fa431b377d
Backport #26346 Follow the CLI refactoring, and add tests.
84 lines
2.6 KiB
Go
84 lines
2.6 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package cmd
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import (
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"fmt"
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"io"
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"strings"
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"testing"
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"code.gitea.io/gitea/models/unittest"
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"code.gitea.io/gitea/modules/test"
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"github.com/stretchr/testify/assert"
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"github.com/urfave/cli"
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)
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func TestMain(m *testing.M) {
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unittest.MainTest(m, &unittest.TestOptions{
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GiteaRootPath: "..",
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})
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}
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func newTestApp(testCmdAction func(ctx *cli.Context) error) *cli.App {
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app := cli.NewApp()
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app.HelpName = "gitea"
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testCmd := cli.Command{Name: "test-cmd", Action: testCmdAction}
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app.Commands = append(app.Commands, testCmd)
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return app
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}
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type runResult struct {
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Stdout string
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Stderr string
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ExitCode int
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}
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func runTestApp(app *cli.App, args ...string) (runResult, error) {
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outBuf := new(strings.Builder)
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errBuf := new(strings.Builder)
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app.Writer = outBuf
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app.ErrWriter = errBuf
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exitCode := -1
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defer test.MockVariableValue(&cli.ErrWriter, app.ErrWriter)()
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defer test.MockVariableValue(&cli.OsExiter, func(code int) {
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if exitCode == -1 {
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exitCode = code // save the exit code once and then reset the writer (to simulate the exit)
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app.Writer, app.ErrWriter, cli.ErrWriter = io.Discard, io.Discard, io.Discard
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}
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})()
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err := RunMainApp(app, args...)
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return runResult{outBuf.String(), errBuf.String(), exitCode}, err
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}
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func TestCliCmdError(t *testing.T) {
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app := newTestApp(func(ctx *cli.Context) error { return fmt.Errorf("normal error") })
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r, err := runTestApp(app, "./gitea", "test-cmd")
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assert.Error(t, err)
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assert.Equal(t, 1, r.ExitCode)
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assert.Equal(t, "", r.Stdout)
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assert.Equal(t, "Command error: normal error\n", r.Stderr)
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app = newTestApp(func(ctx *cli.Context) error { return cli.NewExitError("exit error", 2) })
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r, err = runTestApp(app, "./gitea", "test-cmd")
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assert.Error(t, err)
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assert.Equal(t, 2, r.ExitCode)
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assert.Equal(t, "", r.Stdout)
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assert.Equal(t, "exit error\n", r.Stderr)
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app = newTestApp(func(ctx *cli.Context) error { return nil })
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r, err = runTestApp(app, "./gitea", "test-cmd", "--no-such")
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assert.Error(t, err)
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assert.Equal(t, 1, r.ExitCode)
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assert.EqualValues(t, "Incorrect Usage: flag provided but not defined: -no-such\n\nNAME:\n gitea test-cmd - \n\nUSAGE:\n gitea test-cmd [arguments...]\n", r.Stdout)
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assert.Equal(t, "", r.Stderr) // the cli package's strange behavior, the error message is not in stderr ....
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app = newTestApp(func(ctx *cli.Context) error { return nil })
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r, err = runTestApp(app, "./gitea", "test-cmd")
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assert.NoError(t, err)
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assert.Equal(t, -1, r.ExitCode) // the cli.OsExiter is not called
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assert.Equal(t, "", r.Stdout)
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assert.Equal(t, "", r.Stderr)
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}
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