mirror of
https://github.com/danog/dart-sass.git
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303 lines
9.9 KiB
Dart
303 lines
9.9 KiB
Dart
// Copyright 2016 Google Inc. Use of this source code is governed by an
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// MIT-style license that can be found in the LICENSE file or at
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// https://opensource.org/licenses/MIT.
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import 'dart:async';
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import 'dart:convert';
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import 'package:path/path.dart' as p;
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import 'package:source_maps/source_maps.dart';
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import 'package:test/test.dart';
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import 'package:test_descriptor/test_descriptor.dart' as d;
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import 'package:test_process/test_process.dart';
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import 'package:sass/sass.dart' as sass;
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import 'package:sass/src/io.dart';
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import '../../utils.dart';
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/// Defines test that are shared between the Dart and Node.js CLI test suites.
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void sharedTests(Future<TestProcess> runSass(Iterable<String> arguments)) {
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group("for a simple compilation", () {
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Map<String, Object> map;
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setUp(() async {
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await d.file("test.scss", "a {b: 1 + 2}").create();
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await (await runSass(["test.scss", "out.css"])).shouldExit(0);
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map = _readJson("out.css.map");
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});
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test("refers to the source file", () {
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expect(map, containsPair("sources", ["test.scss"]));
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});
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test("refers to the target file", () {
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expect(map, containsPair("file", "out.css"));
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});
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test("contains mappings", () {
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SingleMapping sourceMap;
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sass.compileString("a {b: 1 + 2}", sourceMap: (map) => sourceMap = map);
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expect(map, containsPair("mappings", sourceMap.toJson()["mappings"]));
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});
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});
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group("with multiple sources", () {
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setUp(() async {
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await d.file("test.scss", """
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@import 'dir/other';
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x {y: z}
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""").create();
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await d.dir("dir", [d.file("other.scss", "a {b: 1 + 2}")]).create();
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});
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test("refers to them using relative URLs by default", () async {
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await (await runSass(["test.scss", "out.css"])).shouldExit(0);
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expect(_readJson("out.css.map"),
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containsPair("sources", ["dir/other.scss", "test.scss"]));
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});
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test("refers to them using relative URLs with --source-map-urls=relative",
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() async {
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await (await runSass(
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["--source-map-urls=relative", "test.scss", "out.css"]))
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.shouldExit(0);
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expect(_readJson("out.css.map"),
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containsPair("sources", ["dir/other.scss", "test.scss"]));
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});
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test("refers to them using absolute URLs with --source-map-urls=absolute",
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() async {
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await (await runSass(
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["--source-map-urls=absolute", "test.scss", "out.css"]))
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.shouldExit(0);
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expect(
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_readJson("out.css.map"),
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containsPair("sources", [
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p.toUri(p.canonicalize(d.path("dir/other.scss"))).toString(),
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p.toUri(p.canonicalize(d.path("test.scss"))).toString()
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]));
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});
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test("includes source contents with --embed-sources", () async {
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await (await runSass(["--embed-sources", "test.scss", "out.css"]))
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.shouldExit(0);
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expect(
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_readJson("out.css.map"),
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containsPair("sourcesContent",
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["a {b: 1 + 2}", readFile(d.path("test.scss"))]));
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});
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});
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test("includes a source map comment", () async {
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await d.file("test.scss", "a {b: c}").create();
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await (await runSass(["test.scss", "out.css"])).shouldExit(0);
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await d
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.file("out.css", endsWith("\n\n/*# sourceMappingURL=out.css.map */\n"))
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.validate();
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});
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group("in another directory", () {
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setUp(() async {
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await d.dir("in", [d.file("test.scss", "x {y: z}")]).create();
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await (await runSass(["in/test.scss", "out/test.css"])).shouldExit(0);
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});
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test("refers to a source", () {
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expect(_readJson("out/test.css.map"),
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containsPair("sources", ["../in/test.scss"]));
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});
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test("includes a source map comment", () async {
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await d
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.file("out/test.css",
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endsWith("\n\n/*# sourceMappingURL=test.css.map */\n"))
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.validate();
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});
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});
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test("with --stdin uses an empty string", () async {
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var sass = await runSass(["--stdin", "out.css"]);
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sass.stdin.writeln("a {b: c}");
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sass.stdin.close();
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await sass.shouldExit(0);
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expect(_readJson("out.css.map"), containsPair("sources", [""]));
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});
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group("with --no-source-map,", () {
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setUp(() async {
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await d.file("test.scss", "a {b: c}").create();
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});
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test("no source map is generated", () async {
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await (await runSass(["--no-source-map", "test.scss", "out.css"]))
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.shouldExit(0);
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await d.file("out.css", isNot(contains("/*#"))).validate();
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await d.nothing("out.css.map").validate();
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});
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test("--source-map-urls is disallowed", () async {
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var sass = await runSass([
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"--no-source-map",
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"--source-map-urls=absolute",
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"test.scss",
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"out.css"
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]);
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expect(sass.stdout,
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emits("--source-map-urls isn't allowed with --no-source-map."));
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expect(
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sass.stdout, emitsThrough(contains("Print this usage information.")));
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await sass.shouldExit(64);
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});
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test("--embed-sources is disallowed", () async {
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var sass = await runSass(
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["--no-source-map", "--embed-sources", "test.scss", "out.css"]);
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expect(sass.stdout,
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emits("--embed-sources isn't allowed with --no-source-map."));
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expect(
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sass.stdout, emitsThrough(contains("Print this usage information.")));
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await sass.shouldExit(64);
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});
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test("--embed-source-map is disallowed", () async {
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var sass = await runSass(
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["--no-source-map", "--embed-source-map", "test.scss", "out.css"]);
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expect(sass.stdout,
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emits("--embed-source-map isn't allowed with --no-source-map."));
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expect(
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sass.stdout, emitsThrough(contains("Print this usage information.")));
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await sass.shouldExit(64);
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});
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});
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group("when emitting to stdout", () {
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test("--source-map isn't allowed", () async {
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await d.file("test.scss", "a {b: c}").create();
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var sass = await runSass(["--source-map", "test.scss"]);
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expect(
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sass.stdout,
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emits("When printing to stdout, --source-map requires "
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"--embed-source-map."));
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expect(
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sass.stdout, emitsThrough(contains("Print this usage information.")));
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await sass.shouldExit(64);
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});
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test("--source-map-urls is disallowed", () async {
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await d.file("test.scss", "a {b: c}").create();
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var sass = await runSass(["--source-map-urls=absolute", "test.scss"]);
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expect(
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sass.stdout,
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emits("When printing to stdout, --source-map-urls requires "
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"--embed-source-map."));
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expect(
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sass.stdout, emitsThrough(contains("Print this usage information.")));
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await sass.shouldExit(64);
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});
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test("--embed-sources is disallowed", () async {
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await d.file("test.scss", "a {b: c}").create();
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var sass = await runSass(["--embed-sources", "test.scss"]);
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expect(
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sass.stdout,
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emits("When printing to stdout, --embed-sources requires "
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"--embed-source-map."));
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expect(
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sass.stdout, emitsThrough(contains("Print this usage information.")));
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await sass.shouldExit(64);
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});
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test(
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"--source-map-urls=relative is disallowed even with "
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"--embed-source-map", () async {
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await d.file("test.scss", "a {b: c}").create();
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var sass = await runSass(
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["--source-map-urls=relative", "--embed-source-map", "test.scss"]);
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expect(
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sass.stdout,
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emits("--source-map-urls=relative isn't allowed when printing to "
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"stdout."));
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expect(
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sass.stdout, emitsThrough(contains("Print this usage information.")));
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await sass.shouldExit(64);
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});
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test("everything is allowed with --embed-source-map", () async {
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await d.file("test.scss", "a {b: c}").create();
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var sass = await runSass([
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"--source-map",
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"--source-map-urls=absolute",
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"--embed-sources",
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"--embed-source-map",
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"test.scss"
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]);
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var css = (await sass.stdout.rest.toList()).join("\n");
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await sass.shouldExit(0);
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var map = embeddedSourceMap(css);
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expect(map, isNotEmpty);
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expect(map, isNot(contains("file")));
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});
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});
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group("with --embed-source-map", () {
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setUp(() async {
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await d.file("test.scss", "a {b: 1 + 2}").create();
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});
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Map<String, Object> map;
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group("with the target in the same directory", () {
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setUp(() async {
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await (await runSass(["--embed-source-map", "test.scss", "out.css"]))
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.shouldExit(0);
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var css = readFile(d.path("out.css"));
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map = embeddedSourceMap(css);
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});
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test("contains mappings in the generated CSS", () {
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SingleMapping sourceMap;
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sass.compileString("a {b: 1 + 2}", sourceMap: (map) => sourceMap = map);
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expect(map, containsPair("mappings", sourceMap.toJson()["mappings"]));
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});
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test("refers to the source file", () {
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expect(map, containsPair("sources", ["test.scss"]));
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});
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test("refers to the target file", () {
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expect(map, containsPair("file", "out.css"));
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});
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test("doesn't generate a source map file", () async {
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await d.nothing("out.css.map").validate();
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});
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});
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group("with the target in a different directory", () {
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setUp(() async {
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await ensureDir(d.path("dir"));
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await (await runSass(
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["--embed-source-map", "test.scss", "dir/out.css"]))
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.shouldExit(0);
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var css = readFile(d.path("dir/out.css"));
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map = embeddedSourceMap(css);
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});
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test("refers to the source file", () {
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expect(map, containsPair("sources", ["../test.scss"]));
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});
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test("refers to the target file", () {
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expect(map, containsPair("file", "out.css"));
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});
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});
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});
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}
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/// Reads the file at [path] within [d.sandbox] and JSON-decodes it.
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Map<String, Object> _readJson(String path) =>
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jsonDecode(readFile(d.path(path))) as Map<String, Object>;
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