github.com/paketo-buildpacks/libpak@v1.70.0/carton/lifecycle_dependency_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 carton_test
    18  
    19  import (
    20  	"os"
    21  	"testing"
    22  
    23  	"github.com/buildpacks/libcnb/mocks"
    24  	. "github.com/onsi/gomega"
    25  	"github.com/sclevine/spec"
    26  	"github.com/stretchr/testify/mock"
    27  
    28  	"github.com/paketo-buildpacks/libpak/carton"
    29  )
    30  
    31  func testLifecycleDependency(t *testing.T, context spec.G, it spec.S) {
    32  	var (
    33  		Expect = NewWithT(t).Expect
    34  
    35  		exitHandler *mocks.ExitHandler
    36  		path        string
    37  	)
    38  
    39  	it.Before(func() {
    40  		var err error
    41  
    42  		exitHandler = &mocks.ExitHandler{}
    43  		exitHandler.On("Error", mock.Anything)
    44  
    45  		f, err := os.CreateTemp("", "carton-builder-dependency")
    46  		Expect(err).NotTo(HaveOccurred())
    47  
    48  		_, err = f.WriteString(`test-prologue
    49  
    50  [lifecycle]
    51  uri = "test-uri"
    52  
    53  test-epilogue
    54  `)
    55  		Expect(err).To(Succeed())
    56  		Expect(f.Close()).To(Succeed())
    57  		path = f.Name()
    58  	})
    59  
    60  	it.After(func() {
    61  		Expect(os.RemoveAll(path)).To(Succeed())
    62  	})
    63  
    64  	it("updates dependency", func() {
    65  		d := carton.LifecycleDependency{
    66  			BuilderPath: path,
    67  			Version:     "test-version-3",
    68  		}
    69  
    70  		d.Update(carton.WithExitHandler(exitHandler))
    71  
    72  		Expect(os.ReadFile(path)).To(Equal([]byte(`test-prologue
    73  
    74  [lifecycle]
    75  uri = "https://github.com/buildpacks/lifecycle/releases/download/vtest-version-3/lifecycle-vtest-version-3+linux.x86-64.tgz"
    76  
    77  test-epilogue
    78  `)))
    79  	})
    80  }