Add unittests for balsa classes.

net/tools/flip_server/balsa_headers_test.cc

Index: net/tools/flip_server/balsa_headers_test.cc
diff --git a/net/tools/flip_server/balsa_headers_test.cc b/net/tools/flip_server/balsa_headers_test.cc
new file mode 100644
index 0000000000000000000000000000000000000000..8f506f8e396518a23d4204fd8721d00a42179531
--- /dev/null
+++ b/net/tools/flip_server/balsa_headers_test.cc
@@ -0,0 +1,392 @@
+// Copyright (c) 2013 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 "net/tools/flip_server/balsa_headers.h"
+
+#include <iterator>
+#include <string>
+#include <vector>
+
+#include "base/memory/scoped_ptr.h"
+#include "base/strings/string_piece.h"
+#include "net/tools/flip_server/balsa_enums.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace net {
+
+using ::base::StringPiece;
+
+class BalsaBufferTest : public ::testing::Test {
+ public:
+  virtual void SetUp() OVERRIDE {
+    buffer_.reset(new BalsaBuffer);
+    anotherBuffer_.reset(new BalsaBuffer);
+  }
+
+ protected:
+  scoped_ptr<BalsaBuffer> buffer_;
+  scoped_ptr<BalsaBuffer> anotherBuffer_;
+};
+
+namespace {
+
+class BalsaHeadersTest: public ::testing::Test {
+ public:
+  virtual void SetUp() OVERRIDE {
+    headers_.reset(new BalsaHeaders);
+  }
+
+ protected:
+  scoped_ptr<BalsaHeaders> headers_;
+};
+
+class StringBuffer {
+ public:
+  void Write(const char* p, size_t size) {
+    string_ += std::string(p, size);
+  }
+  const std::string& string() {return string_;}
+
+ private:
+  std::string string_;
+};
+
+TEST_F(BalsaBufferTest, EmptyBuffer) {
+  ASSERT_EQ(1u, buffer_->num_blocks());
+}
+
+TEST_F(BalsaBufferTest, Write) {
+  size_t index1, index2;
+  StringPiece sp1 = buffer_->Write(StringPiece("hello"), &index1);
+  StringPiece sp2 = buffer_->Write(StringPiece(", world"), &index2);
+
+  ASSERT_EQ(2u, buffer_->num_blocks());
+  ASSERT_EQ("hello", sp1);
+  ASSERT_EQ(", world", sp2);
+  ASSERT_EQ(1u, index1);
+  ASSERT_EQ(1u, index2);
+  ASSERT_EQ("hello, world",
+            StringPiece(buffer_->GetPtr(1), buffer_->bytes_used(1)));
+}
+
+TEST_F(BalsaBufferTest, WriteLongData) {
+  size_t index1, index2, index3;
+  std::string as(2, 'a');
+  std::string bs(BalsaBuffer::kDefaultBlocksize + 1, 'b');
+  std::string cs(4, 'c');
+
+  StringPiece sp1 = buffer_->Write(as, &index1);
+  StringPiece sp2 = buffer_->Write(bs, &index2);
+  StringPiece sp3 = buffer_->Write(cs, &index3);
+
+  ASSERT_EQ(3u, buffer_->num_blocks());
+  ASSERT_EQ(as, sp1);
+  ASSERT_EQ(bs, sp2);
+  ASSERT_EQ(cs, sp3);
+  ASSERT_EQ(1u, index1);
+  ASSERT_EQ(2u, index2);
+  ASSERT_EQ(1u, index3);
+  ASSERT_EQ("aacccc", StringPiece(buffer_->GetPtr(1), buffer_->bytes_used(1)));
+  ASSERT_EQ(sp2, StringPiece(buffer_->GetPtr(2), buffer_->bytes_used(2)));
+}
+
+TEST_F(BalsaBufferTest, WriteToContiguousBuffer) {
+  std::string as(2, 'a');
+  std::string bs(BalsaBuffer::kDefaultBlocksize + 1, 'b');
+  std::string cs(4, 'c');
+
+  buffer_->WriteToContiguousBuffer(as);
+  buffer_->WriteToContiguousBuffer(bs);
+  buffer_->WriteToContiguousBuffer(cs);
+
+  ASSERT_EQ(1u, buffer_->num_blocks());
+  ASSERT_EQ(as + bs + cs,
+            StringPiece(buffer_->GetPtr(0), buffer_->bytes_used(0)));
+}
+
+TEST_F(BalsaBufferTest, NoMoreWriteToContiguousBuffer) {
+  size_t index1, index2;
+  StringPiece sp1 = buffer_->Write(StringPiece("hello"), &index1);
+  buffer_->NoMoreWriteToContiguousBuffer();
+  StringPiece sp2 = buffer_->Write(StringPiece(", world"), &index2);
+
+  ASSERT_EQ(2u, buffer_->num_blocks());
+  ASSERT_EQ("hello", sp1);
+  ASSERT_EQ(", world", sp2);
+  ASSERT_EQ(1u, index1);
+  ASSERT_EQ(0u, index2);
+  ASSERT_EQ(sp1, StringPiece(buffer_->GetPtr(1), buffer_->bytes_used(1)));
+  ASSERT_EQ(sp2, StringPiece(buffer_->GetPtr(0), buffer_->bytes_used(0)));
+}
+
+TEST_F(BalsaBufferTest, Clear) {
+  buffer_->Write("hello", NULL);
+  ASSERT_EQ(2u, buffer_->num_blocks());
+  buffer_->Clear();
+  ASSERT_EQ(1u, buffer_->num_blocks());
+}
+
+TEST_F(BalsaBufferTest, Swap) {
+  buffer_->Write("hello", NULL);
+
+  ASSERT_EQ(2u, buffer_->num_blocks());
+  ASSERT_EQ(1u, anotherBuffer_->num_blocks());
+
+  buffer_->Swap(anotherBuffer_.get());
+
+  ASSERT_EQ(1u, buffer_->num_blocks());
+  ASSERT_EQ(2u, anotherBuffer_->num_blocks());
+  ASSERT_EQ("hello",
+            StringPiece(anotherBuffer_->GetPtr(1),
+                        anotherBuffer_->bytes_used(1)));
+}
+
+TEST_F(BalsaBufferTest, CopyFrom) {
+  buffer_->Write("hello", NULL);
+
+  ASSERT_EQ(2u, buffer_->num_blocks());
+  ASSERT_EQ(1u, anotherBuffer_->num_blocks());
+
+  anotherBuffer_->CopyFrom(*buffer_);
+
+  ASSERT_EQ(2u, buffer_->num_blocks());
+  ASSERT_EQ(2u, anotherBuffer_->num_blocks());
+  ASSERT_EQ("hello", StringPiece(buffer_->GetPtr(1), buffer_->bytes_used(1)));
+  ASSERT_EQ("hello",
+            StringPiece(anotherBuffer_->GetPtr(1),
+                        anotherBuffer_->bytes_used(1)));
+}
+
+TEST_F(BalsaHeadersTest, AppendHeader) {
+  headers_->AppendHeader("key1", "value1");
+  headers_->AppendHeader("key2", "value2");
+  headers_->AppendHeader("key3", "value3");
+  headers_->AppendHeader("key3", "value3.1");
+  headers_->AppendHeader("key3", "value3.2");
+
+  ASSERT_EQ(5, std::distance(headers_->header_lines_begin(),
+                             headers_->header_lines_end()));
+  ASSERT_EQ("value1", headers_->GetHeader("key1"));
+  ASSERT_EQ("value2", headers_->GetHeader("key2"));
+  ASSERT_EQ("value3", headers_->GetHeader("key3"));
+
+  std::vector<base::StringPiece> v1, v2, v3;
+  std::string s1, s2, s3;
+  headers_->GetAllOfHeader("key1", &v1);
+  headers_->GetAllOfHeader("key2", &v2);
+  headers_->GetAllOfHeader("key3", &v3);
+  headers_->GetAllOfHeaderAsString("key1", &s1);
+  headers_->GetAllOfHeaderAsString("key2", &s2);
+  headers_->GetAllOfHeaderAsString("key3", &s3);
+
+  ASSERT_EQ(1u, v1.size());
+  ASSERT_EQ(1u, v2.size());
+  ASSERT_EQ(3u, v3.size());
+  ASSERT_EQ("value1", v1[0]);
+  ASSERT_EQ("value2", v2[0]);
+  ASSERT_EQ("value3", v3[0]);
+  ASSERT_EQ("value3.1", v3[1]);
+  ASSERT_EQ("value3.2", v3[2]);
+  ASSERT_EQ("value1", s1);
+  ASSERT_EQ("value2", s2);
+  ASSERT_EQ("value3,value3.1,value3.2", s3);
+}
+
+TEST_F(BalsaHeadersTest, ReplaceOrAppendHeader) {
+  headers_->ReplaceOrAppendHeader("key1", "value1");
+  headers_->ReplaceOrAppendHeader("key1", "value2");
+
+  ASSERT_EQ(1, std::distance(headers_->header_lines_begin(),
+                             headers_->header_lines_end()));
+  ASSERT_EQ("value2", headers_->GetHeader("key1"));
+
+  std::vector<base::StringPiece> v;
+  headers_->GetAllOfHeader("key1", &v);
+
+  ASSERT_EQ(1u, v.size());
+  ASSERT_EQ("value2", v[0]);
+}
+
+TEST_F(BalsaHeadersTest, AppendToHeader) {
+  headers_->AppendToHeader("key1", "value1");
+  headers_->AppendToHeader("keY1", "value2");
+
+  ASSERT_EQ(1, std::distance(headers_->header_lines_begin(),
+                             headers_->header_lines_end()));
+  ASSERT_EQ("value1,value2", headers_->GetHeader("key1"));
+
+  std::vector<base::StringPiece> v;
+  std::string s;
+  headers_->GetAllOfHeader("key1", &v);
+  headers_->GetAllOfHeaderAsString("keY1", &s);
+
+  ASSERT_EQ(1u, v.size());
+  ASSERT_EQ("value1,value2", v[0]);
+  ASSERT_EQ("value1,value2", s);
+}
+
+TEST_F(BalsaHeadersTest, PrepentToHeader) {
+  headers_->PrependToHeader("key1", "value1");
+  headers_->PrependToHeader("key1", "value2");
+
+  ASSERT_EQ(1, std::distance(headers_->header_lines_begin(),
+                             headers_->header_lines_end()));
+  ASSERT_EQ("value2,value1", headers_->GetHeader("key1"));
+
+  std::vector<base::StringPiece> v;
+  std::string s;
+  headers_->GetAllOfHeader("key1", &v);
+  headers_->GetAllOfHeaderAsString("key1", &s);
+
+  ASSERT_EQ(1u, v.size());
+  ASSERT_EQ("value2,value1", v[0]);
+  ASSERT_EQ("value2,value1", s);
+}
+
+TEST_F(BalsaHeadersTest, HasHeader) {
+  headers_->AppendHeader("key1", "value1");
+
+  ASSERT_TRUE(headers_->HasHeader("key1"));
+  ASSERT_FALSE(headers_->HasHeader("value1"));
+  ASSERT_FALSE(headers_->HasHeader("key2"));
+}
+
+TEST_F(BalsaHeadersTest, HasNonEmptyHeader) {
+  headers_->AppendHeader("key1", "value1");
+  headers_->AppendHeader("key2", "");
+
+  ASSERT_TRUE(headers_->HasNonEmptyHeader("key1"));
+  ASSERT_FALSE(headers_->HasNonEmptyHeader("key2"));
+  ASSERT_FALSE(headers_->HasNonEmptyHeader("key3"));
+}
+
+TEST_F(BalsaHeadersTest, GetHeaderPosition) {
+  headers_->AppendHeader("key1", "value1");
+  headers_->AppendHeader("key2", "value2");
+  headers_->AppendHeader("key3", "value3");
+
+  BalsaHeaders::const_header_lines_iterator i =
+      headers_->GetHeaderPosition("key2");
+
+  ASSERT_EQ(headers_->header_lines_end(),
+            headers_->GetHeaderPosition("foobar"));
+  ASSERT_EQ(headers_->header_lines_begin(),
+            headers_->GetHeaderPosition("key1"));
+  ASSERT_NE(headers_->header_lines_end(), i);
+  ASSERT_EQ("key2", i->first);
+  ASSERT_EQ("value2", i->second);
+  ++i;
+  ASSERT_EQ("key3", i->first);
+  ASSERT_EQ("value3", i->second);
+  ++i;
+  ASSERT_EQ(headers_->header_lines_end(), i);
+}
+
+TEST_F(BalsaHeadersTest, GetIteratorForKey) {
+  headers_->AppendHeader("key1", "value1");
+  headers_->AppendHeader("key2", "value2");
+  headers_->AppendHeader("key1", "value1.1");
+  headers_->AppendHeader("key3", "value3");
+  headers_->AppendHeader("KEY1", "value1.2");
+
+  BalsaHeaders::const_header_lines_key_iterator i =
+      headers_->GetIteratorForKey("key1");
+
+  ASSERT_EQ(headers_->header_lines_key_end(),
+            headers_->GetIteratorForKey("foobar"));
+  ASSERT_NE(headers_->header_lines_key_end(), i);
+  ASSERT_EQ("key1", i->first);
+  ASSERT_EQ("value1", i->second);
+  ++i;
+  ASSERT_EQ("key1", i->first);
+  ASSERT_EQ("value1.1", i->second);
+  ++i;
+  ASSERT_EQ("KEY1", i->first);
+  ASSERT_EQ("value1.2", i->second);
+  ++i;
+  ASSERT_EQ(headers_->header_lines_key_end(), i);
+}
+
+TEST_F(BalsaHeadersTest, RemoveAllOfHeader) {
+  headers_->AppendHeader("key1", "value1");
+  headers_->AppendHeader("key2", "value2");
+  headers_->AppendHeader("key1", "value1.1");
+  headers_->AppendHeader("key3", "value3");
+  headers_->AppendHeader("key1", "value1.2");
+  headers_->AppendHeader("kEY1", "value1.3");
+
+  ASSERT_EQ(6, std::distance(headers_->header_lines_begin(),
+                             headers_->header_lines_end()));
+  headers_->RemoveAllOfHeader("key1");
+  ASSERT_EQ(2, std::distance(headers_->header_lines_begin(),
+                             headers_->header_lines_end()));
+}
+
+TEST_F(BalsaHeadersTest, RemoveAllHeadersWithPrefix) {
+  headers_->AppendHeader("1key", "value1");
+  headers_->AppendHeader("2key", "value2");
+  headers_->AppendHeader("1kEz", "value1.1");
+  headers_->AppendHeader("key3", "value3");
+  headers_->AppendHeader("1KEEjkladf", "value1.2");
+
+  ASSERT_EQ(5, std::distance(headers_->header_lines_begin(),
+                             headers_->header_lines_end()));
+  headers_->RemoveAllHeadersWithPrefix("1ke");
+  ASSERT_EQ(2, std::distance(headers_->header_lines_begin(),
+                             headers_->header_lines_end()));
+}
+
+TEST_F(BalsaHeadersTest, WriteRequestHeaderAndEndingToBuffer) {
+  headers_->AppendHeader("key1", "value1");
+  headers_->AppendHeader("key2", "value2");
+  headers_->AppendHeader("key1", "value1.1");
+
+  headers_->SetRequestFirstlineFromStringPieces("GET", "/", "HTTP/1.0");
+
+  std::string expected = "GET / HTTP/1.0\r\n"
+      "key1: value1\r\n"
+      "key2: value2\r\n"
+      "key1: value1.1\r\n\r\n";
+  StringBuffer buffer;
+  headers_->WriteHeaderAndEndingToBuffer(&buffer);
+  ASSERT_EQ(expected, buffer.string());
+}
+
+TEST_F(BalsaHeadersTest, WriteResponseHeaderAndEndingToBuffer) {
+  headers_->AppendHeader("key1", "value1");
+  headers_->AppendHeader("key2", "value2");
+  headers_->AppendHeader("key1", "value1.1");
+
+  headers_->SetResponseFirstlineFromStringPieces("HTTP/1.0", "200", "OK");
+
+  std::string expected = "HTTP/1.0 200 OK\r\n"
+      "key1: value1\r\n"
+      "key2: value2\r\n"
+      "key1: value1.1\r\n\r\n";
+  StringBuffer buffer;
+  headers_->WriteHeaderAndEndingToBuffer(&buffer);
+  ASSERT_EQ(expected, buffer.string());
+}
+
+TEST_F(BalsaHeadersTest, RequestFirstLine) {
+  headers_->SetRequestFirstlineFromStringPieces("HEAD", "/path", "HTTP/1.1");
+
+  ASSERT_EQ("HEAD /path HTTP/1.1", headers_->first_line());
+  ASSERT_EQ("HEAD", headers_->request_method());
+  ASSERT_EQ("/path", headers_->request_uri());
+  ASSERT_EQ("HTTP/1.1", headers_->request_version());
+}
+
+TEST_F(BalsaHeadersTest, ResponseFirstLine) {
+  headers_->SetRequestFirstlineFromStringPieces("HTTP/1.0", "403", "FORBIDDEN");
+
+  ASSERT_EQ("HTTP/1.0 403 FORBIDDEN", headers_->first_line());
+  ASSERT_EQ("HTTP/1.0", headers_->response_version());
+  ASSERT_EQ("403", headers_->response_code());
+  ASSERT_EQ("FORBIDDEN", headers_->response_reason_phrase());
+}
+
+}  // namespace
+
+}  // namespace net