diff options
Diffstat (limited to 'compiler_wrapper/env_test.go')
| -rw-r--r-- | compiler_wrapper/env_test.go | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/compiler_wrapper/env_test.go b/compiler_wrapper/env_test.go deleted file mode 100644 index 8580d4aa..00000000 --- a/compiler_wrapper/env_test.go +++ /dev/null @@ -1,215 +0,0 @@ -// Copyright 2019 The Chromium OS Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -package main - -import ( - "bytes" - "flag" - "os" - "os/exec" - "path/filepath" - "strings" - "testing" -) - -// Attention: The tests in this file execute the test binary again with the `-run` flag. -// This is needed as they want to test an `exec`, which terminates the test process. -var internalexececho = flag.Bool("internalexececho", false, "internal flag used for tests that exec") - -func TestProcessEnvExecPathAndArgs(t *testing.T) { - withTestContext(t, func(ctx *testContext) { - if *internalexececho { - execEcho(ctx, &command{ - Path: "some_binary", - Args: []string{"arg1", "arg2"}, - }) - return - } - logLines := forkAndReadEcho(ctx) - if !strings.HasSuffix(logLines[0], "/some_binary arg1 arg2") { - t.Errorf("incorrect path or args: %s", logLines[0]) - } - }) -} - -func TestProcessEnvExecAddEnv(t *testing.T) { - withTestContext(t, func(ctx *testContext) { - if *internalexececho { - execEcho(ctx, &command{ - Path: "some_binary", - EnvUpdates: []string{"ABC=xyz"}, - }) - return - } - - logLines := forkAndReadEcho(ctx) - for _, ll := range logLines { - if ll == "ABC=xyz" { - return - } - } - t.Errorf("could not find new env variable: %s", logLines) - }) -} - -func TestProcessEnvExecUpdateEnv(t *testing.T) { - if os.Getenv("PATH") == "" { - t.Fatal("no PATH environment variable found!") - } - withTestContext(t, func(ctx *testContext) { - if *internalexececho { - execEcho(ctx, &command{ - Path: "some_binary", - EnvUpdates: []string{"PATH=xyz"}, - }) - return - } - logLines := forkAndReadEcho(ctx) - for _, ll := range logLines { - if ll == "PATH=xyz" { - return - } - } - t.Errorf("could not find updated env variable: %s", logLines) - }) -} - -func TestProcessEnvExecDeleteEnv(t *testing.T) { - if os.Getenv("PATH") == "" { - t.Fatal("no PATH environment variable found!") - } - withTestContext(t, func(ctx *testContext) { - if *internalexececho { - execEcho(ctx, &command{ - Path: "some_binary", - EnvUpdates: []string{"PATH="}, - }) - return - } - logLines := forkAndReadEcho(ctx) - for _, ll := range logLines { - if strings.HasPrefix(ll, "PATH=") { - t.Errorf("path env was not removed: %s", ll) - } - } - }) -} - -func TestProcessEnvRunCmdPathAndArgs(t *testing.T) { - withTestContext(t, func(ctx *testContext) { - cmd := &command{ - Path: "some_binary", - Args: []string{"arg1", "arg2"}, - } - logLines := runAndEcho(ctx, cmd) - if !strings.HasSuffix(logLines[0], "/some_binary arg1 arg2") { - t.Errorf("incorrect path or args: %s", logLines[0]) - } - }) -} - -func TestProcessEnvRunCmdAddEnv(t *testing.T) { - withTestContext(t, func(ctx *testContext) { - cmd := &command{ - Path: "some_binary", - EnvUpdates: []string{"ABC=xyz"}, - } - logLines := runAndEcho(ctx, cmd) - for _, ll := range logLines { - if ll == "ABC=xyz" { - return - } - } - t.Errorf("could not find new env variable: %s", logLines) - }) -} - -func TestProcessEnvRunCmdUpdateEnv(t *testing.T) { - withTestContext(t, func(ctx *testContext) { - if os.Getenv("PATH") == "" { - t.Fatal("no PATH environment variable found!") - } - cmd := &command{ - Path: "some_binary", - EnvUpdates: []string{"PATH=xyz"}, - } - logLines := runAndEcho(ctx, cmd) - for _, ll := range logLines { - if ll == "PATH=xyz" { - return - } - } - t.Errorf("could not find updated env variable: %s", logLines) - }) -} - -func TestProcessEnvRunCmdDeleteEnv(t *testing.T) { - withTestContext(t, func(ctx *testContext) { - if os.Getenv("PATH") == "" { - t.Fatal("no PATH environment variable found!") - } - cmd := &command{ - Path: "some_binary", - EnvUpdates: []string{"PATH="}, - } - logLines := runAndEcho(ctx, cmd) - for _, ll := range logLines { - if strings.HasPrefix(ll, "PATH=") { - t.Errorf("path env was not removed: %s", ll) - } - } - }) -} - -func execEcho(ctx *testContext, cmd *command) { - env := &processEnv{} - err := env.exec(createEcho(ctx, cmd)) - if err != nil { - os.Stderr.WriteString(err.Error()) - } - os.Exit(1) -} - -func forkAndReadEcho(ctx *testContext) []string { - testBin, err := os.Executable() - if err != nil { - ctx.t.Fatalf("unable to read the executable: %s", err) - } - - subCmd := exec.Command(testBin, "-internalexececho", "-test.run="+ctx.t.Name()) - output, err := subCmd.CombinedOutput() - if err != nil { - ctx.t.Fatalf("error calling test binary again for exec: %s", err) - } - return strings.Split(string(output), "\n") -} - -func runAndEcho(ctx *testContext, cmd *command) []string { - env, err := newProcessEnv() - if err != nil { - ctx.t.Fatalf("creation of process env failed: %s", err) - } - buffer := bytes.Buffer{} - if err := env.run(createEcho(ctx, cmd), nil, &buffer, &buffer); err != nil { - ctx.t.Fatalf("run failed: %s", err) - } - return strings.Split(buffer.String(), "\n") -} - -func createEcho(ctx *testContext, cmd *command) *command { - content := ` -/bin/echo "$0" "$@" -/usr/bin/env -` - fullPath := filepath.Join(ctx.tempDir, cmd.Path) - ctx.writeFile(fullPath, content) - // Note: Using a self executable wrapper does not work due to a race condition - // on unix systems. See https://github.com/golang/go/issues/22315 - return &command{ - Path: "bash", - Args: append([]string{fullPath}, cmd.Args...), - EnvUpdates: cmd.EnvUpdates, - } -} |