mirror of https://github.com/docker/compose.git
84 lines
2.2 KiB
Go
84 lines
2.2 KiB
Go
/*
|
|
Copyright 2020 Docker Compose CLI 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 config
|
|
|
|
import (
|
|
"io/ioutil"
|
|
"os"
|
|
"path/filepath"
|
|
"testing"
|
|
|
|
"gotest.tools/v3/assert"
|
|
)
|
|
|
|
var sampleConfig = []byte(`{
|
|
"otherField": "value",
|
|
"currentContext": "local"
|
|
}`)
|
|
|
|
func testConfigDir(t *testing.T) string {
|
|
d, _ := ioutil.TempDir("", "")
|
|
t.Cleanup(func() {
|
|
_ = os.RemoveAll(d)
|
|
})
|
|
return d
|
|
}
|
|
|
|
func writeSampleConfig(t *testing.T, d string) {
|
|
err := ioutil.WriteFile(filepath.Join(d, ConfigFileName), sampleConfig, 0644)
|
|
assert.NilError(t, err)
|
|
}
|
|
|
|
func TestLoadFile(t *testing.T) {
|
|
d := testConfigDir(t)
|
|
writeSampleConfig(t, d)
|
|
f, err := LoadFile(d)
|
|
assert.NilError(t, err)
|
|
assert.Equal(t, f.CurrentContext, "local")
|
|
}
|
|
|
|
func TestOverWriteCurrentContext(t *testing.T) {
|
|
d := testConfigDir(t)
|
|
writeSampleConfig(t, d)
|
|
f, err := LoadFile(d)
|
|
assert.NilError(t, err)
|
|
assert.Equal(t, f.CurrentContext, "local")
|
|
|
|
err = WriteCurrentContext(d, "overwrite")
|
|
assert.NilError(t, err)
|
|
f, err = LoadFile(d)
|
|
assert.NilError(t, err)
|
|
assert.Equal(t, f.CurrentContext, "overwrite")
|
|
|
|
m := map[string]interface{}{}
|
|
err = loadFile(filepath.Join(d, ConfigFileName), &m)
|
|
assert.NilError(t, err)
|
|
assert.Equal(t, "overwrite", m["currentContext"])
|
|
assert.Equal(t, "value", m["otherField"])
|
|
}
|
|
|
|
// TestWriteDefaultContextToEmptyConfig tests a specific case seen on the CI:
|
|
// panic when setting context to default with empty config file
|
|
func TestWriteDefaultContextToEmptyConfig(t *testing.T) {
|
|
d := testConfigDir(t)
|
|
err := WriteCurrentContext(d, "default")
|
|
assert.NilError(t, err)
|
|
c, err := ioutil.ReadFile(filepath.Join(d, ConfigFileName))
|
|
assert.NilError(t, err)
|
|
assert.Equal(t, string(c), "{}")
|
|
}
|