github.com/yorinasub17/go-cloud@v0.27.40/internal/releasehelper/releasehelper_test.go (about)

     1  // Copyright 2019 The Go Cloud Development Kit Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     https://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package main
    16  
    17  import (
    18  	"fmt"
    19  	"io/ioutil"
    20  	"os"
    21  	"path/filepath"
    22  	"strings"
    23  	"testing"
    24  )
    25  
    26  // The following directory/file structure is created. ROOT is the root temp
    27  // directory created by the test.
    28  //
    29  // ROOT/go.mod          <-- main go.mod for gocloud.dev
    30  // ROOT/submod/go.mod   <-- go.mod for a submodule of gocloud.dev
    31  // ROOT/samples/go.mod  <-- go.mod for "samples" that include both of the
    32  //
    33  //	other modules
    34  var mainGomod = []byte("module gocloud.dev\n")
    35  
    36  var submodGomod = []byte(`module gocloud.dev/submod
    37  
    38  require (
    39  	gocloud.dev v0.15.0
    40  )
    41  `)
    42  
    43  var samplesGomod = []byte(`module gocloud.dev/samples
    44  
    45  require (
    46  	gocloud.dev v0.15.0
    47  	gocloud.dev/submod v0.15.0
    48  )
    49  `)
    50  
    51  func createFilesForTest(root string) error {
    52  	if err := ioutil.WriteFile(filepath.Join(root, "go.mod"), mainGomod, 0666); err != nil {
    53  		return err
    54  	}
    55  	if err := os.MkdirAll(filepath.Join(root, "submod"), 0766); err != nil {
    56  		return err
    57  	}
    58  	if err := ioutil.WriteFile(filepath.Join(root, "submod", "go.mod"), submodGomod, 0666); err != nil {
    59  		return err
    60  	}
    61  	if err := os.MkdirAll(filepath.Join(root, "samples"), 0766); err != nil {
    62  		return err
    63  	}
    64  	if err := ioutil.WriteFile(filepath.Join(root, "samples", "go.mod"), samplesGomod, 0666); err != nil {
    65  		return err
    66  	}
    67  	return nil
    68  }
    69  
    70  func Test(t *testing.T) {
    71  	tempDir, err := ioutil.TempDir("", "releasehelper_test")
    72  	if err != nil {
    73  		t.Fatal(err)
    74  	}
    75  	fmt.Println("temp dir:", tempDir)
    76  	if err := createFilesForTest(tempDir); err != nil {
    77  		t.Fatal(err)
    78  	}
    79  	defer os.RemoveAll(tempDir)
    80  
    81  	if err := os.Chdir(tempDir); err != nil {
    82  		t.Fatal(err)
    83  	}
    84  
    85  	// Add replace lines and expect to find them.
    86  	gomodAddReplace("samples")
    87  
    88  	samplesGomod := filepath.Join("samples", "go.mod")
    89  	c, err := ioutil.ReadFile(samplesGomod)
    90  	if err != nil {
    91  		t.Fatal(err)
    92  	}
    93  
    94  	replaceLines := []string{
    95  		"replace gocloud.dev => " + filepath.Clean("../"),
    96  		"replace gocloud.dev/submod => " + filepath.Clean("../submod")}
    97  
    98  	for _, line := range replaceLines {
    99  		if !strings.Contains(string(c), line) {
   100  			t.Errorf("Expected to find '%s' in samples/go.mod", line)
   101  		}
   102  	}
   103  
   104  	// Drop replace lines and expect not to find them.
   105  	gomodDropReplace("samples")
   106  	c, err = ioutil.ReadFile(samplesGomod)
   107  	if err != nil {
   108  		t.Fatal(err)
   109  	}
   110  
   111  	for _, line := range replaceLines {
   112  		if strings.Contains(string(c), line) {
   113  			t.Errorf("Expected to not find '%s' in samples/go.mod", line)
   114  		}
   115  	}
   116  
   117  	// Set new version and check it was set as expected.
   118  	gomodSetVersion("samples", "v1.8.99")
   119  	c, err = ioutil.ReadFile(samplesGomod)
   120  	if err != nil {
   121  		t.Fatal(err)
   122  	}
   123  
   124  	if !strings.Contains(string(c), "gocloud.dev v1.8.99") || !strings.Contains(string(c), "gocloud.dev/submod v1.8.99") {
   125  		t.Error("New versions for require not found in samples/go.mod")
   126  	}
   127  }