refactor: getLocalIdent option tests (#807)

Author: evilebottnawi

test/__snapshots__/getLocalIdent-option.test.js.snap

@@ -0,0 +1,60 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`getLocalIdent option should work (\`modules: false\`): errors 1`] = `Array []`;
+
+exports[`getLocalIdent option should work (\`modules: false\`): locals 1`] = `
+Object {
+  "def": "foo",
+  "ghi": "foo",
+  "jkl": "foo",
+}
+`;
+
+exports[`getLocalIdent option should work (\`modules: false\`): module (evaluated) 1`] = `
+Array [
+  Array [
+    1,
+    ".abc .foo {
+  color: red;
+}
+
+.foo .foo {
+  color: blue;
+}
+",
+    "",
+  ],
+]
+`;
+
+exports[`getLocalIdent option should work (\`modules: false\`): warnings 1`] = `Array []`;
+
+exports[`getLocalIdent option should work (\`modules: true\`): errors 1`] = `Array []`;
+
+exports[`getLocalIdent option should work (\`modules: true\`): locals 1`] = `
+Object {
+  "abc": "foo",
+  "def": "foo",
+  "ghi": "foo",
+  "jkl": "foo",
+}
+`;
+
+exports[`getLocalIdent option should work (\`modules: true\`): module (evaluated) 1`] = `
+Array [
+  Array [
+    1,
+    ".foo .foo {
+  color: red;
+}
+
+.foo .foo {
+  color: blue;
+}
+",
+    "",
+  ],
+]
+`;
+
+exports[`getLocalIdent option should work (\`modules: true\`): warnings 1`] = `Array []`;

test/customGetLocalIdent.test.js

@@ -0,0 +1,7 @@
+.abc :local(.def) {
+  color: red;
+}
+
+:local .ghi .jkl {
+  color: blue;
+}

test/fixtures/modules/getLocalIdent.css

@@ -0,0 +1,49 @@
+const { webpack, evaluated } = require('./helpers');
+
+describe('getLocalIdent option', () => {
+  it('should work (`modules: true`)', async () => {
+    const config = {
+      loader: {
+        options: {
+          modules: true,
+          getLocalIdent() {
+            return 'foo';
+          },
+        },
+      },
+    };
+    const testId = './modules/getLocalIdent.css';
+    const stats = await webpack(testId, config);
+    const { modules } = stats.toJson();
+    const module = modules.find((m) => m.id === testId);
+    const evaluatedModule = evaluated(module.source);
+
+    expect(evaluatedModule).toMatchSnapshot('module (evaluated)');
+    expect(evaluatedModule.locals).toMatchSnapshot('locals');
+    expect(stats.compilation.warnings).toMatchSnapshot('warnings');
+    expect(stats.compilation.errors).toMatchSnapshot('errors');
+  });
+
+  it('should work (`modules: false`)', async () => {
+    const config = {
+      loader: {
+        options: {
+          modules: false,
+          getLocalIdent() {
+            return 'foo';
+          },
+        },
+      },
+    };
+    const testId = './modules/getLocalIdent.css';
+    const stats = await webpack(testId, config);
+    const { modules } = stats.toJson();
+    const module = modules.find((m) => m.id === testId);
+    const evaluatedModule = evaluated(module.source);
+
+    expect(evaluatedModule).toMatchSnapshot('module (evaluated)');
+    expect(evaluatedModule.locals).toMatchSnapshot('locals');
+    expect(stats.compilation.warnings).toMatchSnapshot('warnings');
+    expect(stats.compilation.errors).toMatchSnapshot('errors');
+  });
+});