Testing/dasher_tests/WordGenTest.cpp

   1 #include "gtest/gtest.h"
   2 #include "../../Src/TestPlatform/MockFileWordGenerator.h"
   3 using namespace Dasher;
   4
   5 /*
   6  * Test fixture
   7  */
   8 class WordGenTest : public ::testing::Test {
   9   public:
  10     WordGenTest() {
  11       fullGen = new MockFileWordGenerator("test_data/word_gen_full_data.txt");
  12       singleLineGen = new MockFileWordGenerator("test_data/word_gen_single_line.txt");
  13     }
  14
  15   protected:
  16     MockFileWordGenerator* fullGen;
  17     MockFileWordGenerator* singleLineGen;
  18 };
  19
  20 /*
  21  * Tests whether the word fullGenerator opens a file
  22  * correctly.
  23  */
  24 TEST_F(WordGenTest, FileOpensCorrectly) {
  25   bool opened = fullGen->GetFileHandle().is_open();
  26   bool good = fullGen->GetFileHandle().good();
  27   ASSERT_EQ(opened, true);
  28   ASSERT_EQ(good, true);
  29 }
  30
  31 /*
  32  * Tests whether the file name getter returns expected results.
  33  */
  34 TEST_F(WordGenTest, FilenameExtraction) {
  35   ASSERT_EQ("word_gen_full_data.txt", fullGen->GetFilename());
  36 }
  37
  38 /*
  39  * Tests if retrieving the next word returns expected results.
  40  */
  41 TEST_F(WordGenTest, WordIteration) {
  42   ASSERT_EQ("I'm", fullGen->GetNextWord());
  43   ASSERT_EQ("a", fullGen->GetNextWord());
  44 }
  45
  46 /*
  47  * Tests if the word generator actually grabs the right amount of data
  48  * from the stream
  49  */
  50 TEST_F(WordGenTest, GetBuffer) {
  51   std::ifstream fin;
  52   std::string buffer;
  53   fin.open("test_data/word_gen_single_line.txt");
  54   std::getline(fin, buffer);
  55
  56   ASSERT_EQ(buffer, singleLineGen->GetWholeBuffer());
  57 }
  58
  59 /* This test /should/ determine whether we return the right value when
  60  * we reach the end of a file...Not sure what's causing this to fail now
  61  */
  62 TEST_F(WordGenTest, EndsAtEOF) {
  63   for(int i = 0; i < 1000; i++)
  64     singleLineGen->GetNextWord();
  65
  66   ASSERT_EQ("", singleLineGen->GetNextWord());
  67 }
  68
  69