Add flow_unittests to Fuchsia

Author: arbreng

BUILD.gn

@@ -95,7 +95,10 @@ group("flutter") {
 
   # Fuchsia currently only supports a subset of our unit tests
   if (is_fuchsia) {
-    public_deps += [ "$flutter_root/fml:fml_tests" ]
+    public_deps += [
+      "$flutter_root/flow:flow_tests",
+      "$flutter_root/fml:fml_tests",
+    ]
   }
 }
 

flow/BUILD.gn

@@ -4,8 +4,8 @@
 
 if (is_fuchsia) {
   import("//build/fuchsia/sdk.gni")
+  import("$flutter_root/tools/fuchsia/fuchsia_archive.gni")
 }
-
 import("$flutter_root/testing/testing.gni")
 
 source_set("flow") {
@@ -166,3 +166,38 @@ executable("flow_unittests") {
     "//third_party/skia",
   ]
 }
+
+if (is_fuchsia) {
+  fuchsia_archive("flow_tests") {
+    testonly = true
+
+    deps = [
+      ":flow_unittests",
+    ]
+
+    binary = "flow_unittests"
+
+    libraries = common_libs
+
+    meta_dir = "$flutter_root/testing/fuchsia/meta"
+    cmx_file = "$meta_dir/fuchsia_test.cmx"
+
+    resources = [
+      {
+        path = rebase_path(
+                "$flutter_root/testing/resources/performance_overlay_gold_60fps.png")
+        dest = "flutter/testing/resources/performance_overlay_gold_60fps.png"
+      },
+      {
+        path = rebase_path(
+                "$flutter_root/testing/resources/performance_overlay_gold_90fps.png")
+        dest = "flutter/testing/resources/performance_overlay_gold_90fps.png"
+      },
+      {
+        path = rebase_path(
+                "$flutter_root/testing/resources/performance_overlay_gold_120fps.png")
+        dest = "flutter/testing/resources/performance_overlay_gold_120fps.png"
+      },
+    ]
+  }
+}

flow/flow_run_all_unittests.cc

@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 
+#include "flutter/fml/build_config.h"
 #include "flutter/fml/command_line.h"
 #include "flutter/fml/logging.h"
 #include "gtest/gtest.h"
@@ -23,8 +24,14 @@
 int main(int argc, char** argv) {
   testing::InitGoogleTest(&argc, argv);
   fml::CommandLine cmd = fml::CommandLineFromArgcArgv(argc, argv);
+
+#if defined(OS_FUCHSIA)
+  flutter::SetGoldenDir(cmd.GetOptionValueWithDefault(
+      "golden-dir", "/pkg/data/flutter/testing/resources"));
+#else
   flutter::SetGoldenDir(
       cmd.GetOptionValueWithDefault("golden-dir", "flutter/testing/resources"));
+#endif
   flutter::SetFontFile(cmd.GetOptionValueWithDefault(
       "font-file",
       "flutter/third_party/txt/third_party/fonts/Roboto-Regular.ttf"));

fml/BUILD.gn

@@ -2,12 +2,11 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-import("//build/fuchsia/sdk.gni")
-import("$flutter_root/testing/testing.gni")
-
 if (is_fuchsia) {
+  import("//build/fuchsia/sdk.gni")
   import("$flutter_root/tools/fuchsia/fuchsia_archive.gni")
 }
+import("$flutter_root/testing/testing.gni")
 
 source_set("fml") {
   sources = [