63 lines
1.5 KiB
Go
63 lines
1.5 KiB
Go
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package test
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import (
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"bytes"
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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/ian-howell/airshipadm/cmd"
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)
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// UpdateGolden writes out the golden files with the latest values, rather than failing the test.
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var updateGolden = flag.Bool("update", false, "update golden files")
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const goldenFileDir = "testdata/golden"
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type CmdTest struct {
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Name string
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Command string
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}
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func RunCmdTests(t *testing.T, tests []CmdTest) {
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t.Helper()
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for _, test := range tests {
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executeCmd(t, test.Command)
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}
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}
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func executeCmd(t *testing.T, command string) {
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var actual bytes.Buffer
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rootCmd := cmd.NewRootCmd(&actual)
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// TODO(howell): switch to shellwords (or similar)
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args := strings.Fields(command)
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rootCmd.SetArgs(args)
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rootCmd.Execute()
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goldenFilePath := filepath.Join(goldenFileDir, filepath.FromSlash(t.Name())+".golden")
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if *updateGolden {
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t.Logf("updating golden file: %s", goldenFilePath)
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if err := ioutil.WriteFile(goldenFilePath, actual.Bytes(), 0644); err != nil {
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t.Fatalf("failed to update golden file: %s", err)
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}
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return
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}
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golden, err := ioutil.ReadFile(goldenFilePath)
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if err != nil {
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t.Fatalf("failed while reading golden file: %s", err)
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}
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if !bytes.Equal(actual.Bytes(), golden) {
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errFmt := "output does not match golden file: %s\nEXPECTED:\n%s\nGOT:\n%s"
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t.Errorf(errFmt, goldenFilePath, string(golden), actual.String)
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}
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}
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func normalize(in []byte) []byte {
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return bytes.Replace(in, []byte("\r\n"), []byte("\n"), -1)
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}
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