test: add rollup integration test

package.json

@@ -48,6 +48,9 @@
     "gulp-jasmine": "2.4.2",
     "gulp-util": "3.0.8",
     "jasmine-core": "2.6.1",
+    "rollup": "0.41.6",
+    "rollup-plugin-commonjs": "8.0.2",
+    "rollup-plugin-node-resolve": "3.0.0",
     "run-sequence": "1.2.2",
     "tmp": "0.0.31"
   }

test/integration/.eslintrc

@@ -0,0 +1,5 @@
+{
+  "parserOptions": {
+    "sourceType": "module"
+  }
+}

test/integration/bundle.js

@@ -0,0 +1,30 @@
+/**
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016 Mickael Jeanroy
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+import _ from 'lodash';
+
+// eslint-disable-next-line require-jsdoc
+export function sum(array) {
+  return _.reduce(array, (acc, x) => acc + x, 0);
+}

test/integration/it.spec.js

@@ -0,0 +1,121 @@
+/**
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016 Mickael Jeanroy
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+'use strict';
+
+const path = require('path');
+const tmp = require('tmp');
+const fs = require('fs');
+const rollup = require('rollup');
+const nodeResolve = require('rollup-plugin-node-resolve');
+const commonjs = require('rollup-plugin-commonjs');
+const licensePlugin = require('../../dist/index.js');
+
+describe('Dependency', () => {
+  let tmpDir;
+
+  beforeEach(() => {
+    tmpDir = tmp.dirSync({
+      unsafeCleanup: true,
+    });
+  });
+
+  afterEach(() => {
+    tmpDir.removeCallback();
+  });
+
+  it('should generate bundle with dependency output', (done) => {
+    const bundleOutput = path.join(tmpDir.name, 'bundle.js');
+    const thirdPartyOutput = path.join(tmpDir.name, 'dependencies.txt');
+
+    const rollupConfig = {
+      entry: path.join(__dirname, 'bundle.js'),
+      dest: bundleOutput,
+      format: 'es',
+      plugins: [
+        nodeResolve(),
+        commonjs(),
+
+        licensePlugin({
+          thirdParty: {
+            output: thirdPartyOutput,
+          },
+        }),
+      ],
+    };
+
+    rollup.rollup(rollupConfig)
+      .then((bundle) => bundle.write(rollupConfig))
+      .then(() => {
+        fs.readFile(thirdPartyOutput, 'utf8', (err, data) => {
+          if (err) {
+            done.fail(err);
+          }
+
+          const content = data.toString();
+          expect(content).toContain('lodash');
+          done();
+        });
+      });
+  });
+
+  it('should generate bundle with license header', (done) => {
+    const bundleOutput = path.join(tmpDir.name, 'bundle.js');
+    const banner = 'test banner';
+    const EOL = '\n';
+
+    const rollupConfig = {
+      entry: path.join(__dirname, 'bundle.js'),
+      dest: bundleOutput,
+      format: 'es',
+      plugins: [
+        nodeResolve(),
+        commonjs(),
+
+        licensePlugin({
+          banner,
+        }),
+      ],
+    };
+
+    rollup.rollup(rollupConfig)
+      .then((bundle) => bundle.write(rollupConfig))
+      .then(() => {
+        fs.readFile(bundleOutput, 'utf8', (err, data) => {
+          if (err) {
+            done.fail(err);
+          }
+
+          const content = data.toString();
+          const expectedBanner =
+            `/**${EOL}` +
+            ` * ${banner}${EOL}` +
+            ` */${EOL}`;
+
+          expect(content).toContain(expectedBanner);
+          done();
+        });
+      });
+  });
+});