public void TestNonExistantCase()
{
var interpreter = new PaginationByClientRequestInterpreter(
new EmptyHttpContextStorage(), new MockPropertyNameResolver());
var result = interpreter.ParseRequestQuery();
Assert.Null(result.Limit);
Assert.Null(result.Offset);
}
public void TestSuccessfulEntriesPerPageValue()
{
const int limit = 5;
var interpreter = new PaginationByClientRequestInterpreter(
new HttpContextStorage().SetLimitValue(limit.ToString()),
new MockPropertyNameResolver());
var result = interpreter.ParseRequestQuery();
Assert.Equal(limit, result.Limit);
}
public void TestSuccessfulPageValue()
{
const int offset = 5;
var interpreter = new PaginationByClientRequestInterpreter(
new HttpContextStorage().SetOffsetValue(offset.ToString()),
new MockPropertyNameResolver());
var result = interpreter.ParseRequestQuery();
Assert.Equal(offset, result.Offset);
}
public void NotSupportedLimitTheory(string entriesPerPage)
{
var interpreter = new PaginationByClientRequestInterpreter(
new HttpContextStorage().SetLimitValue(entriesPerPage),
new MockPropertyNameResolver());
var result = interpreter.ParseRequestQuery();
Assert.Null(result.Limit);
Assert.Null(result.Offset);
}
public void TestEmptyEntriesPerPageCase()
{
var interpreter = new PaginationByClientRequestInterpreter(
new HttpContextStorage().SetLimitValue(string.Empty),
new MockPropertyNameResolver());
var result = interpreter.ParseRequestQuery();
Assert.Null(result.Limit);
Assert.Null(result.Offset);
}
public void RangeHeaderTheory(int rangeStart, int rangeEnd, int limit)
{
var interpreter = new PaginationByClientRequestInterpreter(
new HttpContextStorage().SetRangeHeader($"items={rangeStart}-{rangeEnd}"),
new MockPropertyNameResolver());
var result = interpreter.ParseRequestQuery();
Assert.Equal(rangeStart, result.Offset);
Assert.Equal(limit, result.Limit);
}
public void RangeHeaderMalformattedTheory(string rangeValue)
{
var interpreter = new PaginationByClientRequestInterpreter(
new HttpContextStorage().SetRangeHeader(rangeValue),
new MockPropertyNameResolver());
var result = interpreter.ParseRequestQuery();
Assert.Null(result.Limit);
Assert.Null(result.Offset);
}
public void TestPrecedence()
{
const int offset = 10;
const int limit = 10;
var context = new HttpContextStorage()
.SetRangeHeader($"items={0}-{29}")
.SetOffsetValue(offset.ToString())
.SetLimitValue(limit.ToString());
var interpreter = new PaginationByClientRequestInterpreter(
context, new MockPropertyNameResolver());
var result = interpreter.ParseRequestQuery();
Assert.Equal(offset, result.Offset);
Assert.Equal(limit, result.Limit);
}