public void RemovePriceRangeTest()
{
IStorage storage = new MockStorage();
Preferences preferences = new Preferences(storage);
List <string> categories = new List <string>();
categories.Add("test_cat");
categories.Add("test_cat2");
categories.Add("test_cat3");
Tuple <double, double> priceRange = new Tuple <double, double>(10.0, 100.0);
foreach (string category in categories)
{
preferences.AddCategory(category);
preferences.AddPriceRange(category, priceRange);
}
Assert.True(preferences.RemovePriceRange("test_cat2"));
UserPreference userPreference = storage.GetUserPreference("test_cat2");
Assert.Equal(0.0, userPreference._minPrice);
Assert.Equal(0.0, userPreference._maxPrice);
Assert.True(preferences.FindUserPreferenceFromCache("test_cat2", out userPreference));
Assert.NotNull(userPreference);
Assert.True(userPreference._minPrice == 0.0);
Assert.True(userPreference._maxPrice == 0.0);
}
public void AddingPriceRangeTest()
{
IStorage storage = new MockStorage();
Preferences preferences = new Preferences(storage);
List <string> categories = new List <string>();
categories.Add("test_cat");
categories.Add("test_cat2");
categories.Add("test_cat3");
foreach (string category in categories)
{
preferences.AddCategory(category);
}
Tuple <double, double> priceRange = new Tuple <double, double>(10.0, 100.0);
preferences.AddPriceRange("test_cat2", priceRange);
// Check that the category was updated in the mock storage
UserPreference userPreference = storage.GetUserPreference("test_cat2");
Assert.Equal("test_cat2", userPreference._category);
Assert.True(userPreference._minPrice == 10.0);
Assert.True(userPreference._maxPrice == 100.0);
Assert.True(preferences.FindUserPreferenceFromCache("test_cat2", out userPreference));
Assert.NotNull(userPreference);
Assert.True(userPreference._minPrice == 10.0);
Assert.True(userPreference._maxPrice == 100.0);
}
public void AddingNullPriceRangeTest()
{
IStorage storage = new MockStorage();
Preferences preferences = new Preferences(storage);
Assert.Throws <ArgumentNullException>(() =>
{
preferences.AddPriceRange(null, null);
});
}
public void AddPriceWithFakeCategoryTest()
{
IStorage storage = new MockStorage();
Preferences preferences = new Preferences(storage);
Tuple <double, double> priceRange = new Tuple <double, double>(10.0, 100.0);
Assert.Throws <Preferences.UserPreferenceNotFoundException>(() =>
{
preferences.AddPriceRange("fake_category", priceRange);
});
}
public void AddPriceWithNullCategoryTest()
{
IStorage storage = new MockStorage();
Preferences preferences = new Preferences(storage);
Tuple <double, double> priceRange = new Tuple <double, double>(10.0, 100.0);
Assert.Throws <ArgumentNullException>(() =>
{
preferences.AddPriceRange(null, priceRange);
});
}
public void FilterUndesirablePriceTest()
{
IStorage storage = new MockStorage();
Preferences preferences = new Preferences(storage);
FilterMessage filter = new FilterMessage(preferences);
BargainMessage message = new BargainMessage(
"test", "1900.50", "external_url", "image_url",
"test_category test_category2");
preferences.AddCategory("test_category");
preferences.AddPriceRange("test_category", new Tuple <double, double>(100.0, 1000.0));
Assert.False(filter.IsDesirable(message));
}
public void RetrievePriceRangeTest()
{
IStorage storage = new MockStorage();
Preferences preferences = new Preferences(storage);
preferences.AddCategory("cars");
Tuple <double, double> priceRange = new Tuple <double, double>(100.0, 856.0);
preferences.AddPriceRange("cars", priceRange);
Tuple <double, double> existingPriceRange = preferences.GetPriceRange("cars");
Assert.Equal(priceRange, existingPriceRange);
}