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Diffstat (limited to 'misc/cgo/testplugin/plugin_test.go')
-rw-r--r--misc/cgo/testplugin/plugin_test.go342
1 files changed, 342 insertions, 0 deletions
diff --git a/misc/cgo/testplugin/plugin_test.go b/misc/cgo/testplugin/plugin_test.go
new file mode 100644
index 0000000..2856810
--- /dev/null
+++ b/misc/cgo/testplugin/plugin_test.go
@@ -0,0 +1,342 @@
+// Copyright 2019 The Go 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 plugin_test
+
+import (
+ "bytes"
+ "context"
+ "flag"
+ "fmt"
+ "log"
+ "os"
+ "os/exec"
+ "path/filepath"
+ "strings"
+ "testing"
+ "time"
+)
+
+var gcflags string = os.Getenv("GO_GCFLAGS")
+var goroot string
+
+func TestMain(m *testing.M) {
+ flag.Parse()
+ if testing.Short() && os.Getenv("GO_BUILDER_NAME") == "" {
+ fmt.Printf("SKIP - short mode and $GO_BUILDER_NAME not set\n")
+ os.Exit(0)
+ }
+ log.SetFlags(log.Lshortfile)
+ os.Exit(testMain(m))
+}
+
+// tmpDir is used to cleanup logged commands -- s/tmpDir/$TMPDIR/
+var tmpDir string
+
+// prettyPrintf prints lines with tmpDir sanitized.
+func prettyPrintf(format string, args ...interface{}) {
+ s := fmt.Sprintf(format, args...)
+ if tmpDir != "" {
+ s = strings.ReplaceAll(s, tmpDir, "$TMPDIR")
+ }
+ fmt.Print(s)
+}
+
+func testMain(m *testing.M) int {
+ cwd, err := os.Getwd()
+ if err != nil {
+ log.Fatal(err)
+ }
+ goroot = filepath.Join(cwd, "../../..")
+
+ // Copy testdata into GOPATH/src/testplugin, along with a go.mod file
+ // declaring the same path.
+
+ GOPATH, err := os.MkdirTemp("", "plugin_test")
+ if err != nil {
+ log.Panic(err)
+ }
+ defer os.RemoveAll(GOPATH)
+ tmpDir = GOPATH
+
+ modRoot := filepath.Join(GOPATH, "src", "testplugin")
+ altRoot := filepath.Join(GOPATH, "alt", "src", "testplugin")
+ for srcRoot, dstRoot := range map[string]string{
+ "testdata": modRoot,
+ filepath.Join("altpath", "testdata"): altRoot,
+ } {
+ if err := overlayDir(dstRoot, srcRoot); err != nil {
+ log.Panic(err)
+ }
+ prettyPrintf("mkdir -p %s\n", dstRoot)
+ prettyPrintf("rsync -a %s/ %s\n", srcRoot, dstRoot)
+
+ if err := os.WriteFile(filepath.Join(dstRoot, "go.mod"), []byte("module testplugin\n"), 0666); err != nil {
+ log.Panic(err)
+ }
+ prettyPrintf("echo 'module testplugin' > %s/go.mod\n", dstRoot)
+ }
+
+ os.Setenv("GOPATH", filepath.Join(GOPATH, "alt"))
+ if err := os.Chdir(altRoot); err != nil {
+ log.Panic(err)
+ } else {
+ prettyPrintf("cd %s\n", altRoot)
+ }
+ os.Setenv("PWD", altRoot)
+ goCmd(nil, "build", "-buildmode=plugin", "-o", filepath.Join(modRoot, "plugin-mismatch.so"), "./plugin-mismatch")
+
+ os.Setenv("GOPATH", GOPATH)
+ if err := os.Chdir(modRoot); err != nil {
+ log.Panic(err)
+ } else {
+ prettyPrintf("cd %s\n", modRoot)
+ }
+ os.Setenv("PWD", modRoot)
+
+ os.Setenv("LD_LIBRARY_PATH", modRoot)
+
+ goCmd(nil, "build", "-buildmode=plugin", "./plugin1")
+ goCmd(nil, "build", "-buildmode=plugin", "./plugin2")
+ so, err := os.ReadFile("plugin2.so")
+ if err != nil {
+ log.Panic(err)
+ }
+ if err := os.WriteFile("plugin2-dup.so", so, 0444); err != nil {
+ log.Panic(err)
+ }
+ prettyPrintf("cp plugin2.so plugin2-dup.so\n")
+
+ goCmd(nil, "build", "-buildmode=plugin", "-o=sub/plugin1.so", "./sub/plugin1")
+ goCmd(nil, "build", "-buildmode=plugin", "-o=unnamed1.so", "./unnamed1/main.go")
+ goCmd(nil, "build", "-buildmode=plugin", "-o=unnamed2.so", "./unnamed2/main.go")
+ goCmd(nil, "build", "-o", "host.exe", "./host")
+
+ return m.Run()
+}
+
+func goCmd(t *testing.T, op string, args ...string) {
+ if t != nil {
+ t.Helper()
+ }
+ run(t, filepath.Join(goroot, "bin", "go"), append([]string{op, "-gcflags", gcflags}, args...)...)
+}
+
+// escape converts a string to something suitable for a shell command line.
+func escape(s string) string {
+ s = strings.Replace(s, "\\", "\\\\", -1)
+ s = strings.Replace(s, "'", "\\'", -1)
+ // Conservative guess at characters that will force quoting
+ if s == "" || strings.ContainsAny(s, "\\ ;#*&$~?!|[]()<>{}`") {
+ s = "'" + s + "'"
+ }
+ return s
+}
+
+// asCommandLine renders cmd as something that could be copy-and-pasted into a command line
+func asCommandLine(cwd string, cmd *exec.Cmd) string {
+ s := "("
+ if cmd.Dir != "" && cmd.Dir != cwd {
+ s += "cd" + escape(cmd.Dir) + ";"
+ }
+ for _, e := range cmd.Env {
+ if !strings.HasPrefix(e, "PATH=") &&
+ !strings.HasPrefix(e, "HOME=") &&
+ !strings.HasPrefix(e, "USER=") &&
+ !strings.HasPrefix(e, "SHELL=") {
+ s += " "
+ s += escape(e)
+ }
+ }
+ // These EVs are relevant to this test.
+ for _, e := range os.Environ() {
+ if strings.HasPrefix(e, "PWD=") ||
+ strings.HasPrefix(e, "GOPATH=") ||
+ strings.HasPrefix(e, "LD_LIBRARY_PATH=") {
+ s += " "
+ s += escape(e)
+ }
+ }
+ for _, a := range cmd.Args {
+ s += " "
+ s += escape(a)
+ }
+ s += " )"
+ return s
+}
+
+func run(t *testing.T, bin string, args ...string) string {
+ cmd := exec.Command(bin, args...)
+ cmdLine := asCommandLine(".", cmd)
+ prettyPrintf("%s\n", cmdLine)
+ cmd.Stderr = new(strings.Builder)
+ out, err := cmd.Output()
+ if err != nil {
+ if t == nil {
+ log.Panicf("%s: %v\n%s", strings.Join(cmd.Args, " "), err, cmd.Stderr)
+ } else {
+ t.Helper()
+ t.Fatalf("%s: %v\n%s", strings.Join(cmd.Args, " "), err, cmd.Stderr)
+ }
+ }
+
+ return string(bytes.TrimSpace(out))
+}
+
+func TestDWARFSections(t *testing.T) {
+ // test that DWARF sections are emitted for plugins and programs importing "plugin"
+ goCmd(t, "run", "./checkdwarf/main.go", "plugin2.so", "plugin2.UnexportedNameReuse")
+ goCmd(t, "run", "./checkdwarf/main.go", "./host.exe", "main.main")
+}
+
+func TestRunHost(t *testing.T) {
+ run(t, "./host.exe")
+}
+
+func TestUniqueTypesAndItabs(t *testing.T) {
+ goCmd(t, "build", "-buildmode=plugin", "./iface_a")
+ goCmd(t, "build", "-buildmode=plugin", "./iface_b")
+ goCmd(t, "build", "-o", "iface.exe", "./iface")
+ run(t, "./iface.exe")
+}
+
+func TestIssue18676(t *testing.T) {
+ // make sure we don't add the same itab twice.
+ // The buggy code hangs forever, so use a timeout to check for that.
+ goCmd(t, "build", "-buildmode=plugin", "-o", "plugin.so", "./issue18676/plugin.go")
+ goCmd(t, "build", "-o", "issue18676.exe", "./issue18676/main.go")
+
+ ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+ defer cancel()
+ cmd := exec.CommandContext(ctx, "./issue18676.exe")
+ out, err := cmd.CombinedOutput()
+ if err != nil {
+ t.Fatalf("%s: %v\n%s", strings.Join(cmd.Args, " "), err, out)
+ }
+}
+
+func TestIssue19534(t *testing.T) {
+ // Test that we can load a plugin built in a path with non-alpha characters.
+ goCmd(t, "build", "-buildmode=plugin", "-gcflags=-p=issue.19534", "-ldflags=-pluginpath=issue.19534", "-o", "plugin.so", "./issue19534/plugin.go")
+ goCmd(t, "build", "-o", "issue19534.exe", "./issue19534/main.go")
+ run(t, "./issue19534.exe")
+}
+
+func TestIssue18584(t *testing.T) {
+ goCmd(t, "build", "-buildmode=plugin", "-o", "plugin.so", "./issue18584/plugin.go")
+ goCmd(t, "build", "-o", "issue18584.exe", "./issue18584/main.go")
+ run(t, "./issue18584.exe")
+}
+
+func TestIssue19418(t *testing.T) {
+ goCmd(t, "build", "-buildmode=plugin", "-ldflags=-X main.Val=linkstr", "-o", "plugin.so", "./issue19418/plugin.go")
+ goCmd(t, "build", "-o", "issue19418.exe", "./issue19418/main.go")
+ run(t, "./issue19418.exe")
+}
+
+func TestIssue19529(t *testing.T) {
+ goCmd(t, "build", "-buildmode=plugin", "-o", "plugin.so", "./issue19529/plugin.go")
+}
+
+func TestIssue22175(t *testing.T) {
+ goCmd(t, "build", "-buildmode=plugin", "-o", "issue22175_plugin1.so", "./issue22175/plugin1.go")
+ goCmd(t, "build", "-buildmode=plugin", "-o", "issue22175_plugin2.so", "./issue22175/plugin2.go")
+ goCmd(t, "build", "-o", "issue22175.exe", "./issue22175/main.go")
+ run(t, "./issue22175.exe")
+}
+
+func TestIssue22295(t *testing.T) {
+ goCmd(t, "build", "-buildmode=plugin", "-o", "issue.22295.so", "./issue22295.pkg")
+ goCmd(t, "build", "-o", "issue22295.exe", "./issue22295.pkg/main.go")
+ run(t, "./issue22295.exe")
+}
+
+func TestIssue24351(t *testing.T) {
+ goCmd(t, "build", "-buildmode=plugin", "-o", "issue24351.so", "./issue24351/plugin.go")
+ goCmd(t, "build", "-o", "issue24351.exe", "./issue24351/main.go")
+ run(t, "./issue24351.exe")
+}
+
+func TestIssue25756(t *testing.T) {
+ goCmd(t, "build", "-buildmode=plugin", "-o", "life.so", "./issue25756/plugin")
+ goCmd(t, "build", "-o", "issue25756.exe", "./issue25756/main.go")
+ // Fails intermittently, but 20 runs should cause the failure
+ for n := 20; n > 0; n-- {
+ t.Run(fmt.Sprint(n), func(t *testing.T) {
+ t.Parallel()
+ run(t, "./issue25756.exe")
+ })
+ }
+}
+
+// Test with main using -buildmode=pie with plugin for issue #43228
+func TestIssue25756pie(t *testing.T) {
+ goCmd(t, "build", "-buildmode=plugin", "-o", "life.so", "./issue25756/plugin")
+ goCmd(t, "build", "-buildmode=pie", "-o", "issue25756pie.exe", "./issue25756/main.go")
+ run(t, "./issue25756pie.exe")
+}
+
+func TestMethod(t *testing.T) {
+ // Exported symbol's method must be live.
+ goCmd(t, "build", "-buildmode=plugin", "-o", "plugin.so", "./method/plugin.go")
+ goCmd(t, "build", "-o", "method.exe", "./method/main.go")
+ run(t, "./method.exe")
+}
+
+func TestMethod2(t *testing.T) {
+ goCmd(t, "build", "-buildmode=plugin", "-o", "method2.so", "./method2/plugin.go")
+ goCmd(t, "build", "-o", "method2.exe", "./method2/main.go")
+ run(t, "./method2.exe")
+}
+
+func TestMethod3(t *testing.T) {
+ goCmd(t, "build", "-buildmode=plugin", "-o", "method3.so", "./method3/plugin.go")
+ goCmd(t, "build", "-o", "method3.exe", "./method3/main.go")
+ run(t, "./method3.exe")
+}
+
+func TestIssue44956(t *testing.T) {
+ goCmd(t, "build", "-buildmode=plugin", "-o", "issue44956p1.so", "./issue44956/plugin1.go")
+ goCmd(t, "build", "-buildmode=plugin", "-o", "issue44956p2.so", "./issue44956/plugin2.go")
+ goCmd(t, "build", "-o", "issue44956.exe", "./issue44956/main.go")
+ run(t, "./issue44956.exe")
+}
+
+func TestIssue52937(t *testing.T) {
+ goCmd(t, "build", "-buildmode=plugin", "-o", "issue52937.so", "./issue52937/main.go")
+}
+
+func TestIssue53989(t *testing.T) {
+ goCmd(t, "build", "-buildmode=plugin", "-o", "issue53989.so", "./issue53989/plugin.go")
+ goCmd(t, "build", "-o", "issue53989.exe", "./issue53989/main.go")
+ run(t, "./issue53989.exe")
+}
+
+func TestForkExec(t *testing.T) {
+ // Issue 38824: importing the plugin package causes it hang in forkExec on darwin.
+
+ t.Parallel()
+ goCmd(t, "build", "-o", "forkexec.exe", "./forkexec/main.go")
+
+ var cmd *exec.Cmd
+ done := make(chan int, 1)
+
+ go func() {
+ for i := 0; i < 100; i++ {
+ cmd = exec.Command("./forkexec.exe", "1")
+ err := cmd.Run()
+ if err != nil {
+ t.Errorf("running command failed: %v", err)
+ break
+ }
+ }
+ done <- 1
+ }()
+ select {
+ case <-done:
+ case <-time.After(5 * time.Minute):
+ cmd.Process.Kill()
+ t.Fatalf("subprocess hang")
+ }
+}