Stop depending on go_binary targets.

Closes #3374

PiperOrigin-RevId: 334505627

10 files changed, 131 insertions, 103 deletions

diff --git a/test/runtimes/proctor/BUILD b/test/runtimes/proctor/BUILD
index d1935cbe8..f66371265 100644
--- a/test/runtimes/proctor/BUILD
+++ b/test/runtimes/proctor/BUILD
@@ -1,29 +1,10 @@
-load("//tools:defs.bzl", "go_binary", "go_test")
+load("//tools:defs.bzl", "go_binary")
 
 package(licenses = ["notice"])
 
 go_binary(
     name = "proctor",
-    srcs = [
-        "go.go",
-        "java.go",
-        "nodejs.go",
-        "php.go",
-        "proctor.go",
-        "python.go",
-    ],
-    pure = True,
+    srcs = ["main.go"],
     visibility = ["//test/runtimes:__pkg__"],
-)
-
-go_test(
-    name = "proctor_test",
-    size = "small",
-    srcs = ["proctor_test.go"],
-    library = ":proctor",
-    nogo = False,  # FIXME(gvisor.dev/issue/3374): Not working with all build systems.
-    pure = True,
-    deps = [
-        "//pkg/test/testutil",
-    ],
+    deps = ["//test/runtimes/proctor/lib"],
 )
diff --git a/test/runtimes/proctor/lib/BUILD b/test/runtimes/proctor/lib/BUILD
new file mode 100644
index 000000000..0c8367dfe
--- /dev/null
+++ b/test/runtimes/proctor/lib/BUILD
@@ -0,0 +1,24 @@
+load("//tools:defs.bzl", "go_library", "go_test")
+
+package(licenses = ["notice"])
+
+go_library(
+    name = "lib",
+    srcs = [
+        "go.go",
+        "java.go",
+        "lib.go",
+        "nodejs.go",
+        "php.go",
+        "python.go",
+    ],
+    visibility = ["//test/runtimes/proctor:__pkg__"],
+)
+
+go_test(
+    name = "lib_test",
+    size = "small",
+    srcs = ["lib_test.go"],
+    library = ":lib",
+    deps = ["//pkg/test/testutil"],
+)
diff --git a/test/runtimes/proctor/go.go b/test/runtimes/proctor/lib/go.go
index d0ae844e6..5c48fb60b 100644
--- a/test/runtimes/proctor/go.go
+++ b/test/runtimes/proctor/lib/go.go
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package main
+package lib
 
 import (
 	"fmt"
@@ -59,7 +59,7 @@ func (goRunner) ListTests() ([]string, error) {
 	}
 
 	// Go tests on disk.
-	diskSlice, err := search(goTestDir, goTestRegEx)
+	diskSlice, err := Search(goTestDir, goTestRegEx)
 	if err != nil {
 		return nil, err
 	}
diff --git a/test/runtimes/proctor/java.go b/test/runtimes/proctor/lib/java.go
index d456fa681..3105011ff 100644
--- a/test/runtimes/proctor/java.go
+++ b/test/runtimes/proctor/lib/java.go
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package main
+package lib
 
 import (
 	"fmt"
diff --git a/test/runtimes/proctor/proctor.go b/test/runtimes/proctor/lib/lib.go
index 9e0642424..f2ba82498 100644
--- a/test/runtimes/proctor/proctor.go
+++ b/test/runtimes/proctor/lib/lib.go
@@ -12,20 +12,16 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// Binary proctor runs the test for a particular runtime. It is meant to be
-// included in Docker images for all runtime tests.
-package main
+// Package lib contains proctor functions.
+package lib
 
 import (
-	"flag"
 	"fmt"
-	"log"
 	"os"
 	"os/exec"
 	"os/signal"
 	"path/filepath"
 	"regexp"
-	"strings"
 	"syscall"
 )
 
@@ -42,66 +38,8 @@ type TestRunner interface {
 	TestCmds(tests []string) []*exec.Cmd
 }
 
-var (
-	runtime   = flag.String("runtime", "", "name of runtime")
-	list      = flag.Bool("list", false, "list all available tests")
-	testNames = flag.String("tests", "", "run a subset of the available tests")
-	pause     = flag.Bool("pause", false, "cause container to pause indefinitely, reaping any zombie children")
-)
-
-func main() {
-	flag.Parse()
-
-	if *pause {
-		pauseAndReap()
-		panic("pauseAndReap should never return")
-	}
-
-	if *runtime == "" {
-		log.Fatalf("runtime flag must be provided")
-	}
-
-	tr, err := testRunnerForRuntime(*runtime)
-	if err != nil {
-		log.Fatalf("%v", err)
-	}
-
-	// List tests.
-	if *list {
-		tests, err := tr.ListTests()
-		if err != nil {
-			log.Fatalf("failed to list tests: %v", err)
-		}
-		for _, test := range tests {
-			fmt.Println(test)
-		}
-		return
-	}
-
-	var tests []string
-	if *testNames == "" {
-		// Run every test.
-		tests, err = tr.ListTests()
-		if err != nil {
-			log.Fatalf("failed to get all tests: %v", err)
-		}
-	} else {
-		// Run subset of test.
-		tests = strings.Split(*testNames, ",")
-	}
-
-	// Run tests.
-	cmds := tr.TestCmds(tests)
-	for _, cmd := range cmds {
-		cmd.Stdout, cmd.Stderr = os.Stdout, os.Stderr
-		if err := cmd.Run(); err != nil {
-			log.Fatalf("FAIL: %v", err)
-		}
-	}
-}
-
-// testRunnerForRuntime returns a new TestRunner for the given runtime.
-func testRunnerForRuntime(runtime string) (TestRunner, error) {
+// TestRunnerForRuntime returns a new TestRunner for the given runtime.
+func TestRunnerForRuntime(runtime string) (TestRunner, error) {
 	switch runtime {
 	case "go":
 		return goRunner{}, nil
@@ -117,8 +55,8 @@ func testRunnerForRuntime(runtime string) (TestRunner, error) {
 	return nil, fmt.Errorf("invalid runtime %q", runtime)
 }
 
-// pauseAndReap is like init. It runs forever and reaps any children.
-func pauseAndReap() {
+// PauseAndReap is like init. It runs forever and reaps any children.
+func PauseAndReap() {
 	// Get notified of any new children.
 	ch := make(chan os.Signal, 1)
 	signal.Notify(ch, syscall.SIGCHLD)
@@ -138,9 +76,9 @@ func pauseAndReap() {
 	}
 }
 
-// search is a helper function to find tests in the given directory that match
+// Search is a helper function to find tests in the given directory that match
 // the regex.
-func search(root string, testFilter *regexp.Regexp) ([]string, error) {
+func Search(root string, testFilter *regexp.Regexp) ([]string, error) {
 	var testSlice []string
 
 	err := filepath.Walk(root, func(path string, info os.FileInfo, err error) error {
diff --git a/test/runtimes/proctor/proctor_test.go b/test/runtimes/proctor/lib/lib_test.go
index 6ef2de085..1193d2e28 100644
--- a/test/runtimes/proctor/proctor_test.go
+++ b/test/runtimes/proctor/lib/lib_test.go
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package main
+package lib
 
 import (
 	"io/ioutil"
@@ -47,7 +47,7 @@ func TestSearchEmptyDir(t *testing.T) {
 	var want []string
 
 	testFilter := regexp.MustCompile(`^test-[^-].+\.tc$`)
-	got, err := search(td, testFilter)
+	got, err := Search(td, testFilter)
 	if err != nil {
 		t.Errorf("search error: %v", err)
 	}
@@ -116,7 +116,7 @@ func TestSearch(t *testing.T) {
 	}
 
 	testFilter := regexp.MustCompile(`^test-[^-].+\.tc$`)
-	got, err := search(td, testFilter)
+	got, err := Search(td, testFilter)
 	if err != nil {
 		t.Errorf("search error: %v", err)
 	}
diff --git a/test/runtimes/proctor/nodejs.go b/test/runtimes/proctor/lib/nodejs.go
index dead5af4f..320597aa5 100644
--- a/test/runtimes/proctor/nodejs.go
+++ b/test/runtimes/proctor/lib/nodejs.go
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package main
+package lib
 
 import (
 	"os/exec"
@@ -32,7 +32,7 @@ var _ TestRunner = nodejsRunner{}
 
 // ListTests implements TestRunner.ListTests.
 func (nodejsRunner) ListTests() ([]string, error) {
-	testSlice, err := search(nodejsTestDir, nodejsTestRegEx)
+	testSlice, err := Search(nodejsTestDir, nodejsTestRegEx)
 	if err != nil {
 		return nil, err
 	}
diff --git a/test/runtimes/proctor/php.go b/test/runtimes/proctor/lib/php.go
index 6a83d64e3..b67a60a97 100644
--- a/test/runtimes/proctor/php.go
+++ b/test/runtimes/proctor/lib/php.go
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package main
+package lib
 
 import (
 	"os/exec"
@@ -29,7 +29,7 @@ var _ TestRunner = phpRunner{}
 
 // ListTests implements TestRunner.ListTests.
 func (phpRunner) ListTests() ([]string, error) {
-	testSlice, err := search(".", phpTestRegEx)
+	testSlice, err := Search(".", phpTestRegEx)
 	if err != nil {
 		return nil, err
 	}
diff --git a/test/runtimes/proctor/python.go b/test/runtimes/proctor/lib/python.go
index 7c598801b..429bfd850 100644
--- a/test/runtimes/proctor/python.go
+++ b/test/runtimes/proctor/lib/python.go
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package main
+package lib
 
 import (
 	"fmt"
diff --git a/test/runtimes/proctor/main.go b/test/runtimes/proctor/main.go
new file mode 100644
index 000000000..e5607ac92
--- /dev/null
+++ b/test/runtimes/proctor/main.go
@@ -0,0 +1,85 @@
+// Copyright 2019 The gVisor Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Binary proctor runs the test for a particular runtime. It is meant to be
+// included in Docker images for all runtime tests.
+package main
+
+import (
+	"flag"
+	"fmt"
+	"log"
+	"os"
+	"strings"
+
+	"gvisor.dev/gvisor/test/runtimes/proctor/lib"
+)
+
+var (
+	runtime   = flag.String("runtime", "", "name of runtime")
+	list      = flag.Bool("list", false, "list all available tests")
+	testNames = flag.String("tests", "", "run a subset of the available tests")
+	pause     = flag.Bool("pause", false, "cause container to pause indefinitely, reaping any zombie children")
+)
+
+func main() {
+	flag.Parse()
+
+	if *pause {
+		lib.PauseAndReap()
+		panic("pauseAndReap should never return")
+	}
+
+	if *runtime == "" {
+		log.Fatalf("runtime flag must be provided")
+	}
+
+	tr, err := lib.TestRunnerForRuntime(*runtime)
+	if err != nil {
+		log.Fatalf("%v", err)
+	}
+
+	// List tests.
+	if *list {
+		tests, err := tr.ListTests()
+		if err != nil {
+			log.Fatalf("failed to list tests: %v", err)
+		}
+		for _, test := range tests {
+			fmt.Println(test)
+		}
+		return
+	}
+
+	var tests []string
+	if *testNames == "" {
+		// Run every test.
+		tests, err = tr.ListTests()
+		if err != nil {
+			log.Fatalf("failed to get all tests: %v", err)
+		}
+	} else {
+		// Run subset of test.
+		tests = strings.Split(*testNames, ",")
+	}
+
+	// Run tests.
+	cmds := tr.TestCmds(tests)
+	for _, cmd := range cmds {
+		cmd.Stdout, cmd.Stderr = os.Stdout, os.Stderr
+		if err := cmd.Run(); err != nil {
+			log.Fatalf("FAIL: %v", err)
+		}
+	}
+}