test: lessOptions relativeUrls (#384)

Author: cap-Bernardito

test/__snapshots__/loader.test.js.snap

@@ -511,6 +511,46 @@ exports[`loader should watch imports correctly: errors 1`] = `Array []`;
 
 exports[`loader should watch imports correctly: warnings 1`] = `Array []`;
 
+exports[`loader should work lessOptions.relativeUrls is false: css 1`] = `
+".top-import {
+  background: red;
+}
+.img4 {
+  background: url(img.jpg);
+}
+.img5 {
+  background: url(some/img.jpg);
+}
+.img6 {
+  background: url(../img.jpg);
+}
+"
+`;
+
+exports[`loader should work lessOptions.relativeUrls is false: errors 1`] = `Array []`;
+
+exports[`loader should work lessOptions.relativeUrls is false: warnings 1`] = `Array []`;
+
+exports[`loader should work lessOptions.relativeUrls is true: css 1`] = `
+".top-import {
+  background: red;
+}
+.img4 {
+  background: url(folder/img.jpg);
+}
+.img5 {
+  background: url(folder/some/img.jpg);
+}
+.img6 {
+  background: url(./img.jpg);
+}
+"
+`;
+
+exports[`loader should work lessOptions.relativeUrls is true: errors 1`] = `Array []`;
+
+exports[`loader should work lessOptions.relativeUrls is true: warnings 1`] = `Array []`;
+
 exports[`loader should work loaderContext in less plugins: css 1`] = `
 ".webpackLoaderContext {
   isDefined: true;

test/fixtures/import-relative.less

@@ -0,0 +1,5 @@
+.top-import {
+  background: red;
+}
+
+@import "folder/url-path.less";

test/loader.test.js

@@ -163,6 +163,48 @@ describe('loader', () => {
     expect(getErrors(stats)).toMatchSnapshot('errors');
   });
 
+  it('should work lessOptions.relativeUrls is true', async () => {
+    const testId = './import-relative.less';
+    const compiler = getCompiler(testId, {
+      lessOptions: {
+        relativeUrls: true,
+      },
+    });
+    const stats = await compile(compiler);
+    const codeFromBundle = getCodeFromBundle(stats, compiler);
+    const codeFromLess = await getCodeFromLess(testId, {
+      lessOptions: {
+        relativeUrls: true,
+      },
+    });
+
+    expect(codeFromBundle.css).toBe(codeFromLess.css);
+    expect(codeFromBundle.css).toMatchSnapshot('css');
+    expect(getWarnings(stats)).toMatchSnapshot('warnings');
+    expect(getErrors(stats)).toMatchSnapshot('errors');
+  });
+
+  it('should work lessOptions.relativeUrls is false', async () => {
+    const testId = './import-relative.less';
+    const compiler = getCompiler(testId, {
+      lessOptions: {
+        relativeUrls: false,
+      },
+    });
+    const stats = await compile(compiler);
+    const codeFromBundle = getCodeFromBundle(stats, compiler);
+    const codeFromLess = await getCodeFromLess(testId, {
+      lessOptions: {
+        relativeUrls: false,
+      },
+    });
+
+    expect(codeFromBundle.css).toBe(codeFromLess.css);
+    expect(codeFromBundle.css).toMatchSnapshot('css');
+    expect(getWarnings(stats)).toMatchSnapshot('warnings');
+    expect(getErrors(stats)).toMatchSnapshot('errors');
+  });
+
   it("should resolve all imports from node_modules using webpack's resolver", async () => {
     const testId = './import-webpack.less';
     const compiler = getCompiler(testId);