media/filters/blocking_url_protocol_unittest.cc

   1 // Copyright 2012 The Chromium Authors
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include <stdint.h>
   6
   7 #include <memory>
   8
   9 #include "base/files/file_path.h"
  10 #include "base/functional/bind.h"
  11 #include "base/synchronization/waitable_event.h"
  12 #include "media/base/test_data_util.h"
  13 #include "media/ffmpeg/ffmpeg_common.h"
  14 #include "media/filters/blocking_url_protocol.h"
  15 #include "media/filters/file_data_source.h"
  16 #include "testing/gmock/include/gmock/gmock.h"
  17 #include "testing/gtest/include/gtest/gtest.h"
  18
  19 namespace media {
  20
  21 class BlockingUrlProtocolTest : public testing::Test {
  22  public:
  23   BlockingUrlProtocolTest()
  24       : url_protocol_(std::make_unique<BlockingUrlProtocol>(
  25             &data_source_,
  26             base::BindRepeating(&BlockingUrlProtocolTest::OnDataSourceError,
  27                                 base::Unretained(this)))) {
  28     CHECK(data_source_.Initialize(GetTestDataFilePath("bear-320x240.webm")));
  29   }
  30
  31   BlockingUrlProtocolTest(const BlockingUrlProtocolTest&) = delete;
  32   BlockingUrlProtocolTest& operator=(const BlockingUrlProtocolTest&) = delete;
  33
  34   ~BlockingUrlProtocolTest() override { data_source_.Stop(); }
  35
  36   MOCK_METHOD0(OnDataSourceError, void());
  37
  38   FileDataSource data_source_;
  39   std::unique_ptr<BlockingUrlProtocol> url_protocol_;
  40 };
  41
  42
  43 TEST_F(BlockingUrlProtocolTest, Read) {
  44   // Set read head to zero as Initialize() will have parsed a bit of the file.
  45   int64_t position = 0;
  46   EXPECT_TRUE(url_protocol_->SetPosition(0));
  47   EXPECT_TRUE(url_protocol_->GetPosition(&position));
  48   EXPECT_EQ(0, position);
  49
  50   // Read 32 bytes from offset zero and verify position.
  51   uint8_t buffer[32];
  52   EXPECT_EQ(32, url_protocol_->Read(32, buffer));
  53   EXPECT_TRUE(url_protocol_->GetPosition(&position));
  54   EXPECT_EQ(32, position);
  55
  56   // Read an additional 32 bytes and verify position.
  57   EXPECT_EQ(32, url_protocol_->Read(32, buffer));
  58   EXPECT_TRUE(url_protocol_->GetPosition(&position));
  59   EXPECT_EQ(64, position);
  60
  61   // Seek to end and read until EOF.
  62   int64_t size = 0;
  63   EXPECT_TRUE(url_protocol_->GetSize(&size));
  64   EXPECT_TRUE(url_protocol_->SetPosition(size - 48));
  65   EXPECT_EQ(32, url_protocol_->Read(32, buffer));
  66   EXPECT_TRUE(url_protocol_->GetPosition(&position));
  67   EXPECT_EQ(size - 16, position);
  68
  69   EXPECT_EQ(16, url_protocol_->Read(32, buffer));
  70   EXPECT_TRUE(url_protocol_->GetPosition(&position));
  71   EXPECT_EQ(size, position);
  72
  73   EXPECT_EQ(AVERROR_EOF, url_protocol_->Read(32, buffer));
  74   EXPECT_TRUE(url_protocol_->GetPosition(&position));
  75   EXPECT_EQ(size, position);
  76 }
  77
  78 TEST_F(BlockingUrlProtocolTest, ReadError) {
  79   data_source_.force_read_errors_for_testing();
  80
  81   uint8_t buffer[32];
  82   EXPECT_CALL(*this, OnDataSourceError());
  83   EXPECT_EQ(AVERROR(EIO), url_protocol_->Read(32, buffer));
  84 }
  85
  86 TEST_F(BlockingUrlProtocolTest, GetSetPosition) {
  87   int64_t size;
  88   int64_t position;
  89   EXPECT_TRUE(url_protocol_->GetSize(&size));
  90   EXPECT_TRUE(url_protocol_->GetPosition(&position));
  91
  92   EXPECT_TRUE(url_protocol_->SetPosition(512));
  93   EXPECT_FALSE(url_protocol_->SetPosition(size + 1));
  94   EXPECT_FALSE(url_protocol_->SetPosition(-1));
  95   EXPECT_TRUE(url_protocol_->GetPosition(&position));
  96   EXPECT_EQ(512, position);
  97
  98   EXPECT_TRUE(url_protocol_->SetPosition(size));
  99   EXPECT_TRUE(url_protocol_->GetPosition(&position));
 100   EXPECT_EQ(size, position);
 101 }
 102
 103 TEST_F(BlockingUrlProtocolTest, GetSize) {
 104   int64_t data_source_size = 0;
 105   int64_t url_protocol_size = 0;
 106   EXPECT_TRUE(data_source_.GetSize(&data_source_size));
 107   EXPECT_TRUE(url_protocol_->GetSize(&url_protocol_size));
 108   EXPECT_NE(0, data_source_size);
 109   EXPECT_EQ(data_source_size, url_protocol_size);
 110 }
 111
 112 TEST_F(BlockingUrlProtocolTest, IsStreaming) {
 113   EXPECT_FALSE(data_source_.IsStreaming());
 114   EXPECT_FALSE(url_protocol_->IsStreaming());
 115
 116   data_source_.force_streaming_for_testing();
 117   url_protocol_ = std::make_unique<BlockingUrlProtocol>(
 118       &data_source_,
 119       base::BindRepeating(&BlockingUrlProtocolTest::OnDataSourceError,
 120                           base::Unretained(this)));
 121   EXPECT_TRUE(data_source_.IsStreaming());
 122   EXPECT_TRUE(url_protocol_->IsStreaming());
 123 }
 124
 125 }  // namespace media