Add tests for FlBinaryMessenger, FlBasicMessageChannel, FlMethodChannel (#18597)
* Add mock implementations of the Flutter embedding API and EGL
* Add tests for FlBinaryMessenger, FlBasicMessageChannel, FlMethodChannel
diff --git a/ci/licenses_golden/licenses_flutter b/ci/licenses_golden/licenses_flutter
index ba413f5..9cde267 100755
--- a/ci/licenses_golden/licenses_flutter
+++ b/ci/licenses_golden/licenses_flutter
@@ -1191,10 +1191,12 @@
FILE: ../../../flutter/shell/platform/glfw/text_input_plugin.cc
FILE: ../../../flutter/shell/platform/glfw/text_input_plugin.h
FILE: ../../../flutter/shell/platform/linux/fl_basic_message_channel.cc
+FILE: ../../../flutter/shell/platform/linux/fl_basic_message_channel_test.cc
FILE: ../../../flutter/shell/platform/linux/fl_binary_codec.cc
FILE: ../../../flutter/shell/platform/linux/fl_binary_codec_test.cc
FILE: ../../../flutter/shell/platform/linux/fl_binary_messenger.cc
FILE: ../../../flutter/shell/platform/linux/fl_binary_messenger_private.h
+FILE: ../../../flutter/shell/platform/linux/fl_binary_messenger_test.cc
FILE: ../../../flutter/shell/platform/linux/fl_dart_project.cc
FILE: ../../../flutter/shell/platform/linux/fl_dart_project_test.cc
FILE: ../../../flutter/shell/platform/linux/fl_engine.cc
@@ -1211,6 +1213,7 @@
FILE: ../../../flutter/shell/platform/linux/fl_method_call_private.h
FILE: ../../../flutter/shell/platform/linux/fl_method_channel.cc
FILE: ../../../flutter/shell/platform/linux/fl_method_channel_private.h
+FILE: ../../../flutter/shell/platform/linux/fl_method_channel_test.cc
FILE: ../../../flutter/shell/platform/linux/fl_method_codec.cc
FILE: ../../../flutter/shell/platform/linux/fl_method_codec_private.h
FILE: ../../../flutter/shell/platform/linux/fl_method_codec_test.cc
diff --git a/shell/platform/embedder/BUILD.gn b/shell/platform/embedder/BUILD.gn
index f4b5be5..6093371 100644
--- a/shell/platform/embedder/BUILD.gn
+++ b/shell/platform/embedder/BUILD.gn
@@ -24,7 +24,6 @@
source_set(target_name) {
sources = [
"embedder.cc",
- "embedder.h",
"embedder_engine.cc",
"embedder_engine.h",
"embedder_external_texture_gl.cc",
@@ -75,6 +74,10 @@
"//third_party/skia",
]
+ public_deps = [
+ ":embedder_headers",
+ ]
+
public_configs += [ "//flutter:config" ]
}
}
@@ -87,6 +90,14 @@
public_configs = [ ":embedder_prefix_config" ]
}
+source_set("embedder_headers") {
+ public = [
+ "embedder.h",
+ ]
+
+ public_configs = [ "//flutter:config" ]
+}
+
config("embedder_prefix_config") {
defines = [ "FLUTTER_API_SYMBOL_PREFIX=Embedder" ]
}
diff --git a/shell/platform/linux/BUILD.gn b/shell/platform/linux/BUILD.gn
index 809d5a2..54c550d 100644
--- a/shell/platform/linux/BUILD.gn
+++ b/shell/platform/linux/BUILD.gn
@@ -70,9 +70,11 @@
include_dirs = [ "public" ]
}
-source_set("flutter_linux") {
+source_set("flutter_linux_sources") {
public = _public_headers
+ configs += [ "//flutter/shell/platform/linux/config:gtk" ]
+
sources = [
"fl_basic_message_channel.cc",
"fl_binary_codec.cc",
@@ -99,19 +101,29 @@
"fl_view.cc",
]
+ # Set flag to stop headers being directly included (library users should not do this)
+ defines = [ "FLUTTER_LINUX_COMPILATION" ]
+
+ deps = [
+ "//flutter/shell/platform/embedder:embedder_headers",
+ "//third_party/rapidjson",
+ ]
+}
+
+source_set("flutter_linux") {
configs += [
"//flutter/shell/platform/linux/config:gtk",
"//flutter/shell/platform/linux/config:egl",
"//third_party/khronos:khronos_headers",
]
- # Set flag to stop headers being directly included (library users should not do this)
- defines = [ "FLUTTER_LINUX_COMPILATION" ]
+ public_deps = [
+ ":flutter_linux_sources",
+ ]
deps = [
"//flutter/shell/platform/common/cpp:common_cpp_input",
"//flutter/shell/platform/embedder:embedder_with_symbol_prefix",
- "//third_party/rapidjson",
]
}
@@ -123,11 +135,14 @@
testonly = true
sources = [
+ "fl_basic_message_channel_test.cc",
"fl_binary_codec_test.cc",
+ "fl_binary_messenger_test.cc",
"fl_dart_project_test.cc",
"fl_json_message_codec_test.cc",
"fl_json_method_codec_test.cc",
"fl_message_codec_test.cc",
+ "fl_method_channel_test.cc",
"fl_method_codec_test.cc",
"fl_method_response_test.cc",
"fl_standard_message_codec_test.cc",
@@ -135,6 +150,9 @@
"fl_string_codec_test.cc",
"fl_value_test.cc",
"testing/fl_test.cc",
+ "testing/mock_egl.cc",
+ "testing/mock_engine.cc",
+ "testing/mock_renderer.cc",
]
public_configs = [ "//flutter:config" ]
@@ -145,8 +163,10 @@
defines = [ "FLUTTER_LINUX_COMPILATION" ]
deps = [
- ":flutter_linux",
":flutter_linux_fixtures",
+ ":flutter_linux_sources",
+ "//flutter/runtime:libdart",
+ "//flutter/shell/platform/embedder:embedder_headers",
"//flutter/testing",
]
}
diff --git a/shell/platform/linux/fl_basic_message_channel_test.cc b/shell/platform/linux/fl_basic_message_channel_test.cc
new file mode 100644
index 0000000..002ea0e
--- /dev/null
+++ b/shell/platform/linux/fl_basic_message_channel_test.cc
@@ -0,0 +1,152 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Included first as it collides with the X11 headers.
+#include "gtest/gtest.h"
+
+#include "flutter/shell/platform/linux/fl_binary_messenger_private.h"
+#include "flutter/shell/platform/linux/fl_engine_private.h"
+#include "flutter/shell/platform/linux/public/flutter_linux/fl_basic_message_channel.h"
+#include "flutter/shell/platform/linux/public/flutter_linux/fl_standard_message_codec.h"
+#include "flutter/shell/platform/linux/testing/mock_renderer.h"
+
+// Creates a mock engine that responds to platform messages.
+static FlEngine* make_mock_engine() {
+ g_autoptr(FlDartProject) project = fl_dart_project_new("data");
+ g_autoptr(FlMockRenderer) renderer = fl_mock_renderer_new();
+ g_autoptr(FlEngine) engine = fl_engine_new(project, FL_RENDERER(renderer));
+ g_autoptr(GError) error = nullptr;
+ EXPECT_TRUE(fl_engine_start(engine, &error));
+ EXPECT_EQ(error, nullptr);
+
+ return static_cast<FlEngine*>(g_object_ref(engine));
+}
+
+// Called when the message response is received in the SendMessage test.
+static void echo_response_cb(GObject* object,
+ GAsyncResult* result,
+ gpointer user_data) {
+ g_autoptr(GError) error = nullptr;
+ g_autoptr(FlValue) message = fl_basic_message_channel_send_finish(
+ FL_BASIC_MESSAGE_CHANNEL(object), result, &error);
+ EXPECT_NE(message, nullptr);
+ EXPECT_EQ(error, nullptr);
+
+ EXPECT_EQ(fl_value_get_type(message), FL_VALUE_TYPE_STRING);
+ EXPECT_STREQ(fl_value_get_string(message), "Hello World!");
+
+ g_main_loop_quit(static_cast<GMainLoop*>(user_data));
+}
+
+// Checks sending a message works.
+TEST(FlBasicMessageChannelTest, SendMessage) {
+ g_autoptr(GMainLoop) loop = g_main_loop_new(nullptr, 0);
+
+ g_autoptr(FlEngine) engine = make_mock_engine();
+ FlBinaryMessenger* messenger = fl_binary_messenger_new(engine);
+ g_autoptr(FlStandardMessageCodec) codec = fl_standard_message_codec_new();
+ g_autoptr(FlBasicMessageChannel) channel = fl_basic_message_channel_new(
+ messenger, "test/echo", FL_MESSAGE_CODEC(codec));
+ g_autoptr(FlValue) message = fl_value_new_string("Hello World!");
+ fl_basic_message_channel_send(channel, message, nullptr, echo_response_cb,
+ loop);
+
+ // Blocks here until echo_response_cb is called.
+ g_main_loop_run(loop);
+}
+
+// Called when the message response is received in the SendFailure test.
+static void failure_response_cb(GObject* object,
+ GAsyncResult* result,
+ gpointer user_data) {
+ g_autoptr(GError) error = nullptr;
+ g_autoptr(FlValue) message = fl_basic_message_channel_send_finish(
+ FL_BASIC_MESSAGE_CHANNEL(object), result, &error);
+ EXPECT_EQ(message, nullptr);
+ EXPECT_NE(error, nullptr);
+
+ g_main_loop_quit(static_cast<GMainLoop*>(user_data));
+}
+
+// Checks the engine reporting a send failure is handled.
+TEST(FlBasicMessageChannelTest, SendFailure) {
+ g_autoptr(GMainLoop) loop = g_main_loop_new(nullptr, 0);
+
+ g_autoptr(FlEngine) engine = make_mock_engine();
+ FlBinaryMessenger* messenger = fl_binary_messenger_new(engine);
+ g_autoptr(FlStandardMessageCodec) codec = fl_standard_message_codec_new();
+ g_autoptr(FlBasicMessageChannel) channel = fl_basic_message_channel_new(
+ messenger, "test/failure", FL_MESSAGE_CODEC(codec));
+ g_autoptr(FlValue) message = fl_value_new_string("Hello World!");
+ fl_basic_message_channel_send(channel, message, nullptr, failure_response_cb,
+ loop);
+
+ // Blocks here until failure_response_cb is called.
+ g_main_loop_run(loop);
+}
+
+// Called when a message is received from the engine in the ReceiveMessage test.
+static void message_cb(FlBasicMessageChannel* channel,
+ FlValue* message,
+ FlBasicMessageChannelResponseHandle* response_handle,
+ gpointer user_data) {
+ EXPECT_NE(message, nullptr);
+ EXPECT_EQ(fl_value_get_type(message), FL_VALUE_TYPE_STRING);
+ EXPECT_STREQ(fl_value_get_string(message), "Marco!");
+
+ g_autoptr(GError) error = nullptr;
+ g_autoptr(FlValue) response = fl_value_new_string("Polo!");
+ EXPECT_TRUE(fl_basic_message_channel_respond(channel, response_handle,
+ response, &error));
+ EXPECT_EQ(error, nullptr);
+}
+
+// Called when a the test engine notifies us what response we sent in the
+// ReceiveMessage test.
+static void response_cb(FlBasicMessageChannel* channel,
+ FlValue* message,
+ FlBasicMessageChannelResponseHandle* response_handle,
+ gpointer user_data) {
+ EXPECT_NE(message, nullptr);
+ EXPECT_EQ(fl_value_get_type(message), FL_VALUE_TYPE_STRING);
+ EXPECT_STREQ(fl_value_get_string(message), "Polo!");
+
+ fl_basic_message_channel_respond(channel, response_handle, nullptr, nullptr);
+
+ g_main_loop_quit(static_cast<GMainLoop*>(user_data));
+}
+
+// Checks the shell able to receive and respond to messages from the engine.
+TEST(FlBasicMessageChannelTest, ReceiveMessage) {
+ g_autoptr(GMainLoop) loop = g_main_loop_new(nullptr, 0);
+
+ g_autoptr(FlEngine) engine = make_mock_engine();
+ FlBinaryMessenger* messenger = fl_binary_messenger_new(engine);
+
+ // Listen for messages from the engine.
+ g_autoptr(FlStandardMessageCodec) codec = fl_standard_message_codec_new();
+ g_autoptr(FlBasicMessageChannel) messages_channel =
+ fl_basic_message_channel_new(messenger, "test/messages",
+ FL_MESSAGE_CODEC(codec));
+ fl_basic_message_channel_set_message_handler(messages_channel, message_cb,
+ nullptr, nullptr);
+
+ // Listen for response from the engine.
+ g_autoptr(FlBasicMessageChannel) responses_channel =
+ fl_basic_message_channel_new(messenger, "test/responses",
+ FL_MESSAGE_CODEC(codec));
+ fl_basic_message_channel_set_message_handler(responses_channel, response_cb,
+ loop, nullptr);
+
+ // Triggger the engine to send a message.
+ g_autoptr(FlBasicMessageChannel) control_channel =
+ fl_basic_message_channel_new(messenger, "test/send-message",
+ FL_MESSAGE_CODEC(codec));
+ g_autoptr(FlValue) message = fl_value_new_string("Marco!");
+ fl_basic_message_channel_send(control_channel, message, nullptr, nullptr,
+ nullptr);
+
+ // Blocks here until response_cb is called.
+ g_main_loop_run(loop);
+}
diff --git a/shell/platform/linux/fl_binary_messenger_test.cc b/shell/platform/linux/fl_binary_messenger_test.cc
new file mode 100644
index 0000000..edbd136
--- /dev/null
+++ b/shell/platform/linux/fl_binary_messenger_test.cc
@@ -0,0 +1,195 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Included first as it collides with the X11 headers.
+#include "gtest/gtest.h"
+
+#include "flutter/shell/platform/linux/fl_binary_messenger_private.h"
+#include "flutter/shell/platform/linux/fl_engine_private.h"
+#include "flutter/shell/platform/linux/public/flutter_linux/fl_binary_messenger.h"
+#include "flutter/shell/platform/linux/testing/mock_renderer.h"
+
+// Creates a mock engine that responds to platform messages.
+static FlEngine* make_mock_engine() {
+ g_autoptr(FlDartProject) project = fl_dart_project_new("data");
+ g_autoptr(FlMockRenderer) renderer = fl_mock_renderer_new();
+ g_autoptr(FlEngine) engine = fl_engine_new(project, FL_RENDERER(renderer));
+ g_autoptr(GError) error = nullptr;
+ EXPECT_TRUE(fl_engine_start(engine, &error));
+ EXPECT_EQ(error, nullptr);
+
+ return static_cast<FlEngine*>(g_object_ref(engine));
+}
+
+// Checks sending nullptr for a message works.
+TEST(FlBinaryMessengerTest, SendNullptrMessage) {
+ g_autoptr(FlEngine) engine = make_mock_engine();
+ FlBinaryMessenger* messenger = fl_binary_messenger_new(engine);
+ fl_binary_messenger_send_on_channel(messenger, "test/echo", nullptr, nullptr,
+ nullptr, nullptr);
+}
+
+// Checks sending a zero length message works.
+TEST(FlBinaryMessengerTest, SendEmptyMessage) {
+ g_autoptr(FlEngine) engine = make_mock_engine();
+ FlBinaryMessenger* messenger = fl_binary_messenger_new(engine);
+ g_autoptr(GBytes) message = g_bytes_new(nullptr, 0);
+ fl_binary_messenger_send_on_channel(messenger, "test/echo", message, nullptr,
+ nullptr, nullptr);
+}
+
+// Called when the message response is received in the SendMessage test.
+static void echo_response_cb(GObject* object,
+ GAsyncResult* result,
+ gpointer user_data) {
+ g_autoptr(GError) error = nullptr;
+ g_autoptr(GBytes) message = fl_binary_messenger_send_on_channel_finish(
+ FL_BINARY_MESSENGER(object), result, &error);
+ EXPECT_NE(message, nullptr);
+ EXPECT_EQ(error, nullptr);
+
+ g_autofree gchar* text =
+ g_strndup(static_cast<const gchar*>(g_bytes_get_data(message, nullptr)),
+ g_bytes_get_size(message));
+ EXPECT_STREQ(text, "Hello World!");
+
+ g_main_loop_quit(static_cast<GMainLoop*>(user_data));
+}
+
+// Checks sending a message works.
+TEST(FlBinaryMessengerTest, SendMessage) {
+ g_autoptr(GMainLoop) loop = g_main_loop_new(nullptr, 0);
+
+ g_autoptr(FlEngine) engine = make_mock_engine();
+ FlBinaryMessenger* messenger = fl_binary_messenger_new(engine);
+ const char* text = "Hello World!";
+ g_autoptr(GBytes) message = g_bytes_new(text, strlen(text));
+ fl_binary_messenger_send_on_channel(messenger, "test/echo", message, nullptr,
+ echo_response_cb, loop);
+
+ // Blocks here until echo_response_cb is called.
+ g_main_loop_run(loop);
+}
+
+// Called when the message response is received in the NullptrResponse test.
+static void nullptr_response_cb(GObject* object,
+ GAsyncResult* result,
+ gpointer user_data) {
+ g_autoptr(GError) error = nullptr;
+ g_autoptr(GBytes) message = fl_binary_messenger_send_on_channel_finish(
+ FL_BINARY_MESSENGER(object), result, &error);
+ EXPECT_NE(message, nullptr);
+ EXPECT_EQ(error, nullptr);
+
+ EXPECT_EQ(g_bytes_get_size(message), static_cast<gsize>(0));
+
+ g_main_loop_quit(static_cast<GMainLoop*>(user_data));
+}
+
+// Checks the engine returning a nullptr message work.
+TEST(FlBinaryMessengerTest, NullptrResponse) {
+ g_autoptr(GMainLoop) loop = g_main_loop_new(nullptr, 0);
+
+ g_autoptr(FlEngine) engine = make_mock_engine();
+ FlBinaryMessenger* messenger = fl_binary_messenger_new(engine);
+ const char* text = "Hello World!";
+ g_autoptr(GBytes) message = g_bytes_new(text, strlen(text));
+ fl_binary_messenger_send_on_channel(messenger, "test/nullptr-response",
+ message, nullptr, nullptr_response_cb,
+ loop);
+
+ // Blocks here until nullptr_response_cb is called.
+ g_main_loop_run(loop);
+}
+
+// Called when the message response is received in the SendFailure test.
+static void failure_response_cb(GObject* object,
+ GAsyncResult* result,
+ gpointer user_data) {
+ g_autoptr(GError) error = nullptr;
+ g_autoptr(GBytes) message = fl_binary_messenger_send_on_channel_finish(
+ FL_BINARY_MESSENGER(object), result, &error);
+ EXPECT_EQ(message, nullptr);
+ EXPECT_NE(error, nullptr);
+
+ g_main_loop_quit(static_cast<GMainLoop*>(user_data));
+}
+
+// Checks the engine reporting a send failure is handled.
+TEST(FlBinaryMessengerTest, SendFailure) {
+ g_autoptr(GMainLoop) loop = g_main_loop_new(nullptr, 0);
+
+ g_autoptr(FlEngine) engine = make_mock_engine();
+ FlBinaryMessenger* messenger = fl_binary_messenger_new(engine);
+ fl_binary_messenger_send_on_channel(messenger, "test/failure", nullptr,
+ nullptr, failure_response_cb, loop);
+
+ // Blocks here until failure_response_cb is called.
+ g_main_loop_run(loop);
+}
+
+// Called when a message is received from the engine in the ReceiveMessage test.
+static void message_cb(FlBinaryMessenger* messenger,
+ const gchar* channel,
+ GBytes* message,
+ FlBinaryMessengerResponseHandle* response_handle,
+ gpointer user_data) {
+ EXPECT_NE(message, nullptr);
+ g_autofree gchar* text =
+ g_strndup(static_cast<const gchar*>(g_bytes_get_data(message, nullptr)),
+ g_bytes_get_size(message));
+ EXPECT_STREQ(text, "Marco!");
+
+ const char* response_text = "Polo!";
+ g_autoptr(GBytes) response =
+ g_bytes_new(response_text, strlen(response_text));
+ g_autoptr(GError) error = nullptr;
+ EXPECT_TRUE(fl_binary_messenger_send_response(messenger, response_handle,
+ response, &error));
+ EXPECT_EQ(error, nullptr);
+}
+
+// Called when a the test engine notifies us what response we sent in the
+// ReceiveMessage test.
+static void response_cb(FlBinaryMessenger* messenger,
+ const gchar* channel,
+ GBytes* message,
+ FlBinaryMessengerResponseHandle* response_handle,
+ gpointer user_data) {
+ EXPECT_NE(message, nullptr);
+ g_autofree gchar* text =
+ g_strndup(static_cast<const gchar*>(g_bytes_get_data(message, nullptr)),
+ g_bytes_get_size(message));
+ EXPECT_STREQ(text, "Polo!");
+
+ fl_binary_messenger_send_response(messenger, response_handle, nullptr,
+ nullptr);
+
+ g_main_loop_quit(static_cast<GMainLoop*>(user_data));
+}
+
+// Checks the shell able to receive and respond to messages from the engine.
+TEST(FlBinaryMessengerTest, ReceiveMessage) {
+ g_autoptr(GMainLoop) loop = g_main_loop_new(nullptr, 0);
+
+ g_autoptr(FlEngine) engine = make_mock_engine();
+ FlBinaryMessenger* messenger = fl_binary_messenger_new(engine);
+
+ // Listen for messages from the engine.
+ fl_binary_messenger_set_message_handler_on_channel(
+ messenger, "test/messages", message_cb, nullptr, nullptr);
+
+ // Listen for response from the engine.
+ fl_binary_messenger_set_message_handler_on_channel(
+ messenger, "test/responses", response_cb, loop, nullptr);
+
+ // Triggger the engine to send a message.
+ const char* text = "Marco!";
+ g_autoptr(GBytes) message = g_bytes_new(text, strlen(text));
+ fl_binary_messenger_send_on_channel(messenger, "test/send-message", message,
+ nullptr, nullptr, nullptr);
+
+ // Blocks here until response_cb is called.
+ g_main_loop_run(loop);
+}
diff --git a/shell/platform/linux/fl_method_channel_test.cc b/shell/platform/linux/fl_method_channel_test.cc
new file mode 100644
index 0000000..2a5ab6a
--- /dev/null
+++ b/shell/platform/linux/fl_method_channel_test.cc
@@ -0,0 +1,434 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Included first as it collides with the X11 headers.
+#include "gtest/gtest.h"
+
+#include "flutter/shell/platform/linux/fl_binary_messenger_private.h"
+#include "flutter/shell/platform/linux/fl_engine_private.h"
+#include "flutter/shell/platform/linux/fl_method_codec_private.h"
+#include "flutter/shell/platform/linux/public/flutter_linux/fl_basic_message_channel.h"
+#include "flutter/shell/platform/linux/public/flutter_linux/fl_method_channel.h"
+#include "flutter/shell/platform/linux/public/flutter_linux/fl_standard_method_codec.h"
+#include "flutter/shell/platform/linux/testing/mock_renderer.h"
+
+// Creates a mock engine that responds to platform messages.
+static FlEngine* make_mock_engine() {
+ g_autoptr(FlDartProject) project = fl_dart_project_new("data");
+ g_autoptr(FlMockRenderer) renderer = fl_mock_renderer_new();
+ g_autoptr(FlEngine) engine = fl_engine_new(project, FL_RENDERER(renderer));
+ g_autoptr(GError) error = nullptr;
+ EXPECT_TRUE(fl_engine_start(engine, &error));
+ EXPECT_EQ(error, nullptr);
+
+ return static_cast<FlEngine*>(g_object_ref(engine));
+}
+
+// Called when when the method call response is received in the InvokeMethod
+// test.
+static void method_response_cb(GObject* object,
+ GAsyncResult* result,
+ gpointer user_data) {
+ g_autoptr(GError) error = nullptr;
+ g_autoptr(FlMethodResponse) response = fl_method_channel_invoke_method_finish(
+ FL_METHOD_CHANNEL(object), result, &error);
+ EXPECT_NE(response, nullptr);
+ EXPECT_EQ(error, nullptr);
+
+ FlValue* r = fl_method_response_get_result(response, &error);
+ EXPECT_NE(r, nullptr);
+ EXPECT_EQ(error, nullptr);
+
+ EXPECT_EQ(fl_value_get_type(r), FL_VALUE_TYPE_STRING);
+ EXPECT_STREQ(fl_value_get_string(r), "Hello World!");
+
+ g_main_loop_quit(static_cast<GMainLoop*>(user_data));
+}
+
+// Checks if invoking a method returns a value.
+TEST(FlMethodChannelTest, InvokeMethod) {
+ g_autoptr(GMainLoop) loop = g_main_loop_new(nullptr, 0);
+
+ g_autoptr(FlEngine) engine = make_mock_engine();
+ FlBinaryMessenger* messenger = fl_binary_messenger_new(engine);
+ g_autoptr(FlStandardMethodCodec) codec = fl_standard_method_codec_new();
+ g_autoptr(FlMethodChannel) channel = fl_method_channel_new(
+ messenger, "test/standard-method", FL_METHOD_CODEC(codec));
+
+ g_autoptr(FlValue) args = fl_value_new_string("Hello World!");
+ fl_method_channel_invoke_method(channel, "Echo", args, nullptr,
+ method_response_cb, loop);
+
+ // Blocks here until method_response_cb is called.
+ g_main_loop_run(loop);
+}
+
+// Called when when the method call response is received in the
+// InvokeMethodNullptrArgsMessage test.
+static void nullptr_args_response_cb(GObject* object,
+ GAsyncResult* result,
+ gpointer user_data) {
+ g_autoptr(GError) error = nullptr;
+ g_autoptr(FlMethodResponse) response = fl_method_channel_invoke_method_finish(
+ FL_METHOD_CHANNEL(object), result, &error);
+ EXPECT_NE(response, nullptr);
+ EXPECT_EQ(error, nullptr);
+
+ FlValue* r = fl_method_response_get_result(response, &error);
+ EXPECT_NE(r, nullptr);
+ EXPECT_EQ(error, nullptr);
+ EXPECT_EQ(fl_value_get_type(r), FL_VALUE_TYPE_NULL);
+
+ g_main_loop_quit(static_cast<GMainLoop*>(user_data));
+}
+
+// Checks if a method can be invoked with nullptr for arguments.
+TEST(FlMethodChannelTest, InvokeMethodNullptrArgsMessage) {
+ g_autoptr(GMainLoop) loop = g_main_loop_new(nullptr, 0);
+
+ g_autoptr(FlEngine) engine = make_mock_engine();
+ FlBinaryMessenger* messenger = fl_binary_messenger_new(engine);
+ g_autoptr(FlStandardMethodCodec) codec = fl_standard_method_codec_new();
+ g_autoptr(FlMethodChannel) channel = fl_method_channel_new(
+ messenger, "test/standard-method", FL_METHOD_CODEC(codec));
+
+ fl_method_channel_invoke_method(channel, "Echo", nullptr, nullptr,
+ nullptr_args_response_cb, loop);
+
+ // Blocks here until nullptr_args_response_cb is called.
+ g_main_loop_run(loop);
+}
+
+// Called when when the method call response is received in the
+// InvokeMethodError test.
+static void error_response_cb(GObject* object,
+ GAsyncResult* result,
+ gpointer user_data) {
+ g_autoptr(GError) error = nullptr;
+ g_autoptr(FlMethodResponse) response = fl_method_channel_invoke_method_finish(
+ FL_METHOD_CHANNEL(object), result, &error);
+ EXPECT_NE(response, nullptr);
+ EXPECT_EQ(error, nullptr);
+
+ EXPECT_TRUE(FL_IS_METHOD_ERROR_RESPONSE(response));
+ EXPECT_STREQ(
+ fl_method_error_response_get_code(FL_METHOD_ERROR_RESPONSE(response)),
+ "CODE");
+ EXPECT_STREQ(
+ fl_method_error_response_get_message(FL_METHOD_ERROR_RESPONSE(response)),
+ "MESSAGE");
+ FlValue* details =
+ fl_method_error_response_get_details(FL_METHOD_ERROR_RESPONSE(response));
+ EXPECT_NE(details, nullptr);
+ EXPECT_EQ(fl_value_get_type(details), FL_VALUE_TYPE_STRING);
+ EXPECT_STREQ(fl_value_get_string(details), "DETAILS");
+
+ g_main_loop_quit(static_cast<GMainLoop*>(user_data));
+}
+
+// Checks if an error response from a method call is handled.
+TEST(FlMethodChannelTest, InvokeMethodError) {
+ g_autoptr(GMainLoop) loop = g_main_loop_new(nullptr, 0);
+
+ g_autoptr(FlEngine) engine = make_mock_engine();
+ FlBinaryMessenger* messenger = fl_binary_messenger_new(engine);
+ g_autoptr(FlStandardMethodCodec) codec = fl_standard_method_codec_new();
+ g_autoptr(FlMethodChannel) channel = fl_method_channel_new(
+ messenger, "test/standard-method", FL_METHOD_CODEC(codec));
+
+ g_autoptr(FlValue) args = fl_value_new_list();
+ fl_value_append_take(args, fl_value_new_string("CODE"));
+ fl_value_append_take(args, fl_value_new_string("MESSAGE"));
+ fl_value_append_take(args, fl_value_new_string("DETAILS"));
+ fl_method_channel_invoke_method(channel, "Error", args, nullptr,
+ error_response_cb, loop);
+
+ // Blocks here until error_response_cb is called.
+ g_main_loop_run(loop);
+}
+
+// Called when when the method call response is received in the
+// InvokeMethodNotImplemented test.
+static void not_implemented_response_cb(GObject* object,
+ GAsyncResult* result,
+ gpointer user_data) {
+ g_autoptr(GError) error = nullptr;
+ g_autoptr(FlMethodResponse) response = fl_method_channel_invoke_method_finish(
+ FL_METHOD_CHANNEL(object), result, &error);
+ EXPECT_NE(response, nullptr);
+ EXPECT_EQ(error, nullptr);
+
+ EXPECT_TRUE(FL_IS_METHOD_NOT_IMPLEMENTED_RESPONSE(response));
+
+ g_main_loop_quit(static_cast<GMainLoop*>(user_data));
+}
+
+// Checks if a not implemeneted response from a method call is handled.
+TEST(FlMethodChannelTest, InvokeMethodNotImplemented) {
+ g_autoptr(GMainLoop) loop = g_main_loop_new(nullptr, 0);
+
+ g_autoptr(FlEngine) engine = make_mock_engine();
+ FlBinaryMessenger* messenger = fl_binary_messenger_new(engine);
+ g_autoptr(FlStandardMethodCodec) codec = fl_standard_method_codec_new();
+ g_autoptr(FlMethodChannel) channel = fl_method_channel_new(
+ messenger, "test/standard-method", FL_METHOD_CODEC(codec));
+
+ fl_method_channel_invoke_method(channel, "NotImplemented", nullptr, nullptr,
+ not_implemented_response_cb, loop);
+
+ // Blocks here until not_implemented_response_cb is called.
+ g_main_loop_run(loop);
+}
+
+// Called when when the method call response is received in the
+// InvokeMethodFailure test.
+static void failure_response_cb(GObject* object,
+ GAsyncResult* result,
+ gpointer user_data) {
+ g_autoptr(GError) error = nullptr;
+ g_autoptr(FlMethodResponse) response = fl_method_channel_invoke_method_finish(
+ FL_METHOD_CHANNEL(object), result, &error);
+ EXPECT_EQ(response, nullptr);
+ EXPECT_NE(error, nullptr);
+
+ g_main_loop_quit(static_cast<GMainLoop*>(user_data));
+}
+
+// Checks if an engine failure calling a method call is handled.
+TEST(FlMethodChannelTest, InvokeMethodFailure) {
+ g_autoptr(GMainLoop) loop = g_main_loop_new(nullptr, 0);
+
+ g_autoptr(FlEngine) engine = make_mock_engine();
+ FlBinaryMessenger* messenger = fl_binary_messenger_new(engine);
+ g_autoptr(FlStandardMethodCodec) codec = fl_standard_method_codec_new();
+ g_autoptr(FlMethodChannel) channel =
+ fl_method_channel_new(messenger, "test/failure", FL_METHOD_CODEC(codec));
+
+ fl_method_channel_invoke_method(channel, "Echo", nullptr, nullptr,
+ failure_response_cb, loop);
+
+ // Blocks here until failure_response_cb is called.
+ g_main_loop_run(loop);
+}
+
+// Called when a method call is received from the engine in the
+// ReceiveMethodCallRespondSuccess test.
+static void method_call_success_cb(FlMethodChannel* channel,
+ FlMethodCall* method_call,
+ gpointer user_data) {
+ EXPECT_STREQ(fl_method_call_get_name(method_call), "Foo");
+ EXPECT_EQ(fl_value_get_type(fl_method_call_get_args(method_call)),
+ FL_VALUE_TYPE_STRING);
+ EXPECT_STREQ(fl_value_get_string(fl_method_call_get_args(method_call)),
+ "Marco!");
+
+ g_autoptr(FlValue) result = fl_value_new_string("Polo!");
+ g_autoptr(GError) error = nullptr;
+ EXPECT_TRUE(fl_method_call_respond_success(method_call, result, &error));
+ EXPECT_EQ(error, nullptr);
+}
+
+// Called when a the test engine notifies us what response we sent in the
+// ReceiveMethodCallRespondSuccess test.
+static void method_call_success_response_cb(
+ FlBinaryMessenger* messenger,
+ const gchar* channel,
+ GBytes* message,
+ FlBinaryMessengerResponseHandle* response_handle,
+ gpointer user_data) {
+ g_autoptr(FlStandardMethodCodec) codec = fl_standard_method_codec_new();
+ g_autoptr(GError) error = nullptr;
+ g_autoptr(FlMethodResponse) response =
+ fl_method_codec_decode_response(FL_METHOD_CODEC(codec), message, &error);
+ EXPECT_NE(response, nullptr);
+ EXPECT_EQ(error, nullptr);
+
+ EXPECT_TRUE(FL_IS_METHOD_SUCCESS_RESPONSE(response));
+ FlValue* result = fl_method_success_response_get_result(
+ FL_METHOD_SUCCESS_RESPONSE(response));
+ EXPECT_EQ(fl_value_get_type(result), FL_VALUE_TYPE_STRING);
+ EXPECT_STREQ(fl_value_get_string(result), "Polo!");
+
+ fl_binary_messenger_send_response(messenger, response_handle, nullptr,
+ nullptr);
+
+ g_main_loop_quit(static_cast<GMainLoop*>(user_data));
+}
+
+// Checks the shell able to receive and respond to method calls from the engine.
+TEST(FlMethodChannelTest, ReceiveMethodCallRespondSuccess) {
+ g_autoptr(GMainLoop) loop = g_main_loop_new(nullptr, 0);
+
+ g_autoptr(FlEngine) engine = make_mock_engine();
+ FlBinaryMessenger* messenger = fl_binary_messenger_new(engine);
+ g_autoptr(FlStandardMethodCodec) codec = fl_standard_method_codec_new();
+ g_autoptr(FlMethodChannel) channel = fl_method_channel_new(
+ messenger, "test/standard-method", FL_METHOD_CODEC(codec));
+ fl_method_channel_set_method_call_handler(channel, method_call_success_cb,
+ nullptr, nullptr);
+
+ // Listen for response from the engine.
+ fl_binary_messenger_set_message_handler_on_channel(
+ messenger, "test/responses", method_call_success_response_cb, loop,
+ nullptr);
+
+ // Trigger the engine to make a method call.
+ g_autoptr(FlValue) args = fl_value_new_list();
+ fl_value_append_take(args, fl_value_new_string("test/standard-method"));
+ fl_value_append_take(args, fl_value_new_string("Foo"));
+ fl_value_append_take(args, fl_value_new_string("Marco!"));
+ fl_method_channel_invoke_method(channel, "InvokeMethod", args, nullptr,
+ nullptr, loop);
+
+ // Blocks here until method_call_success_response_cb is called.
+ g_main_loop_run(loop);
+}
+
+// Called when a method call is received from the engine in the
+// ReceiveMethodCallRespondError test.
+static void method_call_error_cb(FlMethodChannel* channel,
+ FlMethodCall* method_call,
+ gpointer user_data) {
+ EXPECT_STREQ(fl_method_call_get_name(method_call), "Foo");
+ EXPECT_EQ(fl_value_get_type(fl_method_call_get_args(method_call)),
+ FL_VALUE_TYPE_STRING);
+ EXPECT_STREQ(fl_value_get_string(fl_method_call_get_args(method_call)),
+ "Marco!");
+
+ g_autoptr(FlValue) details = fl_value_new_string("DETAILS");
+ g_autoptr(GError) error = nullptr;
+ EXPECT_TRUE(fl_method_call_respond_error(method_call, "CODE", "MESSAGE",
+ details, &error));
+ EXPECT_EQ(error, nullptr);
+}
+
+// Called when a the test engine notifies us what response we sent in the
+// ReceiveMethodCallRespondError test.
+static void method_call_error_response_cb(
+ FlBinaryMessenger* messenger,
+ const gchar* channel,
+ GBytes* message,
+ FlBinaryMessengerResponseHandle* response_handle,
+ gpointer user_data) {
+ g_autoptr(FlStandardMethodCodec) codec = fl_standard_method_codec_new();
+ g_autoptr(GError) error = nullptr;
+ g_autoptr(FlMethodResponse) response =
+ fl_method_codec_decode_response(FL_METHOD_CODEC(codec), message, &error);
+ EXPECT_NE(response, nullptr);
+ EXPECT_EQ(error, nullptr);
+
+ EXPECT_TRUE(FL_IS_METHOD_ERROR_RESPONSE(response));
+ EXPECT_STREQ(
+ fl_method_error_response_get_code(FL_METHOD_ERROR_RESPONSE(response)),
+ "CODE");
+ EXPECT_STREQ(
+ fl_method_error_response_get_message(FL_METHOD_ERROR_RESPONSE(response)),
+ "MESSAGE");
+ FlValue* details =
+ fl_method_error_response_get_details(FL_METHOD_ERROR_RESPONSE(response));
+ EXPECT_EQ(fl_value_get_type(details), FL_VALUE_TYPE_STRING);
+ EXPECT_STREQ(fl_value_get_string(details), "DETAILS");
+
+ fl_binary_messenger_send_response(messenger, response_handle, nullptr,
+ nullptr);
+
+ g_main_loop_quit(static_cast<GMainLoop*>(user_data));
+}
+
+// Checks the shell able to receive and respond to method calls from the engine.
+TEST(FlMethodChannelTest, ReceiveMethodCallRespondError) {
+ g_autoptr(GMainLoop) loop = g_main_loop_new(nullptr, 0);
+
+ g_autoptr(FlEngine) engine = make_mock_engine();
+ FlBinaryMessenger* messenger = fl_binary_messenger_new(engine);
+ g_autoptr(FlStandardMethodCodec) codec = fl_standard_method_codec_new();
+ g_autoptr(FlMethodChannel) channel = fl_method_channel_new(
+ messenger, "test/standard-method", FL_METHOD_CODEC(codec));
+ fl_method_channel_set_method_call_handler(channel, method_call_error_cb,
+ nullptr, nullptr);
+
+ // Listen for response from the engine.
+ fl_binary_messenger_set_message_handler_on_channel(
+ messenger, "test/responses", method_call_error_response_cb, loop,
+ nullptr);
+
+ // Trigger the engine to make a method call.
+ g_autoptr(FlValue) args = fl_value_new_list();
+ fl_value_append_take(args, fl_value_new_string("test/standard-method"));
+ fl_value_append_take(args, fl_value_new_string("Foo"));
+ fl_value_append_take(args, fl_value_new_string("Marco!"));
+ fl_method_channel_invoke_method(channel, "InvokeMethod", args, nullptr,
+ nullptr, loop);
+
+ // Blocks here until method_call_error_response_cb is called.
+ g_main_loop_run(loop);
+}
+
+// Called when a method call is received from the engine in the
+// ReceiveMethodCallRespondNotImplemented test.
+static void method_call_not_implemented_cb(FlMethodChannel* channel,
+ FlMethodCall* method_call,
+ gpointer user_data) {
+ EXPECT_STREQ(fl_method_call_get_name(method_call), "Foo");
+ EXPECT_EQ(fl_value_get_type(fl_method_call_get_args(method_call)),
+ FL_VALUE_TYPE_STRING);
+ EXPECT_STREQ(fl_value_get_string(fl_method_call_get_args(method_call)),
+ "Marco!");
+
+ g_autoptr(GError) error = nullptr;
+ EXPECT_TRUE(fl_method_call_respond_not_implemented(method_call, &error));
+ EXPECT_EQ(error, nullptr);
+}
+
+// Called when a the test engine notifies us what response we sent in the
+// ReceiveMethodCallRespondNotImplemented test.
+static void method_call_not_implemented_response_cb(
+ FlBinaryMessenger* messenger,
+ const gchar* channel,
+ GBytes* message,
+ FlBinaryMessengerResponseHandle* response_handle,
+ gpointer user_data) {
+ g_autoptr(FlStandardMethodCodec) codec = fl_standard_method_codec_new();
+ g_autoptr(GError) error = nullptr;
+ g_autoptr(FlMethodResponse) response =
+ fl_method_codec_decode_response(FL_METHOD_CODEC(codec), message, &error);
+ EXPECT_NE(response, nullptr);
+ EXPECT_EQ(error, nullptr);
+
+ EXPECT_TRUE(FL_IS_METHOD_NOT_IMPLEMENTED_RESPONSE(response));
+
+ fl_binary_messenger_send_response(messenger, response_handle, nullptr,
+ nullptr);
+
+ g_main_loop_quit(static_cast<GMainLoop*>(user_data));
+}
+
+// Checks the shell able to receive and respond to method calls from the engine.
+TEST(FlMethodChannelTest, ReceiveMethodCallRespondNotImplemented) {
+ g_autoptr(GMainLoop) loop = g_main_loop_new(nullptr, 0);
+
+ g_autoptr(FlEngine) engine = make_mock_engine();
+ FlBinaryMessenger* messenger = fl_binary_messenger_new(engine);
+ g_autoptr(FlStandardMethodCodec) codec = fl_standard_method_codec_new();
+ g_autoptr(FlMethodChannel) channel = fl_method_channel_new(
+ messenger, "test/standard-method", FL_METHOD_CODEC(codec));
+ fl_method_channel_set_method_call_handler(
+ channel, method_call_not_implemented_cb, nullptr, nullptr);
+
+ // Listen for response from the engine.
+ fl_binary_messenger_set_message_handler_on_channel(
+ messenger, "test/responses", method_call_not_implemented_response_cb,
+ loop, nullptr);
+
+ // Trigger the engine to make a method call.
+ g_autoptr(FlValue) args = fl_value_new_list();
+ fl_value_append_take(args, fl_value_new_string("test/standard-method"));
+ fl_value_append_take(args, fl_value_new_string("Foo"));
+ fl_value_append_take(args, fl_value_new_string("Marco!"));
+ fl_method_channel_invoke_method(channel, "InvokeMethod", args, nullptr,
+ nullptr, loop);
+
+ // Blocks here until method_call_not_implemented_response_cb is called.
+ g_main_loop_run(loop);
+}
diff --git a/shell/platform/linux/testing/mock_egl.cc b/shell/platform/linux/testing/mock_egl.cc
new file mode 100644
index 0000000..53edb69
--- /dev/null
+++ b/shell/platform/linux/testing/mock_egl.cc
@@ -0,0 +1,65 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include <EGL/egl.h>
+
+EGLBoolean eglBindAPI(EGLenum api) {
+ return EGL_TRUE;
+}
+
+EGLBoolean eglChooseConfig(EGLDisplay dpy,
+ const EGLint* attrib_list,
+ EGLConfig* configs,
+ EGLint config_size,
+ EGLint* num_config) {
+ return EGL_TRUE;
+}
+
+EGLContext eglCreateContext(EGLDisplay dpy,
+ EGLConfig config,
+ EGLContext share_context,
+ const EGLint* attrib_list) {
+ return nullptr;
+}
+
+EGLSurface eglCreateWindowSurface(EGLDisplay dpy,
+ EGLConfig config,
+ EGLNativeWindowType win,
+ const EGLint* attrib_list) {
+ return nullptr;
+}
+
+EGLDisplay eglGetDisplay(EGLNativeDisplayType display_id) {
+ return nullptr;
+}
+
+void (*eglGetProcAddress(const char* procname))(void) {
+ return nullptr;
+}
+
+EGLBoolean eglInitialize(EGLDisplay dpy, EGLint* major, EGLint* minor) {
+ if (major != nullptr)
+ *major = 1;
+ if (minor != nullptr)
+ *major = 5;
+ return EGL_TRUE;
+}
+
+EGLBoolean eglMakeCurrent(EGLDisplay dpy,
+ EGLSurface draw,
+ EGLSurface read,
+ EGLContext ctx) {
+ return EGL_TRUE;
+}
+
+EGLBoolean eglQueryContext(EGLDisplay dpy,
+ EGLContext ctx,
+ EGLint attribute,
+ EGLint* value) {
+ return EGL_TRUE;
+}
+
+EGLBoolean eglSwapBuffers(EGLDisplay dpy, EGLSurface surface) {
+ return EGL_TRUE;
+}
diff --git a/shell/platform/linux/testing/mock_engine.cc b/shell/platform/linux/testing/mock_engine.cc
new file mode 100644
index 0000000..3961cb0
--- /dev/null
+++ b/shell/platform/linux/testing/mock_engine.cc
@@ -0,0 +1,369 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "flutter/shell/platform/embedder/embedder.h"
+#include "flutter/shell/platform/linux/fl_method_codec_private.h"
+#include "flutter/shell/platform/linux/public/flutter_linux/fl_method_response.h"
+#include "flutter/shell/platform/linux/public/flutter_linux/fl_standard_method_codec.h"
+#include "gtest/gtest.h"
+
+#include <string.h>
+
+struct _FlutterEngine {
+ bool running;
+ FlutterPlatformMessageCallback platform_message_callback;
+ FlutterTaskRunnerPostTaskCallback platform_post_task_callback;
+ void* user_data;
+
+ _FlutterEngine(FlutterPlatformMessageCallback platform_message_callback,
+ FlutterTaskRunnerPostTaskCallback platform_post_task_callback,
+ void* user_data)
+ : running(false),
+ platform_message_callback(platform_message_callback),
+ platform_post_task_callback(platform_post_task_callback),
+ user_data(user_data) {}
+};
+
+struct _FlutterPlatformMessageResponseHandle {
+ FlutterDataCallback data_callback;
+ void* user_data;
+ std::string channel;
+ bool released;
+
+ // Constructor for a response handle generated by the engine.
+ _FlutterPlatformMessageResponseHandle(std::string channel)
+ : data_callback(nullptr),
+ user_data(nullptr),
+ channel(channel),
+ released(false) {}
+
+ // Constructor for a response handle generated by the shell.
+ _FlutterPlatformMessageResponseHandle(FlutterDataCallback data_callback,
+ void* user_data)
+ : data_callback(data_callback), user_data(user_data), released(false) {}
+};
+
+struct _FlutterTaskRunner {
+ uint64_t task;
+ std::string channel;
+ const FlutterPlatformMessageResponseHandle* response_handle;
+ uint8_t* message;
+ size_t message_size;
+
+ _FlutterTaskRunner(
+ uint64_t task,
+ const std::string& channel,
+ const FlutterPlatformMessageResponseHandle* response_handle,
+ const uint8_t* message,
+ size_t message_size)
+ : task(task),
+ channel(channel),
+ response_handle(response_handle),
+ message_size(message_size) {
+ this->message = static_cast<uint8_t*>(malloc(message_size));
+ memcpy(this->message, message, message_size);
+ }
+ ~_FlutterTaskRunner() {
+ if (response_handle != nullptr) {
+ EXPECT_TRUE(response_handle->released);
+ delete response_handle;
+ }
+ free(message);
+ }
+};
+
+// Send a response from the engine.
+static void send_response(
+ FLUTTER_API_SYMBOL(FlutterEngine) engine,
+ const std::string& channel,
+ const FlutterPlatformMessageResponseHandle* response_handle,
+ const uint8_t* message,
+ size_t message_size) {
+ if (response_handle == nullptr)
+ return;
+
+ FlutterTask task;
+ task.runner = new _FlutterTaskRunner(1234, channel, response_handle, message,
+ message_size);
+ task.task = task.runner->task;
+ engine->platform_post_task_callback(task, 0, engine->user_data);
+}
+
+// Send a message from the engine.
+static void send_message(FLUTTER_API_SYMBOL(FlutterEngine) engine,
+ const std::string& channel,
+ const uint8_t* message,
+ size_t message_size) {
+ FlutterTask task;
+ task.runner =
+ new _FlutterTaskRunner(1234, channel, nullptr, message, message_size);
+ task.task = task.runner->task;
+ engine->platform_post_task_callback(task, 0, engine->user_data);
+}
+
+static void invoke_method(FLUTTER_API_SYMBOL(FlutterEngine) engine,
+ const std::string& channel,
+ const gchar* name,
+ FlValue* args) {
+ g_autoptr(FlStandardMethodCodec) codec = fl_standard_method_codec_new();
+ g_autoptr(GError) error = nullptr;
+ g_autoptr(GBytes) message = fl_method_codec_encode_method_call(
+ FL_METHOD_CODEC(codec), name, args, &error);
+ EXPECT_NE(message, nullptr);
+ EXPECT_EQ(error, nullptr);
+
+ FlutterTask task;
+ task.runner = new _FlutterTaskRunner(
+ 1234, channel, nullptr,
+ static_cast<const uint8_t*>(g_bytes_get_data(message, nullptr)),
+ g_bytes_get_size(message));
+ task.task = task.runner->task;
+ engine->platform_post_task_callback(task, 0, engine->user_data);
+}
+
+FlutterEngineResult FlutterEngineRun(size_t version,
+ const FlutterRendererConfig* config,
+ const FlutterProjectArgs* args,
+ void* user_data,
+ FLUTTER_API_SYMBOL(FlutterEngine) *
+ engine_out) {
+ EXPECT_NE(config, nullptr);
+ EXPECT_NE(args, nullptr);
+ EXPECT_NE(user_data, nullptr);
+ EXPECT_NE(engine_out, nullptr);
+
+ FlutterEngineResult result =
+ FlutterEngineInitialize(version, config, args, user_data, engine_out);
+ if (result != kSuccess)
+ return result;
+ return FlutterEngineRunInitialized(*engine_out);
+}
+
+FlutterEngineResult FlutterEngineShutdown(FLUTTER_API_SYMBOL(FlutterEngine)
+ engine) {
+ delete engine;
+ return kSuccess;
+}
+
+FlutterEngineResult FlutterEngineInitialize(size_t version,
+ const FlutterRendererConfig* config,
+ const FlutterProjectArgs* args,
+ void* user_data,
+ FLUTTER_API_SYMBOL(FlutterEngine) *
+ engine_out) {
+ EXPECT_NE(config, nullptr);
+
+ EXPECT_NE(args, nullptr);
+ EXPECT_NE(args->platform_message_callback, nullptr);
+ EXPECT_NE(args->custom_task_runners, nullptr);
+ EXPECT_NE(args->custom_task_runners->platform_task_runner, nullptr);
+ EXPECT_NE(args->custom_task_runners->platform_task_runner->post_task_callback,
+ nullptr);
+
+ EXPECT_NE(user_data, nullptr);
+
+ EXPECT_EQ(config->type, kOpenGL);
+
+ *engine_out = new _FlutterEngine(
+ args->platform_message_callback,
+ args->custom_task_runners->platform_task_runner->post_task_callback,
+ user_data);
+ return kSuccess;
+}
+
+FlutterEngineResult FlutterEngineDeinitialize(FLUTTER_API_SYMBOL(FlutterEngine)
+ engine) {
+ return kSuccess;
+}
+
+FlutterEngineResult FlutterEngineRunInitialized(
+ FLUTTER_API_SYMBOL(FlutterEngine) engine) {
+ engine->running = true;
+ return kSuccess;
+}
+
+FlutterEngineResult FlutterEngineSendWindowMetricsEvent(
+ FLUTTER_API_SYMBOL(FlutterEngine) engine,
+ const FlutterWindowMetricsEvent* event) {
+ EXPECT_TRUE(engine->running);
+ return kSuccess;
+}
+
+FlutterEngineResult FlutterEngineSendPointerEvent(
+ FLUTTER_API_SYMBOL(FlutterEngine) engine,
+ const FlutterPointerEvent* events,
+ size_t events_count) {
+ return kSuccess;
+}
+
+FLUTTER_EXPORT
+FlutterEngineResult FlutterEngineSendPlatformMessage(
+ FLUTTER_API_SYMBOL(FlutterEngine) engine,
+ const FlutterPlatformMessage* message) {
+ EXPECT_TRUE(engine->running);
+
+ if (strcmp(message->channel, "test/echo") == 0) {
+ // Responds with the same message received.
+ send_response(engine, message->channel, message->response_handle,
+ message->message, message->message_size);
+ } else if (strcmp(message->channel, "test/send-message") == 0) {
+ // Triggers the engine to send a message.
+ send_response(engine, message->channel, message->response_handle, nullptr,
+ 0);
+ send_message(engine, "test/messages", message->message,
+ message->message_size);
+ } else if (strcmp(message->channel, "test/standard-method") == 0) {
+ g_autoptr(FlStandardMethodCodec) codec = fl_standard_method_codec_new();
+ g_autoptr(GBytes) m = g_bytes_new(message->message, message->message_size);
+ g_autofree gchar* name = nullptr;
+ g_autoptr(FlValue) args = nullptr;
+ g_autoptr(GError) error = nullptr;
+ EXPECT_TRUE(fl_method_codec_decode_method_call(FL_METHOD_CODEC(codec), m,
+ &name, &args, &error));
+ EXPECT_EQ(error, nullptr);
+
+ g_autoptr(GBytes) response = nullptr;
+ if (strcmp(name, "Echo") == 0) {
+ // Returns args as a success result.
+ response = fl_method_codec_encode_success_envelope(FL_METHOD_CODEC(codec),
+ args, &error);
+ EXPECT_EQ(error, nullptr);
+ } else if (strcmp(name, "Error") == 0) {
+ // Returns an error result.
+ const gchar* code = nullptr;
+ const gchar* message = nullptr;
+ FlValue* details = nullptr;
+ if (fl_value_get_length(args) >= 2) {
+ FlValue* code_value = fl_value_get_list_value(args, 0);
+ EXPECT_EQ(fl_value_get_type(code_value), FL_VALUE_TYPE_STRING);
+ code = fl_value_get_string(code_value);
+ FlValue* message_value = fl_value_get_list_value(args, 1);
+ message = fl_value_get_type(message_value) == FL_VALUE_TYPE_STRING
+ ? fl_value_get_string(message_value)
+ : nullptr;
+ }
+ if (fl_value_get_length(args) >= 3)
+ details = fl_value_get_list_value(args, 2);
+ response = fl_method_codec_encode_error_envelope(
+ FL_METHOD_CODEC(codec), code, message, details, &error);
+ EXPECT_EQ(error, nullptr);
+ } else if (strcmp(name, "InvokeMethod") == 0) {
+ // Gets the engine to call the shell.
+ if (fl_value_get_length(args) == 3) {
+ FlValue* channel_value = fl_value_get_list_value(args, 0);
+ EXPECT_EQ(fl_value_get_type(channel_value), FL_VALUE_TYPE_STRING);
+ const gchar* channel = fl_value_get_string(channel_value);
+ FlValue* name_value = fl_value_get_list_value(args, 1);
+ EXPECT_EQ(fl_value_get_type(name_value), FL_VALUE_TYPE_STRING);
+ const gchar* name = fl_value_get_string(name_value);
+ FlValue* method_args = fl_value_get_list_value(args, 2);
+ invoke_method(engine, channel, name, method_args);
+ }
+ response = fl_method_codec_encode_success_envelope(FL_METHOD_CODEC(codec),
+ nullptr, &error);
+ EXPECT_EQ(error, nullptr);
+ } else {
+ // Returns "not implemented".
+ response = g_bytes_new(nullptr, 0);
+ }
+
+ send_response(
+ engine, message->channel, message->response_handle,
+ static_cast<const uint8_t*>(g_bytes_get_data(response, nullptr)),
+ g_bytes_get_size(response));
+ } else if (strcmp(message->channel, "test/nullptr-response") == 0) {
+ // Sends a null response.
+ send_response(engine, message->channel, message->response_handle, nullptr,
+ 0);
+ } else if (strcmp(message->channel, "test/failure") == 0) {
+ // Generates an internal error.
+ return kInternalInconsistency;
+ }
+
+ return kSuccess;
+}
+
+FlutterEngineResult FlutterPlatformMessageCreateResponseHandle(
+ FLUTTER_API_SYMBOL(FlutterEngine) engine,
+ FlutterDataCallback data_callback,
+ void* user_data,
+ FlutterPlatformMessageResponseHandle** response_out) {
+ EXPECT_TRUE(engine->running);
+ EXPECT_NE(data_callback, nullptr);
+ EXPECT_NE(user_data, nullptr);
+
+ _FlutterPlatformMessageResponseHandle* handle =
+ new _FlutterPlatformMessageResponseHandle(data_callback, user_data);
+
+ *response_out = handle;
+ return kSuccess;
+}
+
+FlutterEngineResult FlutterPlatformMessageReleaseResponseHandle(
+ FLUTTER_API_SYMBOL(FlutterEngine) engine,
+ FlutterPlatformMessageResponseHandle* response) {
+ EXPECT_NE(engine, nullptr);
+ EXPECT_NE(response, nullptr);
+
+ EXPECT_TRUE(engine->running);
+
+ EXPECT_FALSE(response->released);
+ response->released = true;
+
+ return kSuccess;
+}
+
+FlutterEngineResult FlutterEngineSendPlatformMessageResponse(
+ FLUTTER_API_SYMBOL(FlutterEngine) engine,
+ const FlutterPlatformMessageResponseHandle* handle,
+ const uint8_t* data,
+ size_t data_length) {
+ EXPECT_NE(engine, nullptr);
+ EXPECT_NE(handle, nullptr);
+
+ EXPECT_TRUE(engine->running);
+
+ // Send a message so the shell can check the responses received.
+ if (handle->channel != "test/responses")
+ send_message(engine, "test/responses", data, data_length);
+
+ EXPECT_FALSE(handle->released);
+
+ delete handle;
+
+ return kSuccess;
+}
+
+FlutterEngineResult FlutterEngineRunTask(FLUTTER_API_SYMBOL(FlutterEngine)
+ engine,
+ const FlutterTask* task) {
+ EXPECT_NE(engine, nullptr);
+ EXPECT_NE(task, nullptr);
+ EXPECT_NE(task->runner, nullptr);
+
+ FlutterTaskRunner runner = task->runner;
+ EXPECT_NE(runner, nullptr);
+ const FlutterPlatformMessageResponseHandle* response_handle =
+ runner->response_handle;
+ if (response_handle != nullptr) {
+ EXPECT_NE(response_handle->data_callback, nullptr);
+ response_handle->data_callback(runner->message, runner->message_size,
+ response_handle->user_data);
+ } else {
+ _FlutterPlatformMessageResponseHandle* handle =
+ new _FlutterPlatformMessageResponseHandle(runner->channel);
+
+ FlutterPlatformMessage message;
+ message.struct_size = sizeof(FlutterPlatformMessage);
+ message.channel = runner->channel.c_str();
+ message.message = runner->message;
+ message.message_size = runner->message_size;
+ message.response_handle = handle;
+ engine->platform_message_callback(&message, engine->user_data);
+ }
+
+ delete runner;
+
+ return kSuccess;
+}
diff --git a/shell/platform/linux/testing/mock_renderer.cc b/shell/platform/linux/testing/mock_renderer.cc
new file mode 100644
index 0000000..03ab548
--- /dev/null
+++ b/shell/platform/linux/testing/mock_renderer.cc
@@ -0,0 +1,27 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "flutter/shell/platform/linux/testing/mock_renderer.h"
+
+struct _FlMockRenderer {
+ FlRenderer parent_instance;
+};
+
+G_DEFINE_TYPE(FlMockRenderer, fl_mock_renderer, fl_renderer_get_type())
+
+// Implements FlRenderer::start
+static gboolean fl_mock_renderer_start(FlRenderer* renderer, GError** error) {
+ return TRUE;
+}
+
+static void fl_mock_renderer_class_init(FlMockRendererClass* klass) {
+ FL_RENDERER_CLASS(klass)->start = fl_mock_renderer_start;
+}
+
+static void fl_mock_renderer_init(FlMockRenderer* self) {}
+
+// Creates a stub renderer
+FlMockRenderer* fl_mock_renderer_new() {
+ return FL_MOCK_RENDERER(g_object_new(fl_mock_renderer_get_type(), nullptr));
+}
diff --git a/shell/platform/linux/testing/mock_renderer.h b/shell/platform/linux/testing/mock_renderer.h
new file mode 100644
index 0000000..1926868
--- /dev/null
+++ b/shell/platform/linux/testing/mock_renderer.h
@@ -0,0 +1,17 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "flutter/shell/platform/linux/fl_renderer.h"
+
+G_BEGIN_DECLS
+
+G_DECLARE_FINAL_TYPE(FlMockRenderer,
+ fl_mock_renderer,
+ FL,
+ MOCK_RENDERER,
+ FlRenderer)
+
+FlMockRenderer* fl_mock_renderer_new();
+
+G_END_DECLS
