public async Task Check_Throws_Exception_On_Empty_BlackList_Value()
{
// Arrange
string key = "key";
Environment.SetEnvironmentVariable(key, "value");
EnvironmentBlackListChecker checker = new EnvironmentBlackListChecker(key);
// Act
await Assert.ThrowsAsync <ArgumentNullException>(() => checker.Check(string.Empty));
}
public async Task Check_Returns_True_For_Missing_Environment_Variable(string value)
{
// Arrange
EnvironmentBlackListChecker checker = new EnvironmentBlackListChecker();
// Act
bool result = await checker.Check(value);
// Assert
Assert.True(result);
}
public async Task Check_Always_Returns_True_For_Empty_Setting(string value)
{
// Arrange
Environment.SetEnvironmentVariable("key", "value");
EnvironmentBlackListChecker checker = new EnvironmentBlackListChecker();
// Act
bool result = await checker.Check(value);
// Assert
Assert.True(result);
}
public async Task Check_Compares_Input_To_Blacklist()
{
// Arrange
string key = "key";
Environment.SetEnvironmentVariable(key, "1,2,3,4,5,6");
EnvironmentBlackListChecker checker = new EnvironmentBlackListChecker(key);
// Act
bool result_1 = await checker.Check("1");
bool result_2 = await checker.Check("10");
// Assert
Assert.True(result_1);
Assert.True(!result_2);
}
public async Task Check_Returns_False_On_Empty_Key()
{
EnvironmentBlackListChecker checker = new EnvironmentBlackListChecker(string.Empty);
Assert.True(await checker.Check("somevalue"));
}
