public void Throws_exception_when_value_of_matching_string_property_does_not_match()
{
var table = new Table("Field", "Value");
table.AddRow("StringProperty", "Howard Roark");
var test = new InstanceComparisonTestObject {StringProperty = "Peter Keating"};
ComparisonTestResult comparisonResult = ExceptionWasThrownByThisComparison(table, test);
comparisonResult.ExceptionWasThrown.ShouldBeTrue();
}
public void Does_not_throw_exception_when_value_of_matching_string_property_matches()
{
var table = new Table("Field", "Value");
table.AddRow("StringProperty", "Howard Roark");
var test = new InstanceComparisonTestObject {StringProperty = "Howard Roark"};
ComparisonTestResult comparisonResult = ExceptionWasThrownByThisComparison(table, test);
comparisonResult.ExceptionWasThrown.ShouldBeFalse(comparisonResult.ExceptionMessage);
}
public void Exception_returns_an_exception_for_one_error_when_there_is_one_difference()
{
var table = new Table("Field", "Value");
table.AddRow("StringProperty", "Howard Roark");
var test = new InstanceComparisonTestObject { StringProperty = "Peter Keating" };
var exception = GetExceptionThrownByThisComparison(table, test);
exception.Message.AgnosticLineBreak().Should().Be(
@"The following fields did not match:
StringProperty: Expected <Howard Roark>, Actual <Peter Keating>".AgnosticLineBreak());
}
public void Throws_exception_when_first_row_matches_but_second_does_not()
{
var table = new Table("Field", "Value");
table.AddRow("StringProperty", "Howard Roark");
table.AddRow("IntProperty", "20");
var test = new InstanceComparisonTestObject
{
StringProperty = "Howard Roark",
IntProperty = 10
};
ComparisonTestResult comparisonResult = ExceptionWasThrownByThisComparison(table, test);
comparisonResult.ExceptionWasThrown.ShouldBeTrue();
}
public void Can_compare_a_horizontal_table()
{
var table = new Table("StringProperty", "IntProperty", "DecimalProperty", "FloatProperty");
table.AddRow("Test", "42", "23.01", "11.56");
var test = new InstanceComparisonTestObject
{
StringProperty = "Test",
IntProperty = 42,
DecimalProperty = 23.01M,
FloatProperty = 11.56F
};
var comparisonResult = ExceptionWasThrownByThisComparison(table, test);
comparisonResult.ExceptionWasThrown.Should().BeFalse(comparisonResult.ExceptionMessage);
}
public void returns_true_if_instance_matches_horizontal_table()
{
var table = new Table("IntProperty", "BoolProperty", "StringProperty", "DateTimeProperty");
table.AddRow("1", "true", "Test", "4/30/2016");
var test = new InstanceComparisonTestObject()
{
IntProperty = 1,
BoolProperty = true,
StringProperty = "Test",
DateTimeProperty = new DateTime(2016, 4, 30)
};
var result = GetResultFromThisComparison(table, test);
result.Should().Be(true);
}
public void returns_false_if_instance_values_do_not_match()
{
var table = new Table("IntProperty", "BoolProperty", "StringProperty", "DateTimeProperty");
table.AddRow("1", "true", "Test", "4/30/2016");
var test = new InstanceComparisonTestObject
{
IntProperty = 1,
BoolProperty = true,
StringProperty = "Test",
DateTimeProperty = new DateTime(2016, 4, 1)
};
var result = GetResultFromThisComparison(table, test);
result.Should().Be(false);
}
public void Should_not_throw_an_exception_when_the_ToString_values_of_each_match()
{
var table = new Table("Field", "Value");
table.AddRow("StringProperty", "Howard Roark");
table.AddRow("IntProperty", "10");
table.AddRow("DateTimeProperty", "12/25/2010 8:00:00 AM");
var test = new InstanceComparisonTestObject
{
StringProperty = "Howard Roark",
IntProperty = 10,
DateTimeProperty = new DateTime(2010, 12, 25, 8, 0, 0)
};
ComparisonTestResult comparisonResult = ExceptionWasThrownByThisComparison(table, test);
comparisonResult.ExceptionWasThrown.ShouldBeFalse(comparisonResult.ExceptionMessage);
}
public void Should_not_throw_an_exception_when_the_date_time_value_is_midnight_and_the_table_does_not_include_a_time()
{
var table = new Table("Field", "Value");
table.AddRow("DateTimeProperty", "12/25/2010");
var test = new InstanceComparisonTestObject
{
DateTimeProperty = new DateTime(2010, 12, 25, 0, 0, 0)
};
ComparisonTestResult comparisonResult = ExceptionWasThrownByThisComparison(table, test);
comparisonResult.ExceptionWasThrown.ShouldBeFalse(comparisonResult.ExceptionMessage);
}
private static ComparisonTestResult ExceptionWasThrownByThisComparison(Table table, InstanceComparisonTestObject test)
{
var result = new ComparisonTestResult { ExceptionWasThrown = false };
try
{
table.CompareToInstance(test);
}
catch (ComparisonException ex)
{
result.ExceptionWasThrown = true;
result.ExceptionMessage = ex.Message;
}
return result;
}
private static ComparisonException GetExceptionThrownByThisComparison(Table table, InstanceComparisonTestObject test)
{
try
{
table.CompareToInstance(test);
}
catch (ComparisonException ex)
{
return ex;
}
return null;
}
public void Ignores_casing_when_matching_property_name()
{
var table = new Table("Field", "Value");
table.AddRow("STRINGproperty", "Howard Roark");
var test = new InstanceComparisonTestObject { StringProperty = "Howard Roark" };
var comparisonResult = ExceptionWasThrownByThisComparison(table, test);
comparisonResult.ExceptionWasThrown.ShouldBeFalse(comparisonResult.ExceptionMessage);
}
public void Exception_returns_a_descriptive_error_when_property_in_table_does_not_exist()
{
var table = new Table("Field", "Value");
table.AddRow("IDoNotExist", "Ok, mister");
var test = new InstanceComparisonTestObject();
var exception = GetExceptionThrownByThisComparison(table, test);
exception.Message.ShouldEqual(@"The following fields did not match:
IDoNotExist: Property does not exist");
}
public void Exception_returns_an_exception_for_two_errors_when_there_are_two_differences()
{
var table = new Table("Field", "Value");
table.AddRow("StringProperty", "Howard Roark");
table.AddRow("IntProperty", "1");
var test = new InstanceComparisonTestObject
{
StringProperty = "Peter Keating",
IntProperty = 2
};
var exception = GetExceptionThrownByThisComparison(table, test);
exception.Message.ShouldEqual(
@"The following fields did not match:
StringProperty: Expected <Howard Roark>, Actual <Peter Keating>
IntProperty: Expected <1>, Actual <2>");
}
public void Should_not_throw_an_exception_when_actual_value_is_null_and_expected_is_empty()
{
var table = new Table("Field", "Value");
table.AddRow("NullableField", "");
var test = new InstanceComparisonTestObject
{
NullableField = null,
};
ComparisonTestResult comparisonResult = ExceptionWasThrownByThisComparison(table, test);
comparisonResult.ExceptionWasThrown.ShouldBeFalse(comparisonResult.ExceptionMessage);
}
private static bool GetResultFromThisComparison(Table table, InstanceComparisonTestObject test)
{
return table.IsEquivalentToInstance(test);
}