github.com/cloudfoundry/libcfbuildpack@v1.91.23/layers/touched_layers_test.go (about) 1 /* 2 * Copyright 2018-2020 the original author or authors. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * https://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package layers_test 18 19 import ( 20 "path/filepath" 21 "testing" 22 23 "github.com/cloudfoundry/libcfbuildpack/layers" 24 "github.com/cloudfoundry/libcfbuildpack/logger" 25 "github.com/cloudfoundry/libcfbuildpack/test" 26 "github.com/onsi/gomega" 27 "github.com/sclevine/spec" 28 "github.com/sclevine/spec/report" 29 ) 30 31 func TestTouchedLayers(t *testing.T) { 32 spec.Run(t, "TouchedLayers", func(t *testing.T, _ spec.G, it spec.S) { 33 34 g := gomega.NewWithT(t) 35 36 var ( 37 root string 38 touched layers.TouchedLayers 39 ) 40 41 it.Before(func() { 42 root = test.ScratchDir(t, "touched-layers") 43 touched = layers.NewTouchedLayers(root, logger.Logger{}) 44 }) 45 46 it("does not remove touched layers", func() { 47 test.TouchFile(t, root, "test-layer.toml") 48 49 touched.Add(filepath.Join(root, "test-layer.toml")) 50 g.Expect(touched.Cleanup()).To(gomega.Succeed()) 51 52 g.Expect(filepath.Join(root, "test-layer.toml")).To(gomega.BeARegularFile()) 53 }) 54 55 it("removes untouched layers", func() { 56 test.TouchFile(t, root, "test-layer.toml") 57 58 g.Expect(touched.Cleanup()).To(gomega.Succeed()) 59 60 g.Expect(filepath.Join(root, "test-layer.toml")).NotTo(gomega.BeARegularFile()) 61 }) 62 63 it("does not remove launch.toml", func() { 64 test.TouchFile(t, root, "launch.toml") 65 66 g.Expect(touched.Cleanup()).To(gomega.Succeed()) 67 68 g.Expect(filepath.Join(root, "launch.toml")).To(gomega.BeARegularFile()) 69 }) 70 71 it("does not remove store.toml", func() { 72 test.TouchFile(t, root, "store.toml") 73 74 g.Expect(touched.Cleanup()).To(gomega.Succeed()) 75 76 g.Expect(filepath.Join(root, "store.toml")).To(gomega.BeARegularFile()) 77 }) 78 }, spec.Report(report.Terminal{})) 79 }