// Copyright (c) 2018, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
import 'package:expect/minitest.dart';

import 'package:smith/smith.dart';

void main() {
  group("Configuration", () {
    test("equality", () {
      // Same.
      expect(
          Configuration("name", Architecture.x64, Compiler.dart2js, Mode.debug,
              Runtime.vm, System.linux),
          equals(Configuration("name", Architecture.x64, Compiler.dart2js,
              Mode.debug, Runtime.vm, System.linux)));

      // Mode debug != release.
      expect(
          Configuration("name", Architecture.x64, Compiler.dart2js, Mode.debug,
              Runtime.vm, System.linux),
          notEquals(Configuration("name", Architecture.x64, Compiler.dart2js,
              Mode.release, Runtime.vm, System.linux)));

      // Differ by non-required option.
      expect(
          Configuration("name", Architecture.x64, Compiler.dart2js, Mode.debug,
              Runtime.vm, System.linux, enableAsserts: true),
          notEquals(Configuration("name", Architecture.x64, Compiler.dart2js,
              Mode.debug, Runtime.vm, System.linux,
              enableAsserts: false)));
    });

    group(".expandTemplate()", () {
      test("empty string", () {
        expectExpandError("", {}, 'Template must not be empty.');
      });

      test("missing ')'", () {
        expectExpandError(
            "before-(oops", {}, 'Missing ")" in name template "before-(oops".');
      });

      test("no parentheses", () {
        expect(
            Configuration.expandTemplate("x64-dart2js-debug-vm-linux", {}),
            equals([
              Configuration("x64-dart2js-debug-vm-linux", Architecture.x64,
                  Compiler.dart2js, Mode.debug, Runtime.vm, System.linux)
            ]));
      });

      test("parentheses at beginning", () {
        expect(
            Configuration.expandTemplate(
                "(ia32|x64)-dart2js-debug-vm-linux", {}),
            equals([
              Configuration("ia32-dart2js-debug-vm-linux", Architecture.ia32,
                  Compiler.dart2js, Mode.debug, Runtime.vm, System.linux),
              Configuration("x64-dart2js-debug-vm-linux", Architecture.x64,
                  Compiler.dart2js, Mode.debug, Runtime.vm, System.linux)
            ]));
      });

      test("parentheses at end", () {
        expect(
            Configuration.expandTemplate(
                "x64-dart2js-debug-vm-(linux|mac|win)", {}),
            equals([
              Configuration("x64-dart2js-debug-vm-linux", Architecture.x64,
                  Compiler.dart2js, Mode.debug, Runtime.vm, System.linux),
              Configuration("x64-dart2js-debug-vm-mac", Architecture.x64,
                  Compiler.dart2js, Mode.debug, Runtime.vm, System.mac),
              Configuration("x64-dart2js-debug-vm-win", Architecture.x64,
                  Compiler.dart2js, Mode.debug, Runtime.vm, System.win)
            ]));
      });

      test("expands all parenthesized sections", () {
        expect(
            Configuration.expandTemplate(
                "(ia32|x64)-dart2js-(debug|release)-vm-(linux|mac|win)", {}),
            equals([
              Configuration("ia32-dart2js-debug-vm-linux", Architecture.ia32,
                  Compiler.dart2js, Mode.debug, Runtime.vm, System.linux),
              Configuration("ia32-dart2js-debug-vm-mac", Architecture.ia32,
                  Compiler.dart2js, Mode.debug, Runtime.vm, System.mac),
              Configuration("ia32-dart2js-debug-vm-win", Architecture.ia32,
                  Compiler.dart2js, Mode.debug, Runtime.vm, System.win),
              Configuration("ia32-dart2js-release-vm-linux", Architecture.ia32,
                  Compiler.dart2js, Mode.release, Runtime.vm, System.linux),
              Configuration("ia32-dart2js-release-vm-mac", Architecture.ia32,
                  Compiler.dart2js, Mode.release, Runtime.vm, System.mac),
              Configuration("ia32-dart2js-release-vm-win", Architecture.ia32,
                  Compiler.dart2js, Mode.release, Runtime.vm, System.win),
              Configuration("x64-dart2js-debug-vm-linux", Architecture.x64,
                  Compiler.dart2js, Mode.debug, Runtime.vm, System.linux),
              Configuration("x64-dart2js-debug-vm-mac", Architecture.x64,
                  Compiler.dart2js, Mode.debug, Runtime.vm, System.mac),
              Configuration("x64-dart2js-debug-vm-win", Architecture.x64,
                  Compiler.dart2js, Mode.debug, Runtime.vm, System.win),
              Configuration("x64-dart2js-release-vm-linux", Architecture.x64,
                  Compiler.dart2js, Mode.release, Runtime.vm, System.linux),
              Configuration("x64-dart2js-release-vm-mac", Architecture.x64,
                  Compiler.dart2js, Mode.release, Runtime.vm, System.mac),
              Configuration("x64-dart2js-release-vm-win", Architecture.x64,
                  Compiler.dart2js, Mode.release, Runtime.vm, System.win)
            ]));
      });
      test("empty '()' is treated as empty string", () {
        expect(
            Configuration.expandTemplate("x64-()dart2js-debug-vm-linux", {}),
            equals([
              Configuration("x64-dart2js-debug-vm-linux", Architecture.x64,
                  Compiler.dart2js, Mode.debug, Runtime.vm, System.linux)
            ]));
      });
    });

    group(".parse()", () {
      test("infer required fields from name", () {
        expect(
            Configuration.parse("ia32-dart2js-debug-vm-linux", {}),
            equals(Configuration(
                "ia32-dart2js-debug-vm-linux",
                Architecture.ia32,
                Compiler.dart2js,
                Mode.debug,
                Runtime.vm,
                System.linux)));
      });

      test("read required fields from options", () {
        expect(
            Configuration.parse("something", {
              "architecture": "x64",
              "compiler": "dart2js",
              "mode": "debug",
              "runtime": "vm",
              "system": "linux"
            }),
            equals(Configuration("something", Architecture.x64,
                Compiler.dart2js, Mode.debug, Runtime.vm, System.linux)));
      });

      test("required fields from both name and options", () {
        expect(
            Configuration.parse("dart2js-vm",
                {"architecture": "x64", "mode": "debug", "system": "linux"}),
            equals(Configuration("dart2js-vm", Architecture.x64,
                Compiler.dart2js, Mode.debug, Runtime.vm, System.linux)));
      });

      test("'none' is not treated as compiler or runtime name", () {
        expect(
            Configuration.parse("none-x64-dart2js-debug-vm-linux", {}),
            equals(Configuration(
                "none-x64-dart2js-debug-vm-linux",
                Architecture.x64,
                Compiler.dart2js,
                Mode.debug,
                Runtime.vm,
                System.linux)));
      });

      test("architecture defaults to 'x64'", () {
        expect(Configuration.parse("dart2js-debug-vm-linux", {}).architecture,
            equals(Architecture.x64));
      });

      test("compiler defaults to runtime's default compiler", () {
        expect(Configuration.parse("vm", {}).compiler, equals(Compiler.none));
      });

      test("mode defaults to compiler's default mode", () {
        expect(Configuration.parse("dartkp-vm-linux", {}).mode,
            equals(Mode.debug));

        expect(Configuration.parse("dart2js-vm-linux", {}).mode,
            equals(Mode.release));
      });

      test("runtime defaults to compiler's default runtime", () {
        expect(Configuration.parse("dartdevc", {}).runtime,
            equals(Runtime.chrome));
      });

      test("runtime defaults to compiler's default runtime from option", () {
        expect(Configuration.parse("wat", {"compiler": "dartdevc"}).runtime,
            equals(Runtime.chrome));
      });

      test("system defaults to the host os", () {
        expect(
            Configuration.parse("dart2js-vm", {}).system, equals(System.host));
      });

      test("other options from map", () {
        expect(
            Configuration.parse("dart2js", {
              "builder-tag": "the tag",
              "vm-options": "vm stuff",
              "enable-asserts": true,
              "checked": true,
              "csp": true,
              "host-checked": true,
              "minified": true,
              "preview-dart-2": true,
              "dart2js-with-kernel": true,
              "dart2js-old-frontend": true,
              "fast-startup": true,
              "hot-reload": true,
              "hot-reload-rollback": true,
              "use-sdk": true,
            }),
            equals(Configuration(
              "dart2js",
              Architecture.x64,
              Compiler.dart2js,
              Mode.release,
              Runtime.d8,
              System.host,
              builderTag: "the tag",
              vmOptions: ["vm stuff", "more vm stuff"],
              enableAsserts: true,
              isChecked: true,
              isCsp: true,
              isHostChecked: true,
              isMinified: true,
              previewDart2: true,
              useDart2JSWithKernel: true,
              useDart2JSOldFrontEnd: true,
              useFastStartup: true,
              useHotReload: true,
              useHotReloadRollback: true,
              useSdk: true,
            )));
      });

      test("neither compiler nor runtime specified", () {
        expectParseError(
            "debug",
            {},
            'Must specify at least one of compiler or runtime in options or '
            'configuration name.');
      });

      test("empty string", () {
        expectParseError("", {}, 'Name must not be empty.');
      });

      test("redundant field", () {
        expectParseError("dart2js-debug", {"mode": "debug"},
            'Redundant mode in configuration name "debug" and options.');
      });

      test("duplicate field", () {
        expectParseError(
            "dart2js-debug",
            {"mode": "release"},
            'Found mode "release" in options and "debug" in configuration '
            'name.');
      });

      test("multiple values for same option in name", () {
        expectParseError(
            "dart2js-debug-release",
            {},
            'Found multiple values for mode ("debug" and "release"), in '
            'configuration name.');
      });

      test("null bool option", () {
        expectParseError("dart2js", {"enable-asserts": null},
            'Option "enable-asserts" was null.');
      });

      test("wrong type for bool option", () {
        expectParseError("dart2js", {"enable-asserts": "false"},
            'Option "enable-asserts" had value "false", which is not a bool.');
      });

      test("null string option", () {
        expectParseError(
            "dart2js", {"builder-tag": null}, 'Option "builder-tag" was null.');
      });

      test("wrong type for string option", () {
        expectParseError("dart2js", {"builder-tag": true},
            'Option "builder-tag" had value "true", which is not a string.');
      });

      test("unknown option", () {
        expectParseError("dart2js", {"wat": "???"}, 'Unknown option "wat".');
      });
    });

    group("constructor", () {});

    group("optionsEqual()", () {
      var debugWithAsserts = Configuration(
        "name",
        Architecture.x64,
        Compiler.dart2js,
        Mode.debug,
        Runtime.vm,
        System.linux,
        enableAsserts: true,
      );

      var debugWithAsserts2 = Configuration(
        "different name",
        Architecture.x64,
        Compiler.dart2js,
        Mode.debug,
        Runtime.vm,
        System.linux,
        enableAsserts: true,
      );

      var debugNoAsserts = Configuration(
        "name",
        Architecture.x64,
        Compiler.dart2js,
        Mode.debug,
        Runtime.vm,
        System.linux,
      );

      var releaseNoAsserts = Configuration(
        "name",
        Architecture.x64,
        Compiler.dart2js,
        Mode.release,
        Runtime.vm,
        System.linux,
      );

      test("different options are not equal", () {
        expect(debugWithAsserts.optionsEqual(debugNoAsserts), isFalse);
        expect(debugNoAsserts.optionsEqual(releaseNoAsserts), isFalse);
        expect(releaseNoAsserts.optionsEqual(debugWithAsserts), isFalse);
      });

      test("same options are equal", () {
        expect(debugWithAsserts.optionsEqual(debugWithAsserts2), isTrue);
      });
    });
  });
}

void expectParseError(String name, Map<String, dynamic> options, String error) {
  try {
    var configuration = Configuration.parse(name, options);
    fail("Expected FormatException but got $configuration.");
  } on FormatException catch (ex) {
    expect(ex.message, equals(error));
  }
}

void expectExpandError(
    String template, Map<String, dynamic> options, String error) {
  try {
    var configurations = Configuration.expandTemplate(template, options);
    fail("Expected FormatException but got $configurations.");
  } on FormatException catch (ex) {
    expect(ex.message, equals(error));
  }
}