mirror of https://github.com/knative/pkg.git
105 lines
2.9 KiB
Go
105 lines
2.9 KiB
Go
/*
|
|
Copyright 2018 The Knative Authors
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package changeset
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"testing"
|
|
)
|
|
|
|
const (
|
|
nonCommittedHeadRef = "refs/heads/non_committed_branch"
|
|
testCommitID = "a2d1bdf"
|
|
)
|
|
|
|
func TestReadFile(t *testing.T) {
|
|
tests := []struct {
|
|
name string
|
|
koDataPath string
|
|
koDataPathEnvDoesNotExist bool
|
|
want string
|
|
wantErr bool
|
|
err error
|
|
}{{
|
|
name: "committed branch",
|
|
koDataPath: "testdata",
|
|
want: testCommitID,
|
|
}, {
|
|
name: "no refs link",
|
|
koDataPath: "testdata/noncommitted",
|
|
wantErr: true,
|
|
err: fmt.Errorf("open testdata/noncommitted/%s: no such file or directory", nonCommittedHeadRef),
|
|
}, {
|
|
name: "with refs link",
|
|
koDataPath: "testdata/with-refs",
|
|
want: testCommitID,
|
|
}, {
|
|
name: "with bad content",
|
|
koDataPath: "testdata/garbage",
|
|
wantErr: true,
|
|
err: fmt.Errorf(`"garbage contents" is not a valid GitHub commit ID`),
|
|
}, {
|
|
name: "KO_DATA_PATH is empty",
|
|
koDataPath: "",
|
|
wantErr: true,
|
|
err: fmt.Errorf("%q does not exist or is empty", koDataPathEnvName),
|
|
}, {
|
|
name: "KO_DATA_PATH does not exist",
|
|
koDataPath: "",
|
|
wantErr: true,
|
|
koDataPathEnvDoesNotExist: true,
|
|
err: fmt.Errorf("%q does not exist or is empty", koDataPathEnvName),
|
|
}, {
|
|
name: "HEAD file does not exist",
|
|
koDataPath: "testdata/nonexisting",
|
|
wantErr: true,
|
|
err: errors.New("open testdata/nonexisting/HEAD: no such file or directory"),
|
|
}, {
|
|
name: "packed-ref",
|
|
koDataPath: "testdata/packed-refs",
|
|
want: testCommitID,
|
|
}, {
|
|
name: "no refs with packed-ref",
|
|
koDataPath: "testdata/noncommited-packed-refs",
|
|
wantErr: true,
|
|
err: fmt.Errorf("%q ref not found in packed-refs", nonCommittedHeadRef),
|
|
}}
|
|
for _, test := range tests {
|
|
t.Run(test.name, func(t *testing.T) {
|
|
if !test.koDataPathEnvDoesNotExist {
|
|
t.Setenv(koDataPathEnvName, test.koDataPath)
|
|
}
|
|
|
|
got, err := Get()
|
|
|
|
if (err != nil) != test.wantErr {
|
|
t.Error("Get() =", err)
|
|
}
|
|
if !test.wantErr {
|
|
if test.want != got {
|
|
t.Errorf("wanted %q but got %q", test.want, got)
|
|
}
|
|
} else {
|
|
if err == nil || err.Error() != test.err.Error() {
|
|
t.Errorf("wanted error %v but got: %v", test.err, err)
|
|
}
|
|
}
|
|
})
|
|
}
|
|
}
|