From 9706cbc1e9462984a520881032b9610d43fe0e41 Mon Sep 17 00:00:00 2001
From: Jooyung Han <jooyung@google.com>
Date: Thu, 15 Apr 2021 22:43:48 +0900
Subject: [PATCH] Add filesystem_test.go

It has only one test function as a starting point.

Bug: n/a
Test: m (soong tests)
Change-Id: I785b096805014a40dfd600f7baaf884f4016c23c
---
 filesystem/Android.bp         |  2 ++
 filesystem/filesystem.go      |  6 ++++-
 filesystem/filesystem_test.go | 42 +++++++++++++++++++++++++++++++++++
 filesystem/testing.go         | 19 ++++++++++++++++
 4 files changed, 68 insertions(+), 1 deletion(-)
 create mode 100644 filesystem/filesystem_test.go
 create mode 100644 filesystem/testing.go

diff --git a/filesystem/Android.bp b/filesystem/Android.bp
index 791019ddb..3cdaa6418 100644
--- a/filesystem/Android.bp
+++ b/filesystem/Android.bp
@@ -15,8 +15,10 @@ bootstrap_go_package {
         "filesystem.go",
         "logical_partition.go",
         "vbmeta.go",
+        "testing.go",
     ],
     testSrcs: [
+        "filesystem_test.go",
     ],
     pluginFor: ["soong_build"],
 }
diff --git a/filesystem/filesystem.go b/filesystem/filesystem.go
index b2bd6bddf..cf9871701 100644
--- a/filesystem/filesystem.go
+++ b/filesystem/filesystem.go
@@ -26,7 +26,11 @@ import (
 )
 
 func init() {
-	android.RegisterModuleType("android_filesystem", filesystemFactory)
+	registerBuildComponents(android.InitRegistrationContext)
+}
+
+func registerBuildComponents(ctx android.RegistrationContext) {
+	ctx.RegisterModuleType("android_filesystem", filesystemFactory)
 }
 
 type filesystem struct {
diff --git a/filesystem/filesystem_test.go b/filesystem/filesystem_test.go
new file mode 100644
index 000000000..880b17741
--- /dev/null
+++ b/filesystem/filesystem_test.go
@@ -0,0 +1,42 @@
+// Copyright 2021 Google Inc. All rights reserved.
+//
+// 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.
+
+package filesystem
+
+import (
+	"os"
+	"testing"
+
+	"android/soong/android"
+)
+
+func TestMain(m *testing.M) {
+	os.Exit(m.Run())
+}
+
+var fixture = android.GroupFixturePreparers(
+	android.PrepareForIntegrationTestWithAndroid,
+	PrepareForTestWithFilesystemBuildComponents,
+)
+
+func TestFileSystemDeps(t *testing.T) {
+	result := fixture.RunTestWithBp(t, `
+		android_filesystem {
+			name: "myfilesystem",
+		}
+	`)
+
+	// produces "myfilesystem.img"
+	result.ModuleForTests("myfilesystem", "android_common").Output("myfilesystem.img")
+}
diff --git a/filesystem/testing.go b/filesystem/testing.go
new file mode 100644
index 000000000..631f1b1c8
--- /dev/null
+++ b/filesystem/testing.go
@@ -0,0 +1,19 @@
+// Copyright 2021 Google Inc. All rights reserved.
+//
+// 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.
+
+package filesystem
+
+import "android/soong/android"
+
+var PrepareForTestWithFilesystemBuildComponents = android.FixtureRegisterWithContext(registerBuildComponents)