github.com/wolfd/bazel-gazelle@v0.14.0/internal/label/label_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 label
    17  
    18  import (
    19  	"reflect"
    20  	"testing"
    21  )
    22  
    23  func TestLabelString(t *testing.T) {
    24  	for _, spec := range []struct {
    25  		l    Label
    26  		want string
    27  	}{
    28  		{
    29  			l:    Label{Name: "foo"},
    30  			want: "//:foo",
    31  		}, {
    32  			l:    Label{Pkg: "foo/bar", Name: "baz"},
    33  			want: "//foo/bar:baz",
    34  		}, {
    35  			l:    Label{Pkg: "foo/bar", Name: "bar"},
    36  			want: "//foo/bar",
    37  		}, {
    38  			l:    Label{Repo: "com_example_repo", Pkg: "foo/bar", Name: "baz"},
    39  			want: "@com_example_repo//foo/bar:baz",
    40  		}, {
    41  			l:    Label{Repo: "com_example_repo", Pkg: "foo/bar", Name: "bar"},
    42  			want: "@com_example_repo//foo/bar",
    43  		}, {
    44  			l:    Label{Relative: true, Name: "foo"},
    45  			want: ":foo",
    46  		},
    47  	} {
    48  		if got, want := spec.l.String(), spec.want; got != want {
    49  			t.Errorf("%#v.String() = %q; want %q", spec.l, got, want)
    50  		}
    51  	}
    52  }
    53  
    54  func TestParse(t *testing.T) {
    55  	for _, tc := range []struct {
    56  		str     string
    57  		want    Label
    58  		wantErr bool
    59  	}{
    60  		{str: "", wantErr: true},
    61  		{str: "@//:", wantErr: true},
    62  		{str: "@//:a", wantErr: true},
    63  		{str: "@a:b", wantErr: true},
    64  		{str: ":a", want: Label{Name: "a", Relative: true}},
    65  		{str: "a", want: Label{Name: "a", Relative: true}},
    66  		{str: "//:a", want: Label{Name: "a", Relative: false}},
    67  		{str: "//a", want: Label{Pkg: "a", Name: "a"}},
    68  		{str: "//a/b", want: Label{Pkg: "a/b", Name: "b"}},
    69  		{str: "//a:b", want: Label{Pkg: "a", Name: "b"}},
    70  		{str: "@a//b", want: Label{Repo: "a", Pkg: "b", Name: "b"}},
    71  		{str: "@a//b:c", want: Label{Repo: "a", Pkg: "b", Name: "c"}},
    72  		{str: "//api_proto:api.gen.pb.go_checkshtest", want: Label{Pkg: "api_proto", Name: "api.gen.pb.go_checkshtest"}},
    73  	} {
    74  		got, err := Parse(tc.str)
    75  		if err != nil && !tc.wantErr {
    76  			t.Errorf("for string %q: got error %s ; want success", tc.str, err)
    77  			continue
    78  		}
    79  		if err == nil && tc.wantErr {
    80  			t.Errorf("for string %q: got label %s ; want error", tc.str, got)
    81  			continue
    82  		}
    83  		if !reflect.DeepEqual(got, tc.want) {
    84  			t.Errorf("for string %q: got %s ; want %s", tc.str, got, tc.want)
    85  		}
    86  	}
    87  }