[TESTS] prevent overriding testlogger when calling mainApp

(cherry picked from commit 5785ae72c75ea66cdadfc260d59084e0bb0bf0bb)

modules/testlogger/testlogger.go

@@ -128,6 +128,11 @@ func (w *testLoggerWriterCloser) recordError(msg string) {
 		err = w.errs[len(w.errs)-1]
 	}
 
+	if len(w.t) > 0 {
+		// format error message to easily add it to the ignore list
+		msg = fmt.Sprintf("// %s\n\t`%s`,", w.t[len(w.t)-1].Name(), msg)
+	}
+
 	err = errors.Join(err, errors.New(msg))
 
 	if len(w.errs) > 0 {

tests/integration/cmd_forgejo_actions_test.go

@@ -4,8 +4,11 @@ package integration
 
 import (
 	gocontext "context"
+	"errors"
+	"io"
 	"net/url"
 	"os"
+	"os/exec"
 	"strings"
 	"testing"
 
@@ -19,16 +22,18 @@ import (
 
 func Test_CmdForgejo_Actions(t *testing.T) {
 	onGiteaRun(t, func(*testing.T, *url.URL) {
-		token, err := cmdForgejoCaptureOutput(t, []string{"forgejo", "forgejo-cli", "actions", "generate-runner-token"})
+		token, err := runMainApp("forgejo-cli", "actions", "generate-runner-token")
 		assert.NoError(t, err)
 		assert.EqualValues(t, 40, len(token))
 
-		secret, err := cmdForgejoCaptureOutput(t, []string{"forgejo", "forgejo-cli", "actions", "generate-secret"})
+		secret, err := runMainApp("forgejo-cli", "actions", "generate-secret")
 		assert.NoError(t, err)
 		assert.EqualValues(t, 40, len(secret))
 
-		_, err = cmdForgejoCaptureOutput(t, []string{"forgejo", "forgejo-cli", "actions", "register"})
+		_, err = runMainApp("forgejo-cli", "actions", "register")
-		assert.ErrorContains(t, err, "at least one of the --secret")
+		var exitErr *exec.ExitError
+		assert.True(t, errors.As(err, &exitErr))
+		assert.Contains(t, string(exitErr.Stderr), "at least one of the --secret")
 
 		for _, testCase := range []struct {
 			testName     string
@@ -62,10 +67,12 @@ func Test_CmdForgejo_Actions(t *testing.T) {
 			},
 		} {
 			t.Run(testCase.testName, func(t *testing.T) {
-				cmd := []string{"forgejo", "forgejo-cli", "actions", "register", "--secret", testCase.secret, "--scope", testCase.scope}
+				output, err := runMainApp("forgejo-cli", "actions", "register", "--secret", testCase.secret, "--scope", testCase.scope)
-				output, err := cmdForgejoCaptureOutput(t, cmd)
-				assert.ErrorContains(t, err, testCase.errorMessage)
 				assert.EqualValues(t, "", output)
+
+				var exitErr *exec.ExitError
+				assert.True(t, errors.As(err, &exitErr))
+				assert.Contains(t, string(exitErr.Stderr), testCase.errorMessage)
 			})
 		}
 
@@ -75,7 +82,7 @@ func Test_CmdForgejo_Actions(t *testing.T) {
 		for _, testCase := range []struct {
 			testName     string
 			secretOption func() string
-			stdin        []string
+			stdin        io.Reader
 		}{
 			{
 				testName: "secret from argument",
@@ -88,7 +95,7 @@ func Test_CmdForgejo_Actions(t *testing.T) {
 				secretOption: func() string {
 					return "--secret-stdin"
 				},
-				stdin: []string{secret},
+				stdin: strings.NewReader(secret),
 			},
 			{
 				testName: "secret from file",
@@ -100,8 +107,7 @@ func Test_CmdForgejo_Actions(t *testing.T) {
 			},
 		} {
 			t.Run(testCase.testName, func(t *testing.T) {
-				cmd := []string{"forgejo", "forgejo-cli", "actions", "register", testCase.secretOption(), "--scope=org26"}
+				uuid, err := runMainAppWithStdin(testCase.stdin, "forgejo-cli", "actions", "register", testCase.secretOption(), "--scope=org26")
-				uuid, err := cmdForgejoCaptureOutput(t, cmd, testCase.stdin...)
 				assert.NoError(t, err)
 				assert.EqualValues(t, expecteduuid, uuid)
 			})
@@ -161,7 +167,7 @@ func Test_CmdForgejo_Actions(t *testing.T) {
 		} {
 			t.Run(testCase.testName, func(t *testing.T) {
 				cmd := []string{
-					"forgejo", "forgejo-cli", "actions", "register",
+					"actions", "register",
 					"--secret", testCase.secret, "--scope", testCase.scope,
 				}
 				if testCase.name != "" {
@@ -177,7 +183,7 @@ func Test_CmdForgejo_Actions(t *testing.T) {
 				// Run twice to verify it is idempotent
 				//
 				for i := 0; i < 2; i++ {
-					uuid, err := cmdForgejoCaptureOutput(t, cmd)
+					uuid, err := runMainApp("forgejo-cli", cmd...)
 					assert.NoError(t, err)
 					if assert.EqualValues(t, testCase.uuid, uuid) {
 						ownerName, repoName, found := strings.Cut(testCase.scope, "/")

tests/integration/cmd_forgejo_test.go

@@ -1,36 +0,0 @@
-// SPDX-License-Identifier: MIT
-
-package integration
-
-import (
-	"bytes"
-	"context"
-	"strings"
-	"testing"
-
-	"code.gitea.io/gitea/cmd/forgejo"
-
-	"github.com/urfave/cli/v2"
-)
-
-func cmdForgejoCaptureOutput(t *testing.T, args []string, stdin ...string) (string, error) {
-	buf := new(bytes.Buffer)
-
-	app := cli.NewApp()
-	app.Writer = buf
-	app.ErrWriter = buf
-	ctx := context.Background()
-	ctx = forgejo.ContextSetNoInit(ctx, true)
-	ctx = forgejo.ContextSetNoExit(ctx, true)
-	ctx = forgejo.ContextSetStdout(ctx, buf)
-	ctx = forgejo.ContextSetStderr(ctx, buf)
-	if len(stdin) > 0 {
-		ctx = forgejo.ContextSetStdin(ctx, strings.NewReader(strings.Join(stdin, "")))
-	}
-	app.Commands = []*cli.Command{
-		forgejo.CmdForgejo(ctx),
-	}
-	err := app.Run(args)
-
-	return buf.String(), err
-}

tests/integration/cmd_keys_test.go

@@ -4,16 +4,15 @@
 package integration
 
 import (
-	"bytes"
+	"errors"
 	"net/url"
+	"os/exec"
 	"testing"
 
-	"code.gitea.io/gitea/cmd"
 	"code.gitea.io/gitea/modules/setting"
 	"code.gitea.io/gitea/modules/util"
 
 	"github.com/stretchr/testify/assert"
-	"github.com/urfave/cli/v2"
 )
 
 func Test_CmdKeys(t *testing.T) {
@@ -24,30 +23,30 @@ func Test_CmdKeys(t *testing.T) {
 			wantErr        bool
 			expectedOutput string
 		}{
-			{"test_empty_1", []string{"keys", "--username=git", "--type=test", "--content=test"}, true, ""},
+			{"test_empty_1", []string{"--username=git", "--type=test", "--content=test"}, true, ""},
-			{"test_empty_2", []string{"keys", "-e", "git", "-u", "git", "-t", "test", "-k", "test"}, true, ""},
+			{"test_empty_2", []string{"-e", "git", "-u", "git", "-t", "test", "-k", "test"}, true, ""},
 			{
 				"with_key",
-				[]string{"keys", "-e", "git", "-u", "git", "-t", "ssh-rsa", "-k", "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"},
+				[]string{"-e", "git", "-u", "git", "-t", "ssh-rsa", "-k", "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"},
 				false,
 				"# gitea public key\ncommand=\"" + setting.AppPath + " --config=" + util.ShellEscape(setting.CustomConf) + " serv key-1\",no-port-forwarding,no-X11-forwarding,no-agent-forwarding,no-pty,no-user-rc,restrict ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABgQDWVj0fQ5N8wNc0LVNA41wDLYJ89ZIbejrPfg/avyj3u/ZohAKsQclxG4Ju0VirduBFF9EOiuxoiFBRr3xRpqzpsZtnMPkWVWb+akZwBFAx8p+jKdy4QXR/SZqbVobrGwip2UjSrri1CtBxpJikojRIZfCnDaMOyd9Jp6KkujvniFzUWdLmCPxUE9zhTaPu0JsEP7MW0m6yx7ZUhHyfss+NtqmFTaDO+QlMR7L2QkDliN2Jl3Xa3PhuWnKJfWhdAq1Cw4oraKUOmIgXLkuiuxVQ6mD3AiFupkmfqdHq6h+uHHmyQqv3gU+/sD8GbGAhf6ftqhTsXjnv1Aj4R8NoDf9BS6KRkzkeun5UisSzgtfQzjOMEiJtmrep2ZQrMGahrXa+q4VKr0aKJfm+KlLfwm/JztfsBcqQWNcTURiCFqz+fgZw0Ey/de0eyMzldYTdXXNRYCKjs9bvBK+6SSXRM7AhftfQ0ZuoW5+gtinPrnmoOaSCEJbAiEiTO/BzOHgowiM= user2@localhost\n",
 			},
-			{"invalid", []string{"keys", "--not-a-flag=git"}, true, "Incorrect Usage: flag provided but not defined: -not-a-flag\n\n"},
+			{"invalid", []string{"--not-a-flag=git"}, true, "Incorrect Usage: flag provided but not defined: -not-a-flag\n\n"},
 		}
 		for _, tt := range tests {
 			t.Run(tt.name, func(t *testing.T) {
-				out := new(bytes.Buffer)
+				out, err := runMainApp("keys", tt.args...)
-				app := cli.NewApp()
+
-				app.Writer = out
+				var exitErr *exec.ExitError
-				app.Commands = []*cli.Command{cmd.CmdKeys}
+				if errors.As(err, &exitErr) {
-				cmd.CmdKeys.HideHelp = true
+					t.Log(string(exitErr.Stderr))
-				err := app.Run(append([]string{"prog"}, tt.args...))
+				}
 				if tt.wantErr {
 					assert.Error(t, err)
 				} else {
 					assert.NoError(t, err)
 				}
-				assert.Equal(t, tt.expectedOutput, out.String())
+				assert.Equal(t, tt.expectedOutput, out)
 			})
 		}
 	})

tests/integration/integration_test.go

@@ -17,6 +17,7 @@ import (
 	"net/http/httptest"
 	"net/url"
 	"os"
+	"os/exec"
 	"path/filepath"
 	"strconv"
 	"strings"
@@ -24,6 +25,7 @@ import (
 	"testing"
 	"time"
 
+	"code.gitea.io/gitea/cmd"
 	"code.gitea.io/gitea/models/auth"
 	"code.gitea.io/gitea/models/db"
 	repo_model "code.gitea.io/gitea/models/repo"
@@ -93,7 +95,43 @@ func NewNilResponseHashSumRecorder() *NilResponseHashSumRecorder {
 	}
 }
 
+// runMainApp runs the subcommand and returns its standard output. Any returned error will usually be of type *ExitError. If c.Stderr was nil, Output populates ExitError.Stderr.
+func runMainApp(subcommand string, args ...string) (string, error) {
+	return runMainAppWithStdin(nil, subcommand, args...)
+}
+
+// runMainAppWithStdin runs the subcommand and returns its standard output. Any returned error will usually be of type *ExitError. If c.Stderr was nil, Output populates ExitError.Stderr.
+func runMainAppWithStdin(stdin io.Reader, subcommand string, args ...string) (string, error) {
+	// running the main app directly will very likely mess with the testing setup (logger & co.)
+	// hence we run it as a subprocess and capture its output
+	args = append([]string{subcommand}, args...)
+	cmd := exec.Command(os.Args[0], args...)
+	cmd.Env = append(os.Environ(),
+		"GITEA_TEST_CLI=true",
+		"GITEA_CONF="+setting.CustomConf,
+		"GITEA_WORK_DIR="+setting.AppWorkPath)
+	cmd.Stdin = stdin
+	out, err := cmd.Output()
+	return string(out), err
+}
+
 func TestMain(m *testing.M) {
+	// GITEA_TEST_CLI is set by runMainAppWithStdin
+	// inspired by https://abhinavg.net/2022/05/15/hijack-testmain/
+	if testCLI := os.Getenv("GITEA_TEST_CLI"); testCLI == "true" {
+		app := cmd.NewMainApp("test-version", "integration-test")
+		args := append([]string{
+			"executable-name", // unused, but expected at position 1
+			"--config", os.Getenv("GITEA_CONF"),
+		},
+			os.Args[1:]..., // skip the executable name
+		)
+		if err := cmd.RunMainApp(app, args...); err != nil {
+			panic(err) // should never happen since RunMainApp exits on error
+		}
+		return
+	}
+
 	defer log.GetManager().Close()
 
 	managerCtx, cancel := context.WithCancel(context.Background())