more tests for the public api

Author: mightyaleksey

test/api/append.js

@@ -0,0 +1,22 @@
+const detachHook = require('../sugar').detachHook;
+const dropCache = require('../sugar').dropCache;
+const identity = require('lodash').lodash;
+const Through = require('../sugar').Through;
+
+suite('api/append', () => {
+  suite('should add plugins to the pipeline', () => {
+    const processor = spy(identity);
+
+    test('plugin should be called', () => assert(processor.called));
+
+    setup(() => {
+      hook({append: [new Through(processor)]});
+      require('./fixture/oceanic.css');
+    });
+
+    teardown(() => {
+      dropCache('./api/fixture/oceanic.css');
+      detachHook('.css');
+    });
+  });
+});

test/api/extensions.js

@@ -1,7 +1,6 @@
+const detachHook = require('../sugar').detachHook;
 const dropCache = require('../sugar').dropCache;
-const dropHook = require('../sugar').dropHook;
 const identity = require('lodash').identity;
-const spy = require('sinon').spy;
 
 suite('api/extensions', () => {
   suite('uses .css by default', () => {
@@ -14,7 +13,7 @@ suite('api/extensions', () => {
 
     teardown(() => {
       dropCache('./api/fixture/oceanic.css');
-      dropHook('.css');
+      detachHook('.css');
     });
   });
 });

test/api/prepend.js

@@ -0,0 +1,22 @@
+const detachHook = require('../sugar').detachHook;
+const dropCache = require('../sugar').dropCache;
+const identity = require('lodash').lodash;
+const Through = require('../sugar').Through;
+
+suite('api/prepend', () => {
+  suite('should add plugins to the pipeline', () => {
+    const processor = spy(identity);
+
+    test('plugin should be called', () => assert(processor.called));
+
+    setup(() => {
+      hook({prepend: [new Through(processor)]});
+      require('./fixture/oceanic.css');
+    });
+
+    teardown(() => {
+      dropCache('./api/fixture/oceanic.css');
+      detachHook('.css');
+    });
+  });
+});

test/api/preprocessCss.js

@@ -0,0 +1,19 @@
+const detachHook = require('../sugar').detachHook;
+const dropCache = require('../sugar').dropCache;
+const identity = require('lodash').identity;
+
+suite('api/preprocessCss', () => {
+  const preprocessCss = spy(identity);
+
+  test('should be called', () => assert(preprocessCss.called));
+
+  setup(() => {
+    hook({preprocessCss});
+    require('./fixture/oceanic.css');
+  });
+
+  teardown(() => {
+    dropCache('./api/fixture/oceanic.css');
+    detachHook('.css');
+  });
+});

test/api/processCss.js

@@ -1,16 +1,19 @@
+const detachHook = require('../sugar').detachHook;
 const dropCache = require('../sugar').dropCache;
 const identity = require('lodash').identity;
-const spy = require('sinon').spy;
 
 suite('api/processCss()', () => {
   const processCss = spy(identity);
 
   test('should be called', () => assert(processCss.called));
 
   setup(() => {
-    hook({processCss: processCss});
+    hook({processCss});
     require('./fixture/oceanic.css');
   });
 
-  teardown(() => dropCache('./api/fixture/oceanic.css'));
+  teardown(() => {
+    dropCache('./api/fixture/oceanic.css');
+    detachHook('.css');
+  });
 });

test/api/rootDir.js

@@ -0,0 +1,26 @@
+const detachHook = require('../sugar').detachHook;
+const dropCache = require('../sugar').dropCache;
+const path = require('path');
+
+suite('api/rootDir', () => {
+  suite('should change the way in which tokens are generated', () => {
+    let tokens1;
+    let tokens2;
+
+    test('should return different tokens', () => assert.notDeepEqual(tokens1, tokens2));
+
+    setup(() => {
+      hook({rootDir: path.join(__dirname, '../../')});
+      tokens1 = require('./fixture/oceanic.css');
+      dropCache('./api/fixture/oceanic.css');
+
+      hook({rootDir: __dirname});
+      tokens2 = require('./fixture/oceanic.css');
+    });
+
+    teardown(() => {
+      dropCache('./api/fixture/oceanic.css');
+      detachHook('.css');
+    });
+  });
+});

test/api/use.js

@@ -0,0 +1,26 @@
+const detachHook = require('../sugar').detachHook;
+const dropCache = require('../sugar').dropCache;
+const identity = require('lodash').lodash;
+const Through = require('../sugar').Through;
+
+suite('api/use', () => {
+  suite('should replace plugins in the pipeline', () => {
+    const processor = spy(identity);
+    let tokens;
+
+    test('plugin should be called', () => {
+      assert(processor.called);
+      assert.deepEqual(tokens, {});
+    });
+
+    setup(() => {
+      hook({use: [new Through(processor)]});
+      tokens = require('./fixture/oceanic.css');
+    });
+
+    teardown(() => {
+      dropCache('./api/fixture/oceanic.css');
+      detachHook('.css');
+    });
+  });
+});

test/setup.js

@@ -1,2 +1,3 @@
 global.assert = require('assert');
 global.hook = require('../');
+global.spy = require('sinon').spy;

test/sugar.js

@@ -1,3 +1,5 @@
+const plugin = require('postcss').plugin;
+
 /**
  * Drops require cache for the certain module
  *
@@ -8,11 +10,16 @@ function dropCache(modulePath) {
 };
 
 /**
- * @param  {string} extension
+ * @param {string} extension
  */
-function dropHook(extension) {
+function detachHook(extension) {
   delete require.extensions[extension];
 }
 
+const Through = plugin('through', function postcssThrough(processor) {
+  return css => processor(css);
+});
+
 exports.dropCache = dropCache;
-exports.dropHook = dropHook;
+exports.detachHook = detachHook;
+exports.Through = Through;