public void Update_HeadersNull_Throws()
{
// arrange
var manager = new HeaderManager();
// act
// assert
Assert.Throws <ArgumentNullException>(() => manager.Update(null));
}
public void Update_CacheUpdated_Success()
{
// arrange
var items = new List <(string, string)>
{
(ResponseHeader.PageSize.Name, "50"),
(ResponseHeader.Count.Name, "100"),
};
var manager = new HeaderManager();
// act
manager.Update(items);
// assert
Assert.NotEmpty(manager.Get <string>(ResponseHeader.PageSize));
}
public void Get_KeyDoesNotExist_ReturnsDefault()
{
// arrange
var items = new List <(string, string)>
{
("key1", "value1"),
("key2", "value2"),
};
var manager = new HeaderManager();
manager.Update(items);
// act
var result = manager.Get <string>(ResponseHeader.PageSize);
// assert
Assert.Null(result);
}
public void Get_FailsConvertion_ReturnsDefault()
{
// arrange
var items = new List <(string, string)>
{
(ResponseHeader.PageSize.Name, "Not an integer"),
(ResponseHeader.Count.Name, "100"),
};
var manager = new HeaderManager();
manager.Update(items);
// act
var result = manager.Get <int>(ResponseHeader.PageSize);
// assert
Assert.Equal(0, result);
}
public void Get_KeyExists_Success()
{
// arrange
const int PAGE_SIZE = 50;
var items = new List <(string, string)>
{
(ResponseHeader.PageSize.Name, PAGE_SIZE.ToString()),
(ResponseHeader.Count.Name, "100"),
};
var manager = new HeaderManager();
manager.Update(items);
// act
var result = manager.Get <int>(ResponseHeader.PageSize);
// assert
Assert.Equal(PAGE_SIZE, result);
}