add tests

csabapalfi · csabapalfi · commit a2e53f73a5a3 · 2016-12-30T15:03:37.000Z
diff --git a/package.json b/package.json
@@ -24,13 +24,19 @@
   "homepage": "https://github.com/csabapalfi/html-webpack-uncss-plugin",
   "dependencies": {
     "cheerio": "^0.22.0",
-    "uncss": "^0.14.1",
-    "snyk": "^1.22.1"
+    "snyk": "^1.22.1",
+    "uncss": "^0.14.1"
   },
   "scripts": {
-    "test": "snyk test",
+    "test:snyk": "snyk test",
+    "test:mocha": "mocha",
+    "test": "npm run test:mocha && npm run test:snyk",
     "snyk-protect": "snyk protect",
     "prepublish": "npm run snyk-protect"
   },
-  "snyk": true
+  "snyk": true,
+  "devDependencies": {
+    "chai": "^3.5.0",
+    "mocha": "^3.2.0"
+  }
 }
diff --git a/test.js b/test.js
@@ -0,0 +1,48 @@
+const expect = require('chai').expect;
+
+const HtmlWebpackUncssPlugin = require('./index.js');
+
+const htmlWithUnusedCss = `
+    <html>
+      <style>
+        h1 {
+          font-size: 3em;
+        }
+        .test {
+          color: red;
+        }
+      </style>
+      <p class="test">hello</p>
+    </html>
+`;
+
+const htmlWithoutUnusedCss = `
+    <html>
+      <style>
+        .test {
+          color: red;
+        }
+      </style>
+      <p class="test">hello</p>
+    </html>
+`;
+
+describe('plugin', () => {
+  it('takes no options', () => {
+    expect(() => new HtmlWebpackUncssPlugin({})).to.throw();
+  });
+
+  it('removes unused CSS', function (done) {
+    this.timeout(10000);
+    const plugin = new HtmlWebpackUncssPlugin();
+    plugin.apply({
+      plugin: (name, callback) => callback({
+        plugin: (name, callback) =>
+          callback({ html: htmlWithUnusedCss }, (err, data) => {
+            expect(data.html).to.equal(htmlWithoutUnusedCss);
+            done();
+          }),
+      }),
+    });
+  });
+});
diff --git a/yarn.lock b/yarn.lock
