compose/cli/cmd/ps_test.go

97 lines
1.8 KiB
Go

package cmd
import (
"context"
"io/ioutil"
"os"
"testing"
"github.com/stretchr/testify/require"
"github.com/stretchr/testify/suite"
"gotest.tools/v3/assert"
"gotest.tools/v3/golden"
apicontext "github.com/docker/api/context"
"github.com/docker/api/context/store"
_ "github.com/docker/api/example"
)
type PsSuite struct {
suite.Suite
ctx context.Context
writer *os.File
reader *os.File
originalStdout *os.File
storeRoot string
}
func (sut *PsSuite) BeforeTest(suiteName, testName string) {
ctx := context.Background()
ctx = apicontext.WithCurrentContext(ctx, "example")
dir, err := ioutil.TempDir("", "store")
require.Nil(sut.T(), err)
s, err := store.New(
store.WithRoot(dir),
)
require.Nil(sut.T(), err)
err = s.Create("example", store.TypedContext{
Type: "example",
})
require.Nil(sut.T(), err)
sut.storeRoot = dir
ctx = store.WithContextStore(ctx, s)
sut.ctx = ctx
sut.originalStdout = os.Stdout
r, w, err := os.Pipe()
require.Nil(sut.T(), err)
os.Stdout = w
sut.writer = w
sut.reader = r
}
func (sut *PsSuite) getStdOut() string {
err := sut.writer.Close()
require.Nil(sut.T(), err)
out, _ := ioutil.ReadAll(sut.reader)
return string(out)
}
func (sut *PsSuite) AfterTest(suiteName, testName string) {
os.Stdout = sut.originalStdout
err := os.RemoveAll(sut.storeRoot)
require.Nil(sut.T(), err)
}
func (sut *PsSuite) TestPs() {
opts := psOpts{
quiet: false,
}
err := runPs(sut.ctx, opts)
assert.NilError(sut.T(), err)
golden.Assert(sut.T(), sut.getStdOut(), "ps-out.golden")
}
func (sut *PsSuite) TestPsQuiet() {
opts := psOpts{
quiet: true,
}
err := runPs(sut.ctx, opts)
assert.NilError(sut.T(), err)
golden.Assert(sut.T(), sut.getStdOut(), "ps-out-quiet.golden")
}
func TestPs(t *testing.T) {
suite.Run(t, new(PsSuite))
}