98 lines
2.0 KiB
Go
98 lines
2.0 KiB
Go
package inspect
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import (
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"flag"
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"io/ioutil"
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"path/filepath"
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"strings"
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"testing"
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"github.com/mitchellh/cli"
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"github.com/stretchr/testify/require"
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)
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// update allows golden files to be updated based on the current output.
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var update = flag.Bool("update", false, "update golden files")
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// golden reads and optionally writes the expected data to the golden file,
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// returning the contents as a string.
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func golden(t *testing.T, name, got string) string {
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t.Helper()
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golden := filepath.Join("testdata", name+".golden")
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if *update && got != "" {
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err := ioutil.WriteFile(golden, []byte(got), 0644)
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require.NoError(t, err)
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}
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expected, err := ioutil.ReadFile(golden)
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require.NoError(t, err)
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return string(expected)
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}
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func TestSnapshotInspectCommand_noTabs(t *testing.T) {
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t.Parallel()
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if strings.ContainsRune(New(cli.NewMockUi()).Help(), '\t') {
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t.Fatal("help has tabs")
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}
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}
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func TestSnapshotInspectCommand_Validation(t *testing.T) {
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t.Parallel()
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ui := cli.NewMockUi()
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c := New(ui)
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cases := map[string]struct {
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args []string
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output string
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}{
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"no file": {
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[]string{},
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"Missing FILE argument",
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},
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"extra args": {
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[]string{"foo", "bar", "baz"},
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"Too many arguments",
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},
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}
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for name, tc := range cases {
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// Ensure our buffer is always clear
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if ui.ErrorWriter != nil {
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ui.ErrorWriter.Reset()
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}
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if ui.OutputWriter != nil {
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ui.OutputWriter.Reset()
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}
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code := c.Run(tc.args)
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if code == 0 {
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t.Errorf("%s: expected non-zero exit", name)
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}
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output := ui.ErrorWriter.String()
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if !strings.Contains(output, tc.output) {
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t.Errorf("%s: expected %q to contain %q", name, output, tc.output)
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}
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}
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}
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func TestSnapshotInspectCommand(t *testing.T) {
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filepath := "./testdata/backup.snap"
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// Inspect the snapshot
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ui := cli.NewMockUi()
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c := New(ui)
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args := []string{filepath}
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code := c.Run(args)
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if code != 0 {
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t.Fatalf("bad: %d. %#v", code, ui.ErrorWriter.String())
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}
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want := golden(t, t.Name(), ui.OutputWriter.String())
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require.Equal(t, want, ui.OutputWriter.String())
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}
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