github.com/afking/bazel-gazelle@v0.0.0-20180301150245-c02bc0f529e8/internal/repos/repo_test.go (about)

     1  /* Copyright 2017 The Bazel Authors. All rights reserved.
     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     http://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  
    16  package repos
    17  
    18  import (
    19  	"io/ioutil"
    20  	"os"
    21  	"path/filepath"
    22  	"reflect"
    23  	"testing"
    24  
    25  	bf "github.com/bazelbuild/buildtools/build"
    26  )
    27  
    28  func TestGenerateRepoRules(t *testing.T) {
    29  	repo := Repo{
    30  		Name:     "org_golang_x_tools",
    31  		GoPrefix: "golang.org/x/tools",
    32  		Commit:   "123456",
    33  	}
    34  	got := bf.FormatString(GenerateRule(repo))
    35  	want := `go_repository(
    36      name = "org_golang_x_tools",
    37      commit = "123456",
    38      importpath = "golang.org/x/tools",
    39  )`
    40  	if got != want {
    41  		t.Errorf("got %s ; want %s", got, want)
    42  	}
    43  }
    44  
    45  func TestFindExternalRepo(t *testing.T) {
    46  	dir, err := ioutil.TempDir(os.Getenv("TEST_TEMPDIR"), "TestFindExternalRepo")
    47  	if err != nil {
    48  		t.Fatal(err)
    49  	}
    50  	defer os.RemoveAll(dir)
    51  	dir, err = filepath.EvalSymlinks(dir)
    52  	if err != nil {
    53  		t.Fatal(err)
    54  	}
    55  
    56  	name := "foo"
    57  	externalPath := filepath.Join(dir, "bazel", "output-base", "external", name)
    58  	if err := os.MkdirAll(externalPath, 0777); err != nil {
    59  		t.Fatal(err)
    60  	}
    61  
    62  	bazelOutPath := filepath.Join(dir, "bazel", "output-base", "execroot", "test", "bazel-out")
    63  	if err := os.MkdirAll(bazelOutPath, 0777); err != nil {
    64  		t.Fatal(err)
    65  	}
    66  
    67  	workspacePath := filepath.Join(dir, "workspace")
    68  	if err := os.MkdirAll(workspacePath, 0777); err != nil {
    69  		t.Fatal(err)
    70  	}
    71  	if err := os.Symlink(bazelOutPath, filepath.Join(workspacePath, "bazel-out")); err != nil {
    72  		t.Fatal(err)
    73  	}
    74  
    75  	if got, err := FindExternalRepo(workspacePath, name); err != nil {
    76  		t.Fatal(err)
    77  	} else if got != externalPath {
    78  		t.Errorf("got %q ; want %q", got, externalPath)
    79  	}
    80  }
    81  
    82  func TestListRepositories(t *testing.T) {
    83  	for _, tc := range []struct {
    84  		desc, workspace string
    85  		want            []Repo
    86  	}{
    87  		{
    88  			desc: "empty",
    89  			want: nil,
    90  		}, {
    91  			desc: "go_repository",
    92  			workspace: `
    93  go_repository(
    94      name = "custom_repo",
    95      commit = "123456",
    96      remote = "https://example.com/repo",
    97      importpath = "example.com/repo",
    98  )
    99  `,
   100  			want: []Repo{{
   101  				Name:     "custom_repo",
   102  				GoPrefix: "example.com/repo",
   103  				Remote:   "https://example.com/repo",
   104  				Commit:   "123456",
   105  			}},
   106  		},
   107  	} {
   108  		t.Run(tc.desc, func(t *testing.T) {
   109  			workspace, err := bf.Parse("WORKSPACE", []byte(tc.workspace))
   110  			if err != nil {
   111  				t.Fatal(err)
   112  			}
   113  			if got := ListRepositories(workspace); !reflect.DeepEqual(got, tc.want) {
   114  				t.Errorf("got %#v ; want %#v", got, tc.want)
   115  			}
   116  		})
   117  	}
   118  }