common test cases

Author: mightyaleksey

test/cases/non-relative-imports/expected.json

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+import { equal } from 'assert';
+import { extend, mapKeys } from 'lodash';
+import { existsSync, readdirSync, readFileSync } from 'fs';
+import { join } from 'path';
+import FileSystemLoader from 'css-modules-loader-core/lib/file-system-loader';
+import hook from '../src';
+
+const normalize = str => str.replace(/\r\n?/g, '\n');
+const pipelines = {
+  'test-cases': undefined,
+  'cssi': [],
+};
+
+let expectedCSS;
+let expectedTokens;
+
+mapKeys(pipelines, (plugins, dirname) => describe(dirname, () => {
+  const cases = join(__dirname, dirname);
+
+  readdirSync(cases).forEach(testCase => {
+    if (existsSync(join(cases, testCase, 'source.css'))) {
+      describe(`should ${testCase.replace(/-/g, ' ')}`, () => {
+        before(() => {
+          hook({rootDir: cases, use: plugins});
+          expectedCSS = normalize(readFileSync(join(cases, testCase, 'expected.css'), 'utf-8'));
+          expectedTokens = JSON.parse(readFileSync(join(cases, testCase, 'expected.json'), 'utf-8'));
+        });
+
+        it('loader-core', done => {
+          const loader = new FileSystemLoader(cases, pipelines[dirname]);
+
+          loader.fetch(`${testCase}/source.css`, '/')
+            .then(tokens => {
+              equal(loader.finalSource, expectedCSS);
+              equal(JSON.stringify(tokens), JSON.stringify(expectedTokens));
+            })
+            .then(done, done);
+        });
+
+        it('require-hook', () => {
+          const tokens = require(join(cases, testCase, 'source.css'));
+          equal(JSON.stringify(tokens), JSON.stringify(expectedTokens));
+        });
+      });
+    }
+
+    if (existsSync(join(cases, testCase, 'source1.css'))) {
+      describe(`should ${testCase.replace(/-/g, ' ')}`, () => {
+        before(() => {
+          hook({rootDir: cases, use: plugins});
+          expectedCSS = normalize(readFileSync(join(cases, testCase, 'expected.css'), 'utf-8'));
+          expectedTokens = JSON.parse(readFileSync(join(cases, testCase, 'expected.json'), 'utf-8'));
+        });
+
+        it('loader-core', done => {
+          const loader = new FileSystemLoader(cases, pipelines[dirname]);
+
+          loader.fetch(`${testCase}/source1.css`, '/').then(tokens1 => {
+            loader.fetch(`${testCase}/source2.css`, '/').then(tokens2 => {
+              equal(loader.finalSource, expectedCSS);
+              const tokens = extend({}, tokens1, tokens2);
+              equal(JSON.stringify(tokens), JSON.stringify(expectedTokens));
+            }).then(done, done);
+          }).catch(done);
+        });
+
+        it('require-hook', () => {
+          const tokens = extend({},
+            require(join(cases, testCase, 'source1.css')),
+            require(join(cases, testCase, 'source2.css')));
+
+          equal(JSON.stringify(tokens), JSON.stringify(expectedTokens));
+        });
+      });
+    }
+  });
+}));

test/cases/non-relative-imports/source.css

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+._compose_node_module_awesome_theme_oceanic__color
+{
+  background: #1e2a35;
+}
+._compose_node_module_source__foo {
+}

test/cases/simple/expected.json

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+{
+  "foo": "_compose_node_module_source__foo _compose_node_module_awesome_theme_oceanic__color"
+}

test/cases/simple/source.css

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+.foo {
+  composes: color from "awesome-theme/oceanic.css";
+}