Adding upstream version 9.0.3.

Signed-off-by: Daniel Baumann <daniel@debian.org>

1 files changed, 179 insertions, 0 deletions

diff --git a/cmd/main_test.go b/cmd/main_test.go
new file mode 100644
index 0000000..432f2b9
--- /dev/null
+++ b/cmd/main_test.go
@@ -0,0 +1,179 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package cmd
+
+import (
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+
+	"code.gitea.io/gitea/models/unittest"
+	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/modules/test"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"github.com/urfave/cli/v2"
+)
+
+func TestMain(m *testing.M) {
+	unittest.MainTest(m)
+}
+
+func makePathOutput(workPath, customPath, customConf string) string {
+	return fmt.Sprintf("WorkPath=%s\nCustomPath=%s\nCustomConf=%s", workPath, customPath, customConf)
+}
+
+func newTestApp(testCmdAction func(ctx *cli.Context) error) *cli.App {
+	app := NewMainApp("version", "version-extra")
+	testCmd := &cli.Command{Name: "test-cmd", Action: testCmdAction}
+	prepareSubcommandWithConfig(testCmd, appGlobalFlags())
+	app.Commands = append(app.Commands, testCmd)
+	app.DefaultCommand = testCmd.Name
+	return app
+}
+
+type runResult struct {
+	Stdout   string
+	Stderr   string
+	ExitCode int
+}
+
+func runTestApp(app *cli.App, args ...string) (runResult, error) {
+	outBuf := new(strings.Builder)
+	errBuf := new(strings.Builder)
+	app.Writer = outBuf
+	app.ErrWriter = errBuf
+	exitCode := -1
+	defer test.MockVariableValue(&cli.ErrWriter, app.ErrWriter)()
+	defer test.MockVariableValue(&cli.OsExiter, func(code int) {
+		if exitCode == -1 {
+			exitCode = code // save the exit code once and then reset the writer (to simulate the exit)
+			app.Writer, app.ErrWriter, cli.ErrWriter = io.Discard, io.Discard, io.Discard
+		}
+	})()
+	err := RunMainApp(app, args...)
+	return runResult{outBuf.String(), errBuf.String(), exitCode}, err
+}
+
+func TestCliCmd(t *testing.T) {
+	defaultWorkPath := filepath.Dir(setting.AppPath)
+	defaultCustomPath := filepath.Join(defaultWorkPath, "custom")
+	defaultCustomConf := filepath.Join(defaultCustomPath, "conf/app.ini")
+
+	cli.CommandHelpTemplate = "(command help template)"
+	cli.AppHelpTemplate = "(app help template)"
+	cli.SubcommandHelpTemplate = "(subcommand help template)"
+
+	cases := []struct {
+		env map[string]string
+		cmd string
+		exp string
+	}{
+		// main command help
+		{
+			cmd: "./gitea help",
+			exp: "DEFAULT CONFIGURATION:",
+		},
+
+		// parse paths
+		{
+			cmd: "./gitea test-cmd",
+			exp: makePathOutput(defaultWorkPath, defaultCustomPath, defaultCustomConf),
+		},
+		{
+			cmd: "./gitea -c /tmp/app.ini test-cmd",
+			exp: makePathOutput(defaultWorkPath, defaultCustomPath, "/tmp/app.ini"),
+		},
+		{
+			cmd: "./gitea test-cmd -c /tmp/app.ini",
+			exp: makePathOutput(defaultWorkPath, defaultCustomPath, "/tmp/app.ini"),
+		},
+		{
+			env: map[string]string{"GITEA_WORK_DIR": "/tmp"},
+			cmd: "./gitea test-cmd",
+			exp: makePathOutput("/tmp", "/tmp/custom", "/tmp/custom/conf/app.ini"),
+		},
+		{
+			env: map[string]string{"GITEA_WORK_DIR": "/tmp"},
+			cmd: "./gitea test-cmd --work-path /tmp/other",
+			exp: makePathOutput("/tmp/other", "/tmp/other/custom", "/tmp/other/custom/conf/app.ini"),
+		},
+		{
+			env: map[string]string{"GITEA_WORK_DIR": "/tmp"},
+			cmd: "./gitea test-cmd --config /tmp/app-other.ini",
+			exp: makePathOutput("/tmp", "/tmp/custom", "/tmp/app-other.ini"),
+		},
+	}
+
+	app := newTestApp(func(ctx *cli.Context) error {
+		_, _ = fmt.Fprint(ctx.App.Writer, makePathOutput(setting.AppWorkPath, setting.CustomPath, setting.CustomConf))
+		return nil
+	})
+	var envBackup []string
+	for _, s := range os.Environ() {
+		if strings.HasPrefix(s, "GITEA_") && strings.Contains(s, "=") {
+			envBackup = append(envBackup, s)
+		}
+	}
+	clearGiteaEnv := func() {
+		for _, s := range os.Environ() {
+			if strings.HasPrefix(s, "GITEA_") {
+				_ = os.Unsetenv(s)
+			}
+		}
+	}
+	defer func() {
+		clearGiteaEnv()
+		for _, s := range envBackup {
+			k, v, _ := strings.Cut(s, "=")
+			_ = os.Setenv(k, v)
+		}
+	}()
+
+	for _, c := range cases {
+		clearGiteaEnv()
+		for k, v := range c.env {
+			_ = os.Setenv(k, v)
+		}
+		args := strings.Split(c.cmd, " ") // for test only, "split" is good enough
+		r, err := runTestApp(app, args...)
+		require.NoError(t, err, c.cmd)
+		assert.NotEmpty(t, c.exp, c.cmd)
+		assert.Contains(t, r.Stdout, c.exp, c.cmd)
+	}
+}
+
+func TestCliCmdError(t *testing.T) {
+	app := newTestApp(func(ctx *cli.Context) error { return fmt.Errorf("normal error") })
+	r, err := runTestApp(app, "./gitea", "test-cmd")
+	require.Error(t, err)
+	assert.Equal(t, 1, r.ExitCode)
+	assert.Equal(t, "", r.Stdout)
+	assert.Equal(t, "Command error: normal error\n", r.Stderr)
+
+	app = newTestApp(func(ctx *cli.Context) error { return cli.Exit("exit error", 2) })
+	r, err = runTestApp(app, "./gitea", "test-cmd")
+	require.Error(t, err)
+	assert.Equal(t, 2, r.ExitCode)
+	assert.Equal(t, "", r.Stdout)
+	assert.Equal(t, "exit error\n", r.Stderr)
+
+	app = newTestApp(func(ctx *cli.Context) error { return nil })
+	r, err = runTestApp(app, "./gitea", "test-cmd", "--no-such")
+	require.Error(t, err)
+	assert.Equal(t, 1, r.ExitCode)
+	assert.Equal(t, "Incorrect Usage: flag provided but not defined: -no-such\n\n", r.Stdout)
+	assert.Equal(t, "", r.Stderr) // the cli package's strange behavior, the error message is not in stderr ....
+
+	app = newTestApp(func(ctx *cli.Context) error { return nil })
+	r, err = runTestApp(app, "./gitea", "test-cmd")
+	require.NoError(t, err)
+	assert.Equal(t, -1, r.ExitCode) // the cli.OsExiter is not called
+	assert.Equal(t, "", r.Stdout)
+	assert.Equal(t, "", r.Stderr)
+}