github.com/thiagoyeds/go-cloud@v0.26.0/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  //                          other modules
    33  var mainGomod = []byte("module gocloud.dev\n")
    34  
    35  var submodGomod = []byte(`module gocloud.dev/submod
    36  
    37  require (
    38  	gocloud.dev v0.15.0
    39  )
    40  `)
    41  
    42  var samplesGomod = []byte(`module gocloud.dev/samples
    43  
    44  require (
    45  	gocloud.dev v0.15.0
    46  	gocloud.dev/submod v0.15.0
    47  )
    48  `)
    49  
    50  func createFilesForTest(root string) error {
    51  	if err := ioutil.WriteFile(filepath.Join(root, "go.mod"), mainGomod, 0666); err != nil {
    52  		return err
    53  	}
    54  	if err := os.MkdirAll(filepath.Join(root, "submod"), 0766); err != nil {
    55  		return err
    56  	}
    57  	if err := ioutil.WriteFile(filepath.Join(root, "submod", "go.mod"), submodGomod, 0666); err != nil {
    58  		return err
    59  	}
    60  	if err := os.MkdirAll(filepath.Join(root, "samples"), 0766); err != nil {
    61  		return err
    62  	}
    63  	if err := ioutil.WriteFile(filepath.Join(root, "samples", "go.mod"), samplesGomod, 0666); err != nil {
    64  		return err
    65  	}
    66  	return nil
    67  }
    68  
    69  func Test(t *testing.T) {
    70  	tempDir, err := ioutil.TempDir("", "releasehelper_test")
    71  	if err != nil {
    72  		t.Fatal(err)
    73  	}
    74  	fmt.Println("temp dir:", tempDir)
    75  	if err := createFilesForTest(tempDir); err != nil {
    76  		t.Fatal(err)
    77  	}
    78  	defer os.RemoveAll(tempDir)
    79  
    80  	if err := os.Chdir(tempDir); err != nil {
    81  		t.Fatal(err)
    82  	}
    83  
    84  	// Add replace lines and expect to find them.
    85  	gomodAddReplace("samples")
    86  
    87  	samplesGomod := filepath.Join("samples", "go.mod")
    88  	c, err := ioutil.ReadFile(samplesGomod)
    89  	if err != nil {
    90  		t.Fatal(err)
    91  	}
    92  
    93  	replaceLines := []string{
    94  		"replace gocloud.dev => " + filepath.Clean("../"),
    95  		"replace gocloud.dev/submod => " + filepath.Clean("../submod")}
    96  
    97  	for _, line := range replaceLines {
    98  		if !strings.Contains(string(c), line) {
    99  			t.Errorf("Expected to find '%s' in samples/go.mod", line)
   100  		}
   101  	}
   102  
   103  	// Drop replace lines and expect not to find them.
   104  	gomodDropReplace("samples")
   105  	c, err = ioutil.ReadFile(samplesGomod)
   106  	if err != nil {
   107  		t.Fatal(err)
   108  	}
   109  
   110  	for _, line := range replaceLines {
   111  		if strings.Contains(string(c), line) {
   112  			t.Errorf("Expected to not find '%s' in samples/go.mod", line)
   113  		}
   114  	}
   115  
   116  	// Set new version and check it was set as expected.
   117  	gomodSetVersion("samples", "v1.8.99")
   118  	c, err = ioutil.ReadFile(samplesGomod)
   119  	if err != nil {
   120  		t.Fatal(err)
   121  	}
   122  
   123  	if !strings.Contains(string(c), "gocloud.dev v1.8.99") || !strings.Contains(string(c), "gocloud.dev/submod v1.8.99") {
   124  		t.Error("New versions for require not found in samples/go.mod")
   125  	}
   126  }