Create hash test type and red test

test/file-hashes/index.js

@@ -0,0 +1,69 @@
+const path = require('path');
+const rollup = require('../../dist/rollup');
+const { extend, runTestSuiteWithSamples } = require('../utils.js');
+const assert = require('assert');
+
+runTestSuiteWithSamples('file hashes', path.resolve(__dirname, 'samples'), (dir, config) => {
+	(config.skip ? describe.skip : config.solo ? describe.only : describe)(
+		path.basename(dir) + ': ' + config.description,
+		() => {
+			it(`generates correct hashes`, () => {
+				process.chdir(dir);
+				return Promise.all(
+					[config.options1, config.options2].map(options =>
+						rollup
+							.rollup(options)
+							.then(bundle =>
+								bundle.generate(
+									extend(
+										{ format: 'esm', chunkFileNames: '[hash]', entryFileNames: '[hash]' },
+										options.output
+									)
+								)
+							)
+							.then(mapGeneratedToHashMap)
+					)
+				).then(([hashMap1, hashMap2]) => {
+					for (const name of config.expectedEqualHashes || []) {
+						checkChunkExists(hashMap1, hashMap2, name);
+						assert.equal(
+							hashMap1[name],
+							hashMap2[name],
+							`Expected hashes for chunk containing "${name}" to be equal but they were different.`
+						);
+					}
+					for (const name of config.expectedDifferentHashes || []) {
+						checkChunkExists(hashMap1, hashMap2, name);
+						assert.notEqual(
+							hashMap1[name],
+							hashMap2[name],
+							`Expected hashes for chunk containing "${name}" to be different but they were equal.`
+						);
+					}
+				});
+			});
+		}
+	);
+});
+
+function mapGeneratedToHashMap(generated) {
+	const hashMap = {};
+	const dirLength = process.cwd().length + 1;
+	for (const chunk of generated.output) {
+		for (const moduleName of Object.keys(chunk.modules)) {
+			hashMap[moduleName.slice(dirLength)] = chunk.fileName;
+		}
+	}
+	return hashMap;
+}
+
+function checkChunkExists(hashMap1, hashMap2, name) {
+	[hashMap1, hashMap2].forEach((hashMap, index) =>
+		assert.ok(
+			hashMap[name],
+			`Bundle ${index} did not contain a chunk containing module "${name}", found chunks for modules: ${Object.keys(
+				hashMap
+			).join(', ')}`
+		)
+	);
+}

test/file-hashes/samples/respects-exports/_config.js

@@ -0,0 +1,11 @@
+module.exports = {
+	solo: true,
+	description: 'creates different hashes if the content is equal but the generated exports differ',
+	options1: {
+		input: ['main1', 'other']
+	},
+	options2: {
+		input: ['main2', 'other']
+	},
+	expectedDifferentHashes: ['dep.js']
+};

test/file-hashes/samples/respects-exports/_expected/amd/generated-chunk.js

@@ -0,0 +1,5 @@
+define(function () { 'use strict';
+
+	console.log('main4');
+
+});

test/file-hashes/samples/respects-exports/_expected/amd/generated-chunk2.js

@@ -0,0 +1,5 @@
+define(function () { 'use strict';
+
+	console.log('main5');
+
+});

test/file-hashes/samples/respects-exports/_expected/amd/main1.js

@@ -0,0 +1,7 @@
+define(['require'], function (require) { 'use strict';
+
+	console.log('main1');
+	new Promise(function (resolve, reject) { require(['./generated-chunk.js'], resolve, reject) });
+	new Promise(function (resolve, reject) { require(['./generated-chunk2.js'], resolve, reject) });
+
+});

test/file-hashes/samples/respects-exports/_expected/amd/main2.js

@@ -0,0 +1,5 @@
+define(function () { 'use strict';
+
+	console.log('main2');
+
+});

test/file-hashes/samples/respects-exports/_expected/amd/main3.js

@@ -0,0 +1,5 @@
+define(function () { 'use strict';
+
+	console.log('main3');
+
+});

test/file-hashes/samples/respects-exports/_expected/cjs/generated-chunk.js

@@ -0,0 +1,3 @@
+'use strict';
+
+console.log('main4');

test/file-hashes/samples/respects-exports/_expected/cjs/generated-chunk2.js

@@ -0,0 +1,3 @@
+'use strict';
+
+console.log('main5');

test/file-hashes/samples/respects-exports/_expected/cjs/main1.js

@@ -0,0 +1,5 @@
+'use strict';
+
+console.log('main1');
+Promise.resolve(require('./generated-chunk.js'));
+Promise.resolve(require('./generated-chunk2.js'));

test/file-hashes/samples/respects-exports/_expected/cjs/main2.js

@@ -0,0 +1,3 @@
+'use strict';
+
+console.log('main2');

test/file-hashes/samples/respects-exports/_expected/cjs/main3.js

@@ -0,0 +1,3 @@
+'use strict';
+
+console.log('main3');

test/file-hashes/samples/respects-exports/_expected/es/generated-chunk.js

@@ -0,0 +1 @@
+console.log('main4');

test/file-hashes/samples/respects-exports/_expected/es/generated-chunk2.js

@@ -0,0 +1 @@
+console.log('main5');

test/file-hashes/samples/respects-exports/_expected/es/main1.js

@@ -0,0 +1,3 @@
+console.log('main1');
+import('./generated-chunk.js');
+import('./generated-chunk2.js');

test/file-hashes/samples/respects-exports/_expected/es/main2.js

@@ -0,0 +1 @@
+console.log('main2');

test/file-hashes/samples/respects-exports/_expected/es/main3.js

@@ -0,0 +1 @@
+console.log('main3');

test/file-hashes/samples/respects-exports/_expected/system/generated-chunk.js

@@ -0,0 +1,10 @@
+System.register([], function (exports, module) {
+	'use strict';
+	return {
+		execute: function () {
+
+			console.log('main4');
+
+		}
+	};
+});

test/file-hashes/samples/respects-exports/_expected/system/generated-chunk2.js

@@ -0,0 +1,10 @@
+System.register([], function (exports, module) {
+	'use strict';
+	return {
+		execute: function () {
+
+			console.log('main5');
+
+		}
+	};
+});

test/file-hashes/samples/respects-exports/_expected/system/main1.js

@@ -0,0 +1,12 @@
+System.register([], function (exports, module) {
+	'use strict';
+	return {
+		execute: function () {
+
+			console.log('main1');
+			module.import('./generated-chunk.js');
+			module.import('./generated-chunk2.js');
+
+		}
+	};
+});

test/file-hashes/samples/respects-exports/_expected/system/main2.js

@@ -0,0 +1,10 @@
+System.register([], function (exports, module) {
+	'use strict';
+	return {
+		execute: function () {
+
+			console.log('main2');
+
+		}
+	};
+});

test/file-hashes/samples/respects-exports/_expected/system/main3.js

@@ -0,0 +1,10 @@
+System.register([], function (exports, module) {
+	'use strict';
+	return {
+		execute: function () {
+
+			console.log('main3');
+
+		}
+	};
+});

test/file-hashes/samples/respects-exports/dep.js

@@ -0,0 +1,2 @@
+export const mightNotBeImported = 42;
+console.log(mightNotBeImported);

test/file-hashes/samples/respects-exports/main1.js

@@ -0,0 +1,3 @@
+import {mightNotBeImported} from './dep';
+
+console.log('main1', mightNotBeImported);

test/file-hashes/samples/respects-exports/main2.js

@@ -0,0 +1,3 @@
+import './dep';
+
+console.log('main2');

test/file-hashes/samples/respects-exports/other.js

@@ -0,0 +1,3 @@
+import './dep';
+
+console.log('other');

test/test.js

@@ -12,6 +12,7 @@ describe('rollup', function() {
 	require('./function/index.js');
 	require('./form/index.js');
 	require('./chunking-form/index.js');
+	require('./file-hashes/index.js');
 	require('./sourcemaps/index.js');
 	require('./incremental/index.js');
 	require('./hooks/index.js');