dart-sass/test/dart_api_test.dart

171 lines
6.4 KiB
Dart

// Copyright 2017 Google Inc. Use of this source code is governed by an
// MIT-style license that can be found in the LICENSE file or at
// https://opensource.org/licenses/MIT.
@TestOn('vm')
import 'package:package_resolver/package_resolver.dart';
import 'package:path/path.dart' as p;
import 'package:test/test.dart';
import 'package:test_descriptor/test_descriptor.dart' as d;
import 'package:sass/sass.dart';
import 'package:sass/src/exception.dart';
main() {
group("importers", () {
test("is used to resolve imports", () async {
await d.dir("subdir", [d.file("subtest.scss", "a {b: c}")]).create();
await d.file("test.scss", '@import "subtest.scss";').create();
var css = compile(d.path("test.scss"),
importers: [new FilesystemImporter(d.path('subdir'))]);
expect(css, equals("a {\n b: c;\n}"));
});
test("are checked in order", () async {
await d
.dir("first", [d.file("other.scss", "a {b: from-first}")]).create();
await d
.dir("second", [d.file("other.scss", "a {b: from-second}")]).create();
await d.file("test.scss", '@import "other";').create();
var css = compile(d.path("test.scss"), importers: [
new FilesystemImporter(d.path('first')),
new FilesystemImporter(d.path('second'))
]);
expect(css, equals("a {\n b: from-first;\n}"));
});
});
group("loadPaths", () {
test("is used to import file: URLs", () async {
await d.dir("subdir", [d.file("subtest.scss", "a {b: c}")]).create();
await d.file("test.scss", '@import "subtest.scss";').create();
var css = compile(d.path("test.scss"), loadPaths: [d.path('subdir')]);
expect(css, equals("a {\n b: c;\n}"));
});
test("can import partials", () async {
await d.dir("subdir", [d.file("_subtest.scss", "a {b: c}")]).create();
await d.file("test.scss", '@import "subtest.scss";').create();
var css = compile(d.path("test.scss"), loadPaths: [d.path('subdir')]);
expect(css, equals("a {\n b: c;\n}"));
});
test("adds a .scss extension", () async {
await d.dir("subdir", [d.file("subtest.scss", "a {b: c}")]).create();
await d.file("test.scss", '@import "subtest";').create();
var css = compile(d.path("test.scss"), loadPaths: [d.path('subdir')]);
expect(css, equals("a {\n b: c;\n}"));
});
test("adds a .sass extension", () async {
await d.dir("subdir", [d.file("subtest.sass", "a\n b: c")]).create();
await d.file("test.scss", '@import "subtest";').create();
var css = compile(d.path("test.scss"), loadPaths: [d.path('subdir')]);
expect(css, equals("a {\n b: c;\n}"));
});
test("are checked in order", () async {
await d
.dir("first", [d.file("other.scss", "a {b: from-first}")]).create();
await d
.dir("second", [d.file("other.scss", "a {b: from-second}")]).create();
await d.file("test.scss", '@import "other";').create();
var css = compile(d.path("test.scss"),
loadPaths: [d.path('first'), d.path('second')]);
expect(css, equals("a {\n b: from-first;\n}"));
});
});
group("packageResolver", () {
test("is used to import package: URLs", () async {
await d.dir("subdir", [d.file("test.scss", "a {b: 1 + 2}")]).create();
await d
.file("test.scss", '@import "package:fake_package/test";')
.create();
var resolver = new SyncPackageResolver.config(
{"fake_package": p.toUri(d.path('subdir'))});
var css = compile(d.path("test.scss"), packageResolver: resolver);
expect(css, equals("a {\n b: 3;\n}"));
});
test("doesn't import a package URL from a missing package", () async {
await d
.file("test.scss", '@import "package:fake_package/test_aux";')
.create();
var resolver = new SyncPackageResolver.config({});
expect(() => compile(d.path("test.scss"), packageResolver: resolver),
throwsA(const TypeMatcher<SassRuntimeException>()));
});
});
group("import precedence", () {
test("relative imports take precedence over importers", () async {
await d.dir(
"subdir", [d.file("other.scss", "a {b: from-load-path}")]).create();
await d.file("other.scss", "a {b: from-relative}").create();
await d.file("test.scss", '@import "other";').create();
var css = compile(d.path("test.scss"),
importers: [new FilesystemImporter(d.path('subdir'))]);
expect(css, equals("a {\n b: from-relative;\n}"));
});
test("the original importer takes precedence over other importers",
() async {
await d.dir(
"original", [d.file("other.scss", "a {b: from-original}")]).create();
await d
.dir("other", [d.file("other.scss", "a {b: from-other}")]).create();
var css = compileString('@import "other";',
importer: new FilesystemImporter(d.path('original')),
url: p.toUri(d.path('original/test.scss')),
importers: [new FilesystemImporter(d.path('other'))]);
expect(css, equals("a {\n b: from-original;\n}"));
});
test("importers take precedence over load paths", () async {
await d.dir("load-path",
[d.file("other.scss", "a {b: from-load-path}")]).create();
await d.dir(
"importer", [d.file("other.scss", "a {b: from-importer}")]).create();
await d.file("test.scss", '@import "other";').create();
var css = compile(d.path("test.scss"),
importers: [new FilesystemImporter(d.path('importer'))],
loadPaths: [d.path('load-path')]);
expect(css, equals("a {\n b: from-importer;\n}"));
});
test("importers take precedence over packageResolver", () async {
await d.dir("package",
[d.file("other.scss", "a {b: from-package-resolver}")]).create();
await d.dir(
"importer", [d.file("other.scss", "a {b: from-importer}")]).create();
await d
.file("test.scss", '@import "package:fake_package/other";')
.create();
var css = compile(d.path("test.scss"),
importers: [
new PackageImporter(new SyncPackageResolver.config(
{"fake_package": p.toUri(d.path('importer'))}))
],
packageResolver: new SyncPackageResolver.config(
{"fake_package": p.toUri(d.path('package'))}));
expect(css, equals("a {\n b: from-importer;\n}"));
});
});
}