sdk/lib/_internal/pub_generated/test/transformer/cache_test.dart

library pub_tests;
import 'package:scheduled_test/scheduled_stream.dart';
import 'package:scheduled_test/scheduled_test.dart';
import '../descriptor.dart' as d;
import '../test_pub.dart';
import '../serve/utils.dart';
const REPLACE_FROM_LIBRARY_TRANSFORMER = """
import 'dart:async';

import 'package:barback/barback.dart';
import 'package:bar/bar.dart';

class ReplaceTransformer extends Transformer {
  ReplaceTransformer.asPlugin();

  String get allowedExtensions => '.dart';

  Future apply(Transform transform) {
    return transform.primaryInput.readAsString().then((contents) {
      transform.addOutput(new Asset.fromString(
          transform.primaryInput.id,
          contents.replaceAll("Hello", replacement)));
    });
  }
}
""";
void setUp() {
  servePackages((builder) {
    builder.serveRepoPackage('barback');
    builder.serve("foo", "1.2.3", deps: {
      'barback': 'any'
    },
        contents: [
            d.dir(
                "lib",
                [d.file("transformer.dart", replaceTransformer("Hello", "Goodbye"))])]);
    builder.serve("bar", "1.2.3", deps: {
      'barback': 'any'
    },
        contents: [
            d.dir(
                "lib",
                [d.file("transformer.dart", replaceTransformer("Goodbye", "See ya"))])]);
    builder.serve("baz", "1.2.3");
  });
  d.dir(appPath, [d.pubspec({
      "name": "myapp",
      "dependencies": {
        "foo": "1.2.3",
        "bar": "1.2.3"
      },
      "transformers": ["foo"]
    }),
        d.dir("bin", [d.file("myapp.dart", "main() => print('Hello!');")])]).create();
  pubGet();
}
main() {
  initConfig();
  integration("caches a transformer snapshot", () {
    setUp();
    var process = pubRun(args: ['myapp']);
    process.stdout.expect("Goodbye!");
    process.shouldExit();
    d.dir(
        appPath,
        [
            d.dir(
                ".pub/transformers",
                [
                    d.file("manifest.txt", "0.1.2+3\nfoo"),
                    d.matcherFile("transformers.snapshot", isNot(isEmpty))])]).validate();
    process = pubRun(args: ['myapp']);
    process.stdout.expect("Goodbye!");
    process.shouldExit();
  });
  integration("recaches if the SDK version is out-of-date", () {
    setUp();
    d.dir(
        appPath,
        [
            d.dir(
                ".pub/transformers",
                [
                    d.file("manifest.txt", "0.0.1\nfoo"),
                    d.file("transformers.snapshot", "junk")])]).create();
    var process = pubRun(args: ['myapp']);
    process.stdout.expect("Goodbye!");
    process.shouldExit();
    d.dir(
        appPath,
        [
            d.dir(
                ".pub/transformers",
                [
                    d.file("manifest.txt", "0.1.2+3\nfoo"),
                    d.matcherFile("transformers.snapshot", isNot(isEmpty))])]).validate();
  });
  integration("recaches if the transformers change", () {
    setUp();
    var process = pubRun(args: ['myapp']);
    process.stdout.expect("Goodbye!");
    process.shouldExit();
    d.dir(
        appPath,
        [
            d.dir(
                ".pub/transformers",
                [
                    d.file("manifest.txt", "0.1.2+3\nfoo"),
                    d.matcherFile("transformers.snapshot", isNot(isEmpty))])]).validate();
    d.dir(appPath, [d.pubspec({
        "name": "myapp",
        "dependencies": {
          "foo": "1.2.3",
          "bar": "1.2.3"
        },
        "transformers": ["foo", "bar"]
      }),
          d.dir("bin", [d.file("myapp.dart", "main() => print('Hello!');")])]).create();
    process = pubRun(args: ['myapp']);
    process.stdout.expect("See ya!");
    process.shouldExit();
    d.dir(
        appPath,
        [
            d.dir(
                ".pub/transformers",
                [
                    d.file("manifest.txt", "0.1.2+3\nbar,foo"),
                    d.matcherFile("transformers.snapshot", isNot(isEmpty))])]).validate();
  });
  integration("recaches if the transformer version changes", () {
    setUp();
    var process = pubRun(args: ['myapp']);
    process.stdout.expect("Goodbye!");
    process.shouldExit();
    d.dir(
        appPath,
        [
            d.dir(
                ".pub/transformers",
                [
                    d.file("manifest.txt", "0.1.2+3\nfoo"),
                    d.matcherFile("transformers.snapshot", isNot(isEmpty))])]).validate();
    servePackages((builder) {
      builder.serve("foo", "2.0.0", deps: {
        'barback': 'any'
      },
          contents: [
              d.dir(
                  "lib",
                  [d.file("transformer.dart", replaceTransformer("Hello", "New"))])]);
    });
    d.dir(appPath, [d.pubspec({
        "name": "myapp",
        "dependencies": {
          "foo": "any"
        },
        "transformers": ["foo"]
      })]).create();
    pubUpgrade();
    process = pubRun(args: ['myapp']);
    process.stdout.expect("New!");
    process.shouldExit();
    d.dir(
        appPath,
        [
            d.dir(
                ".pub/transformers",
                [
                    d.file("manifest.txt", "0.1.2+3\nfoo"),
                    d.matcherFile("transformers.snapshot", isNot(isEmpty))])]).validate();
  });
  integration("recaches if a transitive dependency version changes", () {
    servePackages((builder) {
      builder.serveRepoPackage('barback');
      builder.serve("foo", "1.2.3", deps: {
        'barback': 'any',
        'bar': 'any'
      },
          contents: [
              d.dir("lib", [d.file("transformer.dart", REPLACE_FROM_LIBRARY_TRANSFORMER)])]);
      builder.serve(
          "bar",
          "1.2.3",
          contents: [
              d.dir("lib", [d.file("bar.dart", "final replacement = 'Goodbye';")])]);
    });
    d.dir(appPath, [d.pubspec({
        "name": "myapp",
        "dependencies": {
          "foo": "1.2.3"
        },
        "transformers": ["foo"]
      }),
          d.dir("bin", [d.file("myapp.dart", "main() => print('Hello!');")])]).create();
    pubGet();
    var process = pubRun(args: ['myapp']);
    process.stdout.expect("Goodbye!");
    process.shouldExit();
    servePackages((builder) {
      builder.serve(
          "bar",
          "2.0.0",
          contents: [
              d.dir("lib", [d.file("bar.dart", "final replacement = 'See ya';")])]);
    });
    d.dir(appPath, [d.pubspec({
        "name": "myapp",
        "dependencies": {
          "foo": "any"
        },
        "transformers": ["foo"]
      })]).create();
    pubUpgrade();
    process = pubRun(args: ['myapp']);
    process.stdout.expect("See ya!");
    process.shouldExit();
  });
  integration("doesn't recache when a transformer is removed", () {
    setUp();
    d.dir(appPath, [d.pubspec({
        "name": "myapp",
        "dependencies": {
          "foo": "1.2.3",
          "bar": "1.2.3"
        },
        "transformers": ["foo", "bar"]
      }),
          d.dir("bin", [d.file("myapp.dart", "main() => print('Hello!');")])]).create();
    var process = pubRun(args: ['myapp']);
    process.stdout.expect("See ya!");
    process.shouldExit();
    d.dir(appPath, [d.pubspec({
        "name": "myapp",
        "dependencies": {
          "foo": "1.2.3",
          "baz": "1.2.3"
        },
        "transformers": ["foo"]
      }),
          d.dir("bin", [d.file("myapp.dart", "main() => print('Hello!');")])]).create();
    process = pubRun(args: ['myapp']);
    process.stdout.expect(
        "Your pubspec has changed, so we need to update your lockfile:");
    process.stdout.expect(consumeThrough("Goodbye!"));
    process.shouldExit();
    d.dir(
        appPath,
        [
            d.dir(
                ".pub/transformers",
                [
                    d.file("manifest.txt", "0.1.2+3\nbar,foo"),
                    d.matcherFile("transformers.snapshot", isNot(isEmpty))])]).validate();
  });
}
String replaceTransformer(String input, String output) {
  return """
import 'dart:async';

import 'package:barback/barback.dart';

class ReplaceTransformer extends Transformer {
  ReplaceTransformer.asPlugin();

  String get allowedExtensions => '.dart';

  Future apply(Transform transform) {
    return transform.primaryInput.readAsString().then((contents) {
      transform.addOutput(new Asset.fromString(
          transform.primaryInput.id,
          contents.replaceAll("$input", "$output")));
    });
  }
}
""";
}