Revert commits r33138, r33135, and r33134.

pkg/barback/test/package_graph/transform/pass_through_test.dart

-// Copyright (c) 2014, 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.
-
-library barback.test.package_graph.transform.pass_through_test;
-
-import 'package:barback/src/utils.dart';
-import 'package:scheduled_test/scheduled_test.dart';
-
-import '../../utils.dart';
-
-main() {
-  initConfig();
-  test("passes an asset through a phase in which no transforms apply", () {
-    initGraph([
-      "app|foo.in",
-      "app|bar.zip",
-    ], {"app": [
-      [new RewriteTransformer("in", "mid")],
-      [new RewriteTransformer("zip", "zap")],
-      [new RewriteTransformer("mid", "out")],
-    ]});
-
-    updateSources(["app|foo.in", "app|bar.zip"]);
-    expectAsset("app|foo.out", "foo.mid.out");
-    expectAsset("app|bar.zap", "bar.zap");
-    buildShouldSucceed();
-  });
-
-  test("passes an asset through a phase in which a transform uses it", () {
-    initGraph([
-      "app|foo.in",
-    ], {"app": [
-      [new RewriteTransformer("in", "mid")],
-      [new RewriteTransformer("mid", "phase2")],
-      [new RewriteTransformer("mid", "phase3")],
-    ]});
-
-    updateSources(["app|foo.in"]);
-    expectAsset("app|foo.in", "foo");
-    expectAsset("app|foo.mid", "foo.mid");
-    expectAsset("app|foo.phase2", "foo.mid.phase2");
-    expectAsset("app|foo.phase3", "foo.mid.phase3");
-    buildShouldSucceed();
-  });
-
-  // If the asset were to get passed through, it might either cause a collision
-  // or silently supersede the overwriting asset. We want to assert that that
-  // doesn't happen.
-  test("doesn't pass an asset through a phase in which a transform "
-      "overwrites it", () {
-    initGraph([
-      "app|foo.txt"
-    ], {"app": [[new RewriteTransformer("txt", "txt")]]});
-
-    updateSources(["app|foo.txt"]);
-    expectAsset("app|foo.txt", "foo.txt");
-    buildShouldSucceed();
-  });
-
-  test("removes a pass-through asset when the source is removed", () {
-    initGraph([
-      "app|foo.in",
-      "app|bar.zip",
-    ], {"app": [
-      [new RewriteTransformer("zip", "zap")],
-      [new RewriteTransformer("in", "out")],
-    ]});
-
-    updateSources(["app|foo.in", "app|bar.zip"]);
-    expectAsset("app|foo.out", "foo.out");
-    buildShouldSucceed();
-
-    removeSources(["app|foo.in"]);
-    expectNoAsset("app|foo.in");
-    expectNoAsset("app|foo.out");
-    buildShouldSucceed();
-  });
-
-  test("updates a pass-through asset when the source is updated", () {
-    initGraph([
-      "app|foo.in",
-      "app|bar.zip",
-    ], {"app": [
-      [new RewriteTransformer("zip", "zap")],
-      [new RewriteTransformer("in", "out")],
-    ]});
-
-    updateSources(["app|foo.in", "app|bar.zip"]);
-    expectAsset("app|foo.out", "foo.out");
-    buildShouldSucceed();
-
-    modifyAsset("app|foo.in", "boo");
-    updateSources(["app|foo.in"]);
-    expectAsset("app|foo.out", "boo.out");
-    buildShouldSucceed();
-  });
-
-  test("passes an asset through a phase in which transforms have ceased to "
-      "apply", () {
-    initGraph([
-      "app|foo.in",
-    ], {"app": [
-      [new RewriteTransformer("in", "mid")],
-      [new CheckContentTransformer("foo.mid", ".phase2")],
-      [new CheckContentTransformer(new RegExp(r"\.mid$"), ".phase3")],
-    ]});
-
-    updateSources(["app|foo.in"]);
-    expectAsset("app|foo.mid", "foo.mid.phase2");
-    buildShouldSucceed();
-
-    modifyAsset("app|foo.in", "bar");
-    updateSources(["app|foo.in"]);
-    expectAsset("app|foo.mid", "bar.mid.phase3");
-    buildShouldSucceed();
-  });
-
-  test("doesn't pass an asset through a phase in which transforms have "
-      "started to apply", () {
-    initGraph([
-      "app|foo.in",
-    ], {"app": [
-      [new RewriteTransformer("in", "mid")],
-      [new CheckContentTransformer("bar.mid", ".phase2")],
-      [new CheckContentTransformer(new RegExp(r"\.mid$"), ".phase3")],
-    ]});
-
-    updateSources(["app|foo.in"]);
-    expectAsset("app|foo.mid", "foo.mid.phase3");
-    buildShouldSucceed();
-
-    modifyAsset("app|foo.in", "bar");
-    updateSources(["app|foo.in"]);
-    expectAsset("app|foo.mid", "bar.mid.phase2");
-    buildShouldSucceed();
-  });
-
-  test("doesn't pass an asset through if it's removed during isPrimary", () {
-    var check = new CheckContentTransformer("bar", " modified");
-    initGraph(["app|foo.txt"], {"app": [[check]]});
-
-    updateSources(["app|foo.txt"]);
-    expectAsset("app|foo.txt", "foo");
-    buildShouldSucceed();
-
-    check.pauseIsPrimary("app|foo.txt");
-    modifyAsset("app|foo.txt", "bar");
-    updateSources(["app|foo.txt"]);
-    // Ensure we're waiting on [check.isPrimary]
-    schedule(pumpEventQueue);
-
-    removeSources(["app|foo.txt"]);
-    check.resumeIsPrimary("app|foo.txt");
-    expectNoAsset("app|foo.txt");
-    buildShouldSucceed();
-  });
-
-  test("passes an asset through when its overwriting transform becomes "
-      "non-primary during apply", () {
-    var check = new CheckContentTransformer("yes", " modified");
-    initGraph({"app|foo.txt": "yes"}, {"app": [[check]]});
-
-    check.pauseApply();
-    updateSources(["app|foo.txt"]);
-    expectAssetDoesNotComplete("app|foo.txt");
-
-    modifyAsset("app|foo.txt", "no");
-    updateSources(["app|foo.txt"]);
-    check.resumeApply();
-
-    expectAsset("app|foo.txt", "no");
-    buildShouldSucceed();
-  });
-
-  test("doesn't pass an asset through when its overwriting transform becomes "
-      "non-primary during apply if another transform overwrites it", () {
-    var check = new CheckContentTransformer("yes", " modified");
-    initGraph({
-      "app|foo.txt": "yes"
-    }, {
-      "app": [[check, new RewriteTransformer("txt", "txt")]]
-    });
-
-    check.pauseApply();
-    updateSources(["app|foo.txt"]);
-    // Ensure we're waiting on [check.apply]
-    schedule(pumpEventQueue);
-
-    modifyAsset("app|foo.txt", "no");
-    updateSources(["app|foo.txt"]);
-    check.resumeApply();
-
-    expectAsset("app|foo.txt", "no.txt");
-    buildShouldSucceed();
-  });
-
-  test("doesn't pass an asset through when one overwriting transform becomes "
-      "non-primary if another transform still overwrites it", () {
-    initGraph({
-      "app|foo.txt": "yes"
-    }, {
-      "app": [[
-        new CheckContentTransformer("yes", " modified"),
-        new RewriteTransformer("txt", "txt")
-      ]]
-    });
-
-    updateSources(["app|foo.txt"]);
-    // This could be either the output of [CheckContentTransformer] or
-    // [RewriteTransformer], depending which completes first.
-    expectAsset("app|foo.txt", anything);
-    buildShouldFail([isAssetCollisionException("app|foo.txt")]);
-
-    modifyAsset("app|foo.txt", "no");
-    updateSources(["app|foo.txt"]);
-    expectAsset("app|foo.txt", "no.txt");
-    buildShouldSucceed();
-  });
-
-  test("doesn't return a pass-through asset until we know it won't be "
-      "overwritten", () {
-    var rewrite = new RewriteTransformer("txt", "txt");
-    initGraph(["app|foo.a"], {"app": [[rewrite]]});
-
-    rewrite.pauseIsPrimary("app|foo.a");
-    updateSources(["app|foo.a"]);
-    expectAssetDoesNotComplete("app|foo.a");
-
-    rewrite.resumeIsPrimary("app|foo.a");
-    expectAsset("app|foo.a", "foo");
-    buildShouldSucceed();
-  });
-
-  test("doesn't return a pass-through asset until we know it won't be "
-      "overwritten when secondary inputs change", () {
-    var manyToOne = new ManyToOneTransformer("txt");
-    initGraph({
-      "app|foo.txt": "bar.in",
-      "app|bar.in": "bar"
-    }, {"app": [[manyToOne]]});
-
-    updateSources(["app|foo.txt", "app|bar.in"]);
-    expectAsset("app|foo.txt", "bar.in");
-    expectAsset("app|foo.out", "bar");
-
-    manyToOne.pauseApply();
-    updateSources(["app|bar.in"]);
-    expectAssetDoesNotComplete("app|foo.txt");
-
-    manyToOne.resumeApply();
-    expectAsset("app|foo.txt", "bar.in");
-    buildShouldSucceed();
-  });
-
-  test("doesn't return an overwritten asset until we know it will still "
-      "be overwritten", () {
-    var rewrite = new RewriteTransformer("txt", "txt");
-    initGraph(["app|foo.txt"], {"app": [[rewrite]]});
-
-    updateSources(["app|foo.txt"]);
-    expectAsset("app|foo.txt", "foo.txt");
-    buildShouldSucceed();
-
-    rewrite.pauseIsPrimary("app|foo.txt");
-    updateSources(["app|foo.txt"]);
-    expectAssetDoesNotComplete("app|foo.txt");
-
-    rewrite.resumeIsPrimary("app|foo.txt");
-    expectAsset("app|foo.txt", "foo.txt");
-    buildShouldSucceed();
-  });
-}