True removed support for node-sass in v6.

Relates to:
#856

lib/tasks/test-sass.js

@@ -18,17 +18,18 @@ const trueTest = function(config, task) {
 		const componentBase = path.join(__dirname, '../../');
 		const sassFile = path.join(__dirname, 'index.test.scss');
 		const sassTrue = require('${require.resolve("sass-true")}');
+		const sass = require('${require.resolve("sass")}');
 		const getSassIncludePaths = ${files.getSassIncludePaths.toString()};
-		const sass = '$system-code: "origami-build-tools";' + fs.readFileSync(sassFile);
+		const sassData = '$system-code: "origami-build-tools";' + fs.readFileSync(sassFile);
 		sassTrue.runSass({
-			data: sass,
+			data: sassData,
 			// We use this to silence the sass console output when running "obt test".
 			functions: {},
 			includePaths: [__dirname].concat(getSassIncludePaths(componentBase, ${JSON.stringify(
 		config
 	)}))
 		}, {
-			describe, it
+			describe, it, sass
 		});
 	`
 	)

package.json

@@ -80,6 +80,7 @@
 		"node-version": "^2.0.0",
 		"npm-prepublish": "^1.2.3",
 		"rimraf": "^3.0.2",
+		"sass": "^1.26.10",
 		"unique-temp-dir": "^1.0.0"
 	},
 	"repository": {

test/integration/test/fixtures/with-bower-dependency-installed/test/scss/_mixins.test.scss

@@ -0,0 +1,14 @@
+@include test-module('oTestComponentHelloWorld') {
+	@include test('Can be included') {
+		@include assert {
+			@include output($selector: false) {
+				@include oTestComponentHelloWorld();
+			}
+			@include expect($selector: false) {
+				body:after {
+					content: 'Hello world!';
+				}
+			}
+		}
+	}
+}

test/integration/test/fixtures/with-bower-dependency-installed/test/scss/index.test.scss

@@ -0,0 +1,5 @@
+@import 'true';
+
+@import '../../main';
+
+@import 'mixins.test';

test/integration/test/fixtures/with-npm-dependency-installed/test/scss/_mixins.test.scss

@@ -0,0 +1,14 @@
+@include test-module('oTestComponentHelloWorld') {
+	@include test('Can be included') {
+		@include assert {
+			@include output($selector: false) {
+				@include oTestComponentHelloWorld();
+			}
+			@include expect($selector: false) {
+				body:after {
+					content: 'Hello world!';
+				}
+			}
+		}
+	}
+}

test/integration/test/fixtures/with-npm-dependency-installed/test/scss/index.test.scss

@@ -0,0 +1,5 @@
+@import 'true';
+
+@import '../../main';
+
+@import 'mixins.test';