MediaPerceptionPrivate API impl and testing.

extensions/browser/api/media_perception_private/conversion_utils_unittest.cc

Index: extensions/browser/api/media_perception_private/conversion_utils_unittest.cc
diff --git a/extensions/browser/api/media_perception_private/conversion_utils_unittest.cc b/extensions/browser/api/media_perception_private/conversion_utils_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..0c3aa0fd51866cc2935a2c9865f0394da945890a
--- /dev/null
+++ b/extensions/browser/api/media_perception_private/conversion_utils_unittest.cc
@@ -0,0 +1,208 @@
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "extensions/browser/api/media_perception_private/conversion_utils.h"
+
+#include "base/memory/ptr_util.h"
+#include "chromeos/media_perception/media_perception.pb.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace media_perception = extensions::api::media_perception_private;
+
+namespace extensions {
+
+namespace {
+
+const char kTestDeviceContext[] = "Video camera";
+
+void InitializeFakeFramePerception(const int index,
+                                   mri::FramePerception* frame_perception) {
+  frame_perception->set_frame_id(index);
+  frame_perception->set_frame_width_in_px(3);
+  frame_perception->set_frame_height_in_px(4);
+  frame_perception->set_timestamp(5);
+
+  mri::Entity* entity_one = frame_perception->add_entity();
+  entity_one->set_id(6);
+  entity_one->set_type(mri::Entity::FACE);
+  entity_one->set_confidence(7);
+
+  mri::Entity* e_two = frame_perception->add_entity();
+  e_two->set_id(8);
+  e_two->set_type(mri::Entity::PERSON);
+  e_two->set_confidence(9);
+
+  mri::BoundingBox* bounding_box_one = entity_one->mutable_bounding_box();
+  bounding_box_one->mutable_top_left()->set_x(10);
+  bounding_box_one->mutable_top_left()->set_y(11);
+  bounding_box_one->mutable_bottom_right()->set_x(12);
+  bounding_box_one->mutable_bottom_right()->set_y(13);
+  bounding_box_one->set_normalized(false);
+
+  mri::BoundingBox* bounding_box_two = e_two->mutable_bounding_box();
+  bounding_box_two->mutable_top_left()->set_x(14);
+  bounding_box_two->mutable_top_left()->set_y(15);
+  bounding_box_two->set_normalized(true);
+}
+
+void ValidateFramePerceptionResult(
+    const int index,
+    const media_perception::FramePerception& frame_perception_result) {
+  ASSERT_TRUE(frame_perception_result.frame_id);
+  EXPECT_EQ(*frame_perception_result.frame_id, index);
+  ASSERT_TRUE(frame_perception_result.frame_width_in_px);
+  EXPECT_EQ(*frame_perception_result.frame_width_in_px, 3);
+  ASSERT_TRUE(frame_perception_result.frame_height_in_px);
+  EXPECT_EQ(*frame_perception_result.frame_height_in_px, 4);
+  ASSERT_TRUE(frame_perception_result.timestamp);
+  EXPECT_EQ(*frame_perception_result.timestamp, 5);
+
+  ASSERT_EQ(2u, frame_perception_result.entities->size());
+  const media_perception::Entity& entity_result_one =
+      frame_perception_result.entities->at(0);
+  ASSERT_TRUE(entity_result_one.id);
+  EXPECT_EQ(*entity_result_one.id, 6);
+  ASSERT_TRUE(entity_result_one.confidence);
+  EXPECT_EQ(*entity_result_one.confidence, 7);
+  EXPECT_EQ(entity_result_one.type, media_perception::ENTITY_TYPE_FACE);
+
+  const media_perception::Entity& entity_result_two =
+      frame_perception_result.entities->at(1);
+  ASSERT_TRUE(entity_result_two.id);
+  EXPECT_EQ(*entity_result_two.id, 8);
+  ASSERT_TRUE(entity_result_two.confidence);
+  EXPECT_EQ(*entity_result_two.confidence, 9);
+  EXPECT_EQ(entity_result_two.type, media_perception::ENTITY_TYPE_PERSON);
+
+  const media_perception::BoundingBox* bounding_box_result_one =
+      entity_result_one.bounding_box.get();
+  ASSERT_TRUE(bounding_box_result_one);
+  ASSERT_TRUE(bounding_box_result_one->top_left);
+  ASSERT_TRUE(bounding_box_result_one->top_left->x);
+  EXPECT_EQ(*bounding_box_result_one->top_left->x, 10);
+  ASSERT_TRUE(bounding_box_result_one->top_left->y);
+  EXPECT_EQ(*bounding_box_result_one->top_left->y, 11);
+  ASSERT_TRUE(bounding_box_result_one->bottom_right);
+  ASSERT_TRUE(bounding_box_result_one->bottom_right->x);
+  EXPECT_EQ(*bounding_box_result_one->bottom_right->x, 12);
+  ASSERT_TRUE(bounding_box_result_one->bottom_right->y);
+  EXPECT_EQ(*bounding_box_result_one->bottom_right->y, 13);
+  EXPECT_FALSE(*bounding_box_result_one->normalized);
+
+  const media_perception::BoundingBox* bounding_box_result_two =
+      entity_result_two.bounding_box.get();
+  ASSERT_TRUE(bounding_box_result_two);
+  ASSERT_TRUE(bounding_box_result_two->top_left);
+  EXPECT_EQ(*bounding_box_result_two->top_left->x, 14);
+  EXPECT_EQ(*bounding_box_result_two->top_left->y, 15);
+  EXPECT_FALSE(bounding_box_result_two->bottom_right);
+  EXPECT_TRUE(*bounding_box_result_two->normalized);
+}
+
+void InitializeFakeImageFrameData(mri::ImageFrame* image_frame) {
+  image_frame->set_width(1);
+  image_frame->set_height(2);
+  image_frame->set_data_length(3);
+  image_frame->set_pixel_data("    ");
+  image_frame->set_format(mri::ImageFrame::JPEG);
+}
+
+void ValidateFakeImageFrameData(
+    const media_perception::ImageFrame& image_frame_result) {
+  ASSERT_TRUE(image_frame_result.width);
+  EXPECT_EQ(*image_frame_result.width, 1);
+  ASSERT_TRUE(image_frame_result.height);
+  EXPECT_EQ(*image_frame_result.height, 2);
+  ASSERT_TRUE(image_frame_result.data_length);
+  EXPECT_EQ(*image_frame_result.data_length, 3);
+  ASSERT_TRUE(image_frame_result.frame);
+  EXPECT_EQ((*image_frame_result.frame).size(), 4ul);
+  EXPECT_EQ(image_frame_result.format, media_perception::IMAGE_FORMAT_JPEG);
+}
+
+}  // namespace
+
+// Verifies that the data is converted successfully and as expected in each of
+// these cases.
+
+TEST(MediaPerceptionConversionUtilsTest, MediaPerceptionProtoToIdl) {
+  const int kFrameId = 2;
+  mri::MediaPerception media_perception;
+  // Fill in fake values for the media_perception proto.
+  media_perception.set_timestamp(1);
+  mri::FramePerception* frame_perception =
+      media_perception.add_frame_perception();
+  InitializeFakeFramePerception(kFrameId, frame_perception);
+  media_perception::MediaPerception media_perception_result =
+      media_perception::MediaPerceptionProtoToIdl(media_perception);
+  EXPECT_EQ(*media_perception_result.timestamp, 1);
+  ASSERT_TRUE(media_perception_result.frame_perceptions);
+  ASSERT_EQ(1u, media_perception_result.frame_perceptions->size());
+  ValidateFramePerceptionResult(
+      kFrameId, media_perception_result.frame_perceptions->at(0));
+}
+
+TEST(MediaPerceptionConversionUtilsTest, DiagnosticsProtoToIdl) {
+  const size_t kNumSamples = 3;
+  mri::Diagnostics diagnostics;
+  for (size_t i = 0; i < kNumSamples; i++) {
+    mri::PerceptionSample* perception_sample =
+        diagnostics.add_perception_sample();
+    mri::FramePerception* frame_perception =
+        perception_sample->mutable_frame_perception();
+    InitializeFakeFramePerception(i, frame_perception);
+    mri::ImageFrame* image_frame = perception_sample->mutable_image_frame();
+    InitializeFakeImageFrameData(image_frame);
+  }
+  media_perception::Diagnostics diagnostics_result =
+      media_perception::DiagnosticsProtoToIdl(diagnostics);
+  ASSERT_EQ(kNumSamples, diagnostics_result.perception_samples->size());
+  for (size_t i = 0; i < kNumSamples; i++) {
+    SCOPED_TRACE(testing::Message() << "Sample number: " << i);
+    const media_perception::PerceptionSample& perception_sample_result =
+        diagnostics_result.perception_samples->at(i);
+
+    const media_perception::FramePerception* frame_perception_result =
+        perception_sample_result.frame_perception.get();
+    ASSERT_TRUE(frame_perception_result);
+
+    const media_perception::ImageFrame* image_frame_result =
+        perception_sample_result.image_frame.get();
+    ASSERT_TRUE(image_frame_result);
+
+    ValidateFramePerceptionResult(i, *frame_perception_result);
+    ValidateFakeImageFrameData(*image_frame_result);
+  }
+}
+
+TEST(MediaPerceptionConversionUtilsTest, StateProtoToIdl) {
+  mri::State state;
+  state.set_status(mri::State::RUNNING);
+  media_perception::State state_result =
+      media_perception::StateProtoToIdl(state);
+  EXPECT_EQ(state_result.status, media_perception::STATUS_RUNNING);
+
+  state.set_status(mri::State::STARTED);
+  state.set_device_context(kTestDeviceContext);
+  state_result = media_perception::StateProtoToIdl(state);
+  EXPECT_EQ(state_result.status, media_perception::STATUS_STARTED);
+  ASSERT_TRUE(state_result.device_context);
+  EXPECT_EQ(*state_result.device_context, kTestDeviceContext);
+}
+
+TEST(MediaPerceptionConversionUtilsTest, StateIdlToProto) {
+  media_perception::State state;
+  state.status = media_perception::STATUS_UNINITIALIZED;
+  mri::State state_proto = StateIdlToProto(state);
+  EXPECT_EQ(state_proto.status(), mri::State::UNINITIALIZED);
+  EXPECT_FALSE(state_proto.has_device_context());
+
+  state.status = media_perception::STATUS_SUSPENDED;
+  state.device_context = base::MakeUnique<std::string>(kTestDeviceContext);
+  state_proto = StateIdlToProto(state);
+  EXPECT_EQ(state_proto.status(), mri::State::SUSPENDED);
+  EXPECT_EQ(state_proto.device_context(), kTestDeviceContext);
+}
+
+}  // namespace extensions