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      1 /*
      2  * libjingle
      3  * Copyright 2008, Google Inc.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are met:
      7  *
      8  *  1. Redistributions of source code must retain the above copyright notice,
      9  *     this list of conditions and the following disclaimer.
     10  *  2. Redistributions in binary form must reproduce the above copyright notice,
     11  *     this list of conditions and the following disclaimer in the documentation
     12  *     and/or other materials provided with the distribution.
     13  *  3. The name of the author may not be used to endorse or promote products
     14  *     derived from this software without specific prior written permission.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
     17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
     19  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 #include "talk/base/fileutils.h"
     29 #include "talk/base/gunit.h"
     30 #include "talk/base/optionsfile.h"
     31 #include "talk/base/pathutils.h"
     32 
     33 namespace talk_base {
     34 
     35 static const std::string kTestOptionA = "test-option-a";
     36 static const std::string kTestOptionB = "test-option-b";
     37 static const std::string kTestString1 = "a string";
     38 static const std::string kTestString2 = "different string";
     39 static const std::string kOptionWithEquals = "foo=bar";
     40 static const std::string kOptionWithNewline = "foo\nbar";
     41 static const std::string kValueWithEquals = "baz=quux";
     42 static const std::string kValueWithNewline = "baz\nquux";
     43 static const std::string kEmptyString = "";
     44 static const char kOptionWithUtf8[] = {'O', 'p', 't', '\302', '\256', 'i', 'o',
     45     'n', '\342', '\204', '\242', '\0'};  // Opt(R)io(TM).
     46 static const char kValueWithUtf8[] = {'V', 'a', 'l', '\302', '\256', 'v', 'e',
     47     '\342', '\204', '\242', '\0'};  // Val(R)ue(TM).
     48 static int kTestInt1 = 12345;
     49 static int kTestInt2 = 67890;
     50 static int kNegInt = -634;
     51 static int kZero = 0;
     52 
     53 class OptionsFileTest : public testing::Test {
     54  public:
     55   OptionsFileTest() {
     56     Pathname dir;
     57     ASSERT(Filesystem::GetTemporaryFolder(dir, true, NULL));
     58     test_file_ = Filesystem::TempFilename(dir, ".testfile");
     59     OpenStore();
     60   }
     61 
     62  protected:
     63   void OpenStore() {
     64     store_.reset(new OptionsFile(test_file_));
     65   }
     66 
     67   talk_base::scoped_ptr<OptionsFile> store_;
     68 
     69  private:
     70   std::string test_file_;
     71 };
     72 
     73 TEST_F(OptionsFileTest, GetSetString) {
     74   // Clear contents of the file on disk.
     75   EXPECT_TRUE(store_->Save());
     76   std::string out1, out2;
     77   EXPECT_FALSE(store_->GetStringValue(kTestOptionA, &out1));
     78   EXPECT_FALSE(store_->GetStringValue(kTestOptionB, &out2));
     79   EXPECT_TRUE(store_->SetStringValue(kTestOptionA, kTestString1));
     80   EXPECT_TRUE(store_->Save());
     81   EXPECT_TRUE(store_->Load());
     82   EXPECT_TRUE(store_->SetStringValue(kTestOptionB, kTestString2));
     83   EXPECT_TRUE(store_->Save());
     84   EXPECT_TRUE(store_->Load());
     85   EXPECT_TRUE(store_->GetStringValue(kTestOptionA, &out1));
     86   EXPECT_TRUE(store_->GetStringValue(kTestOptionB, &out2));
     87   EXPECT_EQ(kTestString1, out1);
     88   EXPECT_EQ(kTestString2, out2);
     89   EXPECT_TRUE(store_->RemoveValue(kTestOptionA));
     90   EXPECT_TRUE(store_->Save());
     91   EXPECT_TRUE(store_->Load());
     92   EXPECT_TRUE(store_->RemoveValue(kTestOptionB));
     93   EXPECT_TRUE(store_->Save());
     94   EXPECT_TRUE(store_->Load());
     95   EXPECT_FALSE(store_->GetStringValue(kTestOptionA, &out1));
     96   EXPECT_FALSE(store_->GetStringValue(kTestOptionB, &out2));
     97 }
     98 
     99 TEST_F(OptionsFileTest, GetSetInt) {
    100   // Clear contents of the file on disk.
    101   EXPECT_TRUE(store_->Save());
    102   int out1, out2;
    103   EXPECT_FALSE(store_->GetIntValue(kTestOptionA, &out1));
    104   EXPECT_FALSE(store_->GetIntValue(kTestOptionB, &out2));
    105   EXPECT_TRUE(store_->SetIntValue(kTestOptionA, kTestInt1));
    106   EXPECT_TRUE(store_->Save());
    107   EXPECT_TRUE(store_->Load());
    108   EXPECT_TRUE(store_->SetIntValue(kTestOptionB, kTestInt2));
    109   EXPECT_TRUE(store_->Save());
    110   EXPECT_TRUE(store_->Load());
    111   EXPECT_TRUE(store_->GetIntValue(kTestOptionA, &out1));
    112   EXPECT_TRUE(store_->GetIntValue(kTestOptionB, &out2));
    113   EXPECT_EQ(kTestInt1, out1);
    114   EXPECT_EQ(kTestInt2, out2);
    115   EXPECT_TRUE(store_->RemoveValue(kTestOptionA));
    116   EXPECT_TRUE(store_->Save());
    117   EXPECT_TRUE(store_->Load());
    118   EXPECT_TRUE(store_->RemoveValue(kTestOptionB));
    119   EXPECT_TRUE(store_->Save());
    120   EXPECT_TRUE(store_->Load());
    121   EXPECT_FALSE(store_->GetIntValue(kTestOptionA, &out1));
    122   EXPECT_FALSE(store_->GetIntValue(kTestOptionB, &out2));
    123   EXPECT_TRUE(store_->SetIntValue(kTestOptionA, kNegInt));
    124   EXPECT_TRUE(store_->GetIntValue(kTestOptionA, &out1));
    125   EXPECT_EQ(kNegInt, out1);
    126   EXPECT_TRUE(store_->SetIntValue(kTestOptionA, kZero));
    127   EXPECT_TRUE(store_->GetIntValue(kTestOptionA, &out1));
    128   EXPECT_EQ(kZero, out1);
    129 }
    130 
    131 TEST_F(OptionsFileTest, Persist) {
    132   // Clear contents of the file on disk.
    133   EXPECT_TRUE(store_->Save());
    134   EXPECT_TRUE(store_->SetStringValue(kTestOptionA, kTestString1));
    135   EXPECT_TRUE(store_->SetIntValue(kTestOptionB, kNegInt));
    136   EXPECT_TRUE(store_->Save());
    137 
    138   // Load the saved contents from above.
    139   OpenStore();
    140   EXPECT_TRUE(store_->Load());
    141   std::string out1;
    142   int out2;
    143   EXPECT_TRUE(store_->GetStringValue(kTestOptionA, &out1));
    144   EXPECT_TRUE(store_->GetIntValue(kTestOptionB, &out2));
    145   EXPECT_EQ(kTestString1, out1);
    146   EXPECT_EQ(kNegInt, out2);
    147 }
    148 
    149 TEST_F(OptionsFileTest, SpecialCharacters) {
    150   // Clear contents of the file on disk.
    151   EXPECT_TRUE(store_->Save());
    152   std::string out;
    153   EXPECT_FALSE(store_->SetStringValue(kOptionWithEquals, kTestString1));
    154   EXPECT_FALSE(store_->GetStringValue(kOptionWithEquals, &out));
    155   EXPECT_FALSE(store_->SetStringValue(kOptionWithNewline, kTestString1));
    156   EXPECT_FALSE(store_->GetStringValue(kOptionWithNewline, &out));
    157   EXPECT_TRUE(store_->SetStringValue(kOptionWithUtf8, kValueWithUtf8));
    158   EXPECT_TRUE(store_->SetStringValue(kTestOptionA, kTestString1));
    159   EXPECT_TRUE(store_->Save());
    160   EXPECT_TRUE(store_->Load());
    161   EXPECT_TRUE(store_->GetStringValue(kTestOptionA, &out));
    162   EXPECT_EQ(kTestString1, out);
    163   EXPECT_TRUE(store_->GetStringValue(kOptionWithUtf8, &out));
    164   EXPECT_EQ(kValueWithUtf8, out);
    165   EXPECT_FALSE(store_->SetStringValue(kTestOptionA, kValueWithNewline));
    166   EXPECT_TRUE(store_->GetStringValue(kTestOptionA, &out));
    167   EXPECT_EQ(kTestString1, out);
    168   EXPECT_TRUE(store_->SetStringValue(kTestOptionA, kValueWithEquals));
    169   EXPECT_TRUE(store_->Save());
    170   EXPECT_TRUE(store_->Load());
    171   EXPECT_TRUE(store_->GetStringValue(kTestOptionA, &out));
    172   EXPECT_EQ(kValueWithEquals, out);
    173   EXPECT_TRUE(store_->SetStringValue(kEmptyString, kTestString2));
    174   EXPECT_TRUE(store_->Save());
    175   EXPECT_TRUE(store_->Load());
    176   EXPECT_TRUE(store_->GetStringValue(kEmptyString, &out));
    177   EXPECT_EQ(kTestString2, out);
    178   EXPECT_TRUE(store_->SetStringValue(kTestOptionB, kEmptyString));
    179   EXPECT_TRUE(store_->Save());
    180   EXPECT_TRUE(store_->Load());
    181   EXPECT_TRUE(store_->GetStringValue(kTestOptionB, &out));
    182   EXPECT_EQ(kEmptyString, out);
    183 }
    184 
    185 }  // namespace talk_base
    186