update test cases

- test cases can provide custom.js with override options
- added custom-ext test case for the filePattern option

Author: joshwnj

tests/cases/compose-local-node-module/custom.js

@@ -0,0 +1,3 @@
+module.exports = {
+  global: true
+}

tests/cases/compose-node-module/custom.js

@@ -0,0 +1,3 @@
+module.exports = {
+  global: true
+}

tests/cases/custom-ext/custom.js

@@ -0,0 +1,3 @@
+module.exports = {
+  filePattern: /\.cssmodule$/
+}

tests/cases/custom-ext/expected.css

@@ -0,0 +1,3 @@
+._styles__foo {
+  color: #F00;
+}

tests/cases/custom-ext/main.js

@@ -0,0 +1,3 @@
+// test using a custom `filePattern` option
+var styles = require('./styles.cssmodule');
+module.exports = styles;

tests/cases/custom-ext/styles.cssmodule

@@ -0,0 +1,3 @@
+.foo {
+  color: #F00;
+}

tests/cases/import-node-module/custom.js

@@ -0,0 +1,3 @@
+module.exports = {
+  global: true
+}

tests/index.js

@@ -8,10 +8,18 @@ var path = require('path');
 var casesDir = path.join(__dirname, 'cases');
 var cssOutFilename = 'out.css';
 
-var globalCases = ['compose-node-module', 'compose-local-node-module', 'import-node-module'];
-
 function runTestCase (dir) {
   tape('case: ' + dir, function (t) {
+    // load (optional) custom setup for this testcase
+    var customPath = path.join(casesDir, dir, 'custom.js')
+    var customOpts
+    try {
+      fs.accessSync(customPath)
+      customOpts = require(customPath)
+    } catch (e) {
+      customOpts = {}
+    }
+
     var fakeFs = {
       writeFile: function (filename, content, cb) {
         var expected = fs.readFileSync(path.join(casesDir, dir, 'expected.css'), 'utf8');
@@ -27,15 +35,13 @@ function runTestCase (dir) {
     });
 
     var b = browserify();
+
     b.add(path.join(casesDir, dir, 'main.js'));
-    b.plugin(cssModulesify, {
+    b.plugin(cssModulesify, Object.assign({}, {
       rootDir: path.join(casesDir, dir)
       , output: cssOutFilename
       , generateScopedName: cssModulesify.generateLongName
-
-      // only certain cases will use a global transform
-      , global: globalCases.indexOf(dir) !== -1
-    });
+    }, customOpts));
 
     b.bundle(function (err) {
       if (err) {
@@ -50,4 +56,7 @@ function runTestCase (dir) {
 // test cases are expected to have:
 // - main.js (entry point)
 // - expected.css (what to expect from css-modulesify output)
+// optional:
+// - custom.js (module that exports an object of custom settings)
+
 fs.readdirSync(path.join(__dirname, 'cases')).forEach(runTestCase);