Initial commit

test/deps.test.js

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+/*
+Copyright 2017 Snyk Ltd.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+ */
+let test = require('tap-only');
+let deps = require('../src/deps');
+let path = require('path');
+let npm2fixture = path.resolve(__dirname,
+  'fixtures/bundle/node_modules/snyk-resolve-deps-fixtures',
+  'node_modules/uglify-package');
+let npm3fixture = path.resolve(__dirname,
+  'fixtures/bundle/node_modules/snyk-resolve-deps-fixtures');
+
+
+test('deps - npm@3', function (t) {
+  deps(npm3fixture).then(function (res) {
+    t.ok(!!res, 'package loaded');
+  }).catch(t.fail).then(t.end);
+});
+
+// fixture uglify-package does not exist, and newer versions of npm care
+const legacyNpm = Number(
+  require('child_process').execSync('npm -v').toString().split('.', 1)[0]
+) < 5;
+
+legacyNpm && test('deps - with uglify-package', function (t) {
+  deps(npm2fixture).then(function (res) {
+    t.equal(res.name, 'uglify-package', 'package name matches');
+    t.type(res.dependencies, 'object', 'has dependencies');
+    t.equal(Object.keys(res.dependencies).length, 3, 'has 3 file dependencies');
+
+    let ugdeep = res.dependencies['ug-deep'];
+    t.equal(ugdeep.name, 'ug-deep', 'ug-deep exists');
+  }).catch(function (e) {
+    t.fail(e.stack);
+  }).then(t.end);
+});
+
+legacyNpm && test('deps - with extraFields', function (t) {
+  deps(npm2fixture, null, { extraFields: [ 'main', 'super-bogus-field' ]}).then(function (res) {
+    t.equal(res.main, 'index.js', 'includes extraFields');
+    t.equal(res['super-bogus-field'], null, 'produces null for empty extraFields fields');
+  }).catch(function (e) {
+    t.fail(e.stack);
+  }).then(t.end);
+});
+
+test('deps - throws without path', function (t) {
+  deps().then(function () {
+    t.fail('without a path deps should not succeed');
+  }).catch(function (e) {
+    t.type(e, 'Error', 'error received');
+    t.equal(e.message, 'module path must be a string', 'error is correct');
+  }).then(t.end);
+});
+
+// See test/fixtures/pkg-yarn-renamed-deps/README.md
+test('deps - yarn with renamed dep', function (t) {
+  deps('fixtures/pkg-yarn-renamed-deps').then(function (res) {
+    t.equal(res.name, 'pkg-renamed-dep', 'package name matches');
+    t.type(res.dependencies, 'object', 'has dependencies');
+    t.equal(Object.keys(res.dependencies).length, 2, 'has 2 deps');
+  }).catch(function (e) {
+    t.fail(e.stack);
+  }).then(t.end);
+});
+
+test('deps - pkg undefined deps', function (t) {
+  deps('fixtures/pkg-undef-deps').then(function (res) {
+    t.equal(res.name, 'pkg-undef-deps', 'package name matches');
+    t.type(res.dependencies, 'object', 'has dependencies');
+  }).catch(function (e) {
+    t.fail(e.stack);
+  }).then(t.end);
+});