Add initial resolve cache tests.

test/core/resolveCache.js

@@ -0,0 +1,165 @@
+var path = require('path');
+var mout = require('mout');
+var rimraf = require('rimraf');
+var fs = require('graceful-fs');
+var Q = require('q');
+var expect = require('expect.js');
+var ResolveCache = require('../../lib/core/ResolveCache');
+var defaultConfig = require('../../lib/config');
+var cmd = require('../../lib/util/cmd');
+var copy = require('../../lib/util/copy');
+var md5 = require('../../lib/util/md5');
+
+describe('ResolveCache', function () {
+    var resolveCache;
+    var testPackage = path.resolve(__dirname, '../assets/github-test-package');
+    var tempPackage = path.resolve(__dirname, '../assets/temp');
+    var cacheDir = path.join(__dirname, '../assets/resolve-cache');
+
+    before(function (next) {
+        resolveCache = new ResolveCache(mout.object.deepMixIn(defaultConfig, {
+            storage: {
+                packages: cacheDir
+            }
+        }));
+
+        // Checkout test package version 0.2.0
+        cmd('git', ['checkout', '0.2.0'], { cwd: testPackage })
+        .then(next.bind(next, null), next);
+    });
+
+    after(function () {
+        rimraf.sync(cacheDir);
+    });
+
+    describe('.constructor', function () {
+
+    });
+
+    describe('.store', function () {
+        beforeEach(function (next) {
+            // Create a fresh copy of the test package into temp
+            rimraf.sync(tempPackage);
+            copy.copyDir(testPackage, tempPackage)
+            .then(next.bind(next, null), next);
+        });
+
+        it('should move the canonical dir to source-md5/version/ folder if package meta has a version', function (next) {
+            resolveCache.store(tempPackage, {
+                name: 'foo',
+                version: '1.0.0',
+                _source: 'foo',
+                _target: '*'
+            })
+            .then(function (dir) {
+                expect(dir).to.equal(path.join(cacheDir, md5('foo'), '1.0.0'));
+                expect(fs.existsSync(dir)).to.be(true);
+                expect(fs.existsSync(path.join(dir, 'baz'))).to.be(true);
+                expect(fs.existsSync(tempPackage)).to.be(false);
+
+                next();
+            })
+            .done();
+        });
+
+        it('should move the canonical dir to source-md5/target/ folder if package meta has no version', function (next) {
+            resolveCache.store(tempPackage, {
+                name: 'foo',
+                _source: 'foo',
+                _target: 'some-branch'
+            })
+            .then(function (dir) {
+                expect(dir).to.equal(path.join(cacheDir, md5('foo'), 'some-branch'));
+                expect(fs.existsSync(dir)).to.be(true);
+                expect(fs.existsSync(path.join(dir, 'baz'))).to.be(true);
+                expect(fs.existsSync(tempPackage)).to.be(false);
+
+                next();
+            })
+            .done();
+        });
+
+        it('should move the canonical dir to source-md5/_wildcard/ folder if package meta has no version and target is *', function (next) {
+            resolveCache.store(tempPackage, {
+                name: 'foo',
+                _source: 'foo',
+                _target: '*'
+            })
+            .then(function (dir) {
+                expect(dir).to.equal(path.join(cacheDir, md5('foo'), '_wildcard'));
+                expect(fs.existsSync(dir)).to.be(true);
+                expect(fs.existsSync(path.join(dir, 'baz'))).to.be(true);
+                expect(fs.existsSync(tempPackage)).to.be(false);
+
+                next();
+            })
+            .done();
+        });
+
+        it('should read the package meta if not present', function (next) {
+            var pkgMeta = path.join(tempPackage, '.bower.json');
+
+            // Copy bower.json to .bower.json and add some props
+            copy.copyFile(path.join(tempPackage, 'component.json'), pkgMeta)
+            .then(function () {
+                return Q.nfcall(fs.readFile, pkgMeta)
+                .then(function (contents) {
+                    var json = JSON.parse(contents.toString());
+
+                    json._target = '~0.2.0';
+                    json._source = 'git://github.com/bower/test-package.git';
+
+                    return Q.nfcall(fs.writeFile, pkgMeta, JSON.stringify(json, null, '  '));
+                });
+            })
+            // Store as usual
+            .then(function () {
+                return resolveCache.store(tempPackage);
+            })
+            .then(function (dir) {
+                expect(dir).to.equal(path.join(cacheDir, md5('git://github.com/bower/test-package.git'), '0.2.0'));
+                expect(fs.existsSync(dir)).to.be(true);
+                expect(fs.existsSync(path.join(dir, 'baz'))).to.be(true);
+                expect(fs.existsSync(tempPackage)).to.be(false);
+
+                next();
+            })
+            .done();
+        });
+
+        it('should error out when reading the package meta if the file does not exist', function (next) {
+            resolveCache.store(tempPackage)
+            .then(function () {
+                next(new Error('Should have failed'));
+            }, function (err) {
+                expect(err).to.be.an(Error);
+                expect(err.code).to.equal('ENOENT');
+                expect(err.message).to.contain(path.join(tempPackage, '.bower.json'));
+
+                next();
+            })
+            .done();
+        });
+
+        it('should error out when reading an invalid package meta', function (next) {
+            var pkgMeta = path.join(tempPackage, '.bower.json');
+
+            return Q.nfcall(fs.writeFile, pkgMeta, 'w00t')
+            .then(function () {
+                return resolveCache.store(tempPackage)
+                .then(function () {
+                    next(new Error('Should have failed'));
+                }, function (err) {
+                    expect(err).to.be.an(Error);
+                    expect(err.code).to.equal('EMALFORMED');
+                    expect(err.message).to.contain(path.join(tempPackage, '.bower.json'));
+
+                    next();
+                });
+            })
+            .done();
+        });
+
+        it.skip('should move the canonical dir, even if it is in a different drive');
+    });
+});