Files
coder/cli/cliui/output_test.go

129 lines
2.7 KiB
Go

package cliui_test
import (
"context"
"encoding/json"
"sync/atomic"
"testing"
"github.com/spf13/cobra"
"github.com/stretchr/testify/require"
"github.com/coder/coder/cli/cliui"
)
type format struct {
id string
attachFlagsFn func(cmd *cobra.Command)
formatFn func(ctx context.Context, data any) (string, error)
}
var _ cliui.OutputFormat = &format{}
func (f *format) ID() string {
return f.id
}
func (f *format) AttachFlags(cmd *cobra.Command) {
if f.attachFlagsFn != nil {
f.attachFlagsFn(cmd)
}
}
func (f *format) Format(ctx context.Context, data any) (string, error) {
if f.formatFn != nil {
return f.formatFn(ctx, data)
}
return "", nil
}
func Test_OutputFormatter(t *testing.T) {
t.Parallel()
t.Run("RequiresTwoFormatters", func(t *testing.T) {
t.Parallel()
require.Panics(t, func() {
cliui.NewOutputFormatter()
})
require.Panics(t, func() {
cliui.NewOutputFormatter(cliui.JSONFormat())
})
})
t.Run("NoMissingFormatID", func(t *testing.T) {
t.Parallel()
require.Panics(t, func() {
cliui.NewOutputFormatter(
cliui.JSONFormat(),
&format{id: ""},
)
})
})
t.Run("NoDuplicateFormats", func(t *testing.T) {
t.Parallel()
require.Panics(t, func() {
cliui.NewOutputFormatter(
cliui.JSONFormat(),
cliui.JSONFormat(),
)
})
})
t.Run("OK", func(t *testing.T) {
t.Parallel()
var called int64
f := cliui.NewOutputFormatter(
cliui.JSONFormat(),
&format{
id: "foo",
attachFlagsFn: func(cmd *cobra.Command) {
cmd.Flags().StringP("foo", "f", "", "foo flag 1234")
},
formatFn: func(_ context.Context, _ any) (string, error) {
atomic.AddInt64(&called, 1)
return "foo", nil
},
},
)
cmd := &cobra.Command{}
f.AttachFlags(cmd)
selected, err := cmd.Flags().GetString("output")
require.NoError(t, err)
require.Equal(t, "json", selected)
usage := cmd.Flags().FlagUsages()
require.Contains(t, usage, "Available formats: json, foo")
require.Contains(t, usage, "foo flag 1234")
ctx := context.Background()
data := []string{"hi", "dean", "was", "here"}
out, err := f.Format(ctx, data)
require.NoError(t, err)
var got []string
require.NoError(t, json.Unmarshal([]byte(out), &got))
require.Equal(t, data, got)
require.EqualValues(t, 0, atomic.LoadInt64(&called))
require.NoError(t, cmd.Flags().Set("output", "foo"))
out, err = f.Format(ctx, data)
require.NoError(t, err)
require.Equal(t, "foo", out)
require.EqualValues(t, 1, atomic.LoadInt64(&called))
require.NoError(t, cmd.Flags().Set("output", "bar"))
out, err = f.Format(ctx, data)
require.Error(t, err)
require.ErrorContains(t, err, "bar")
require.Equal(t, "", out)
require.EqualValues(t, 1, atomic.LoadInt64(&called))
})
}