public void RemoveSpecialValue_AddValueAndSpecialValueThenRemoveSpecialValue_SpecialValueGetsRemoved()
{
MockHeaders headers = new MockHeaders();
HttpHeaderValueCollection <Uri> collection = new HttpHeaderValueCollection <Uri>(knownUriHeader, headers,
specialValue);
collection.Add(new Uri("http://www.example.org/"));
collection.SetSpecialValue();
Assert.True(collection.IsSpecialValueSet, "Special value not set.");
Assert.Equal(2, headers.GetValues(knownUriHeader).Count());
collection.RemoveSpecialValue();
Assert.False(collection.IsSpecialValueSet, "Special value is set.");
Assert.Equal(1, headers.GetValues(knownUriHeader).Count());
}
public void RemoveSpecialValue_AddTwoValuesAndSpecialValueThenRemoveSpecialValue_SpecialValueGetsRemoved()
{
MockHeaders headers = new MockHeaders();
HttpHeaderValueCollection <Uri> collection = new HttpHeaderValueCollection <Uri>(knownUriHeader, headers,
specialValue);
collection.Add(new Uri("http://www.example.org/1/"));
collection.Add(new Uri("http://www.example.org/2/"));
collection.SetSpecialValue();
Assert.True(collection.IsSpecialValueSet, "Special value not set.");
Assert.Equal(3, headers.GetValues(knownUriHeader).Count());
// The difference between this test and the previous one is that HttpHeaders in this case will use
// a List<T> to store the two remaining values, whereas in the previous case it will just store
// the remaining value (no list).
collection.RemoveSpecialValue();
Assert.False(collection.IsSpecialValueSet, "Special value is set.");
Assert.Equal(2, headers.GetValues(knownUriHeader).Count());
}
public void RemoveSpecialValue_AddRemoveSpecialValue_SpecialValueGetsRemoved()
{
MockHeaders headers = new MockHeaders();
HttpHeaderValueCollection <Uri> collection = new HttpHeaderValueCollection <Uri>(knownUriHeader, headers,
specialValue);
collection.SetSpecialValue();
Assert.True(collection.IsSpecialValueSet, "Special value not set.");
Assert.Equal(1, headers.GetValues(knownUriHeader).Count());
collection.RemoveSpecialValue();
Assert.False(collection.IsSpecialValueSet, "Special value is set.");
// Since the only header value was the "special value", removing it will remove the whole header
// from the collection.
Assert.False(headers.Contains(knownUriHeader));
}
public void RemoveParsedValue_AddTwoValuesToKnownHeaderAndCompareWithValueThatDiffersInCase_CustomComparerUsedForComparison()
{
MockHeaders headers = new MockHeaders();
headers.AddParsedValue(knownHeader, "differentvalue");
headers.AddParsedValue(knownHeader, "value");
// Our custom comparer (MockComparer) does case-insensitive value comparison. Verify that our custom
// comparer is used to compare the header value.
// Note that since we added 2 values a different code path than in the previous test is used. In this
// case we have stored the values as List<string> internally.
Assert.True(headers.RemoveParsedValue(knownHeader, "VALUE"));
Assert.Equal(1, headers.GetValues(knownHeader).Count());
Assert.Equal(2, headers.Parser.MockComparer.EqualsCount);
}
public void RemoveParsedValue_AddInvalidValueAndRemoveValidValue_InvalidValueRemains()
{
MockHeaders headers = new MockHeaders();
headers.TryAddWithoutValidation(knownHeader, invalidHeaderValue);
// Remove a valid value which is not in the store.
Assert.False(headers.RemoveParsedValue(knownHeader, parsedPrefix));
Assert.Equal(1, headers.Parser.TryParseValueCallCount);
// Note that when the last value of a header gets removed, the whole header gets removed.
Assert.Equal(1, headers.Count());
Assert.Equal(invalidHeaderValue, headers.GetValues(knownHeader).First());
Assert.Equal(1, headers.Parser.TryParseValueCallCount);
// Remove the value again: It shouldn't be found in the store.
Assert.False(headers.RemoveParsedValue(knownHeader, parsedPrefix + "1"));
}
public void Add_SingleAddHeadersWithDifferentCasing_ConsideredTheSameHeader()
{
MockHeaders headers = new MockHeaders();
headers.Add("custom-header", "value1");
headers.Add("Custom-Header", "value2");
headers.Add("CUSTOM-HEADER", "value2");
Assert.Equal(3, headers.GetValues("custom-header").Count());
Assert.Equal(3, headers.GetValues("Custom-Header").Count());
Assert.Equal(3, headers.GetValues("CUSTOM-HEADER").Count());
Assert.Equal(3, headers.GetValues("CuStOm-HeAdEr").Count());
}
public void GetValues_GetValuesFromUninitializedHeaderStore_Throw()
{
MockHeaders headers = new MockHeaders();
// Get header values from uninitialized store (store collection is null). This will throw.
Assert.Throws<InvalidOperationException>(() => { headers.GetValues("doesntexist"); });
}
public void RemoveSpecialValue_AddValueAndSpecialValueThenRemoveSpecialValue_SpecialValueGetsRemoved()
{
MockHeaders headers = new MockHeaders(knownHeader, new MockHeaderParser(typeof(Uri)));
HttpHeaderValueCollection<Uri> collection = new HttpHeaderValueCollection<Uri>(knownHeader, headers,
specialValue);
collection.Add(new Uri("http://www.example.org/"));
collection.SetSpecialValue();
Assert.True(collection.IsSpecialValueSet, "Special value not set.");
Assert.Equal(2, headers.GetValues(knownHeader).Count());
collection.RemoveSpecialValue();
Assert.False(collection.IsSpecialValueSet, "Special value is set.");
Assert.Equal(1, headers.GetValues(knownHeader).Count());
}
public void AddParsedValue_FirstAddInvalidNewlineCharsValueThenAddValidValueThenCallAddParsedValue_ParsedValueAdded()
{
MockHeaders headers = new MockHeaders();
// Add header value with invalid newline chars.
headers.TryAddWithoutValidation(knownHeader, invalidHeaderValue + "\r\ninvalid");
headers.TryAddWithoutValidation(knownHeader, rawPrefix + "0");
Assert.Equal(0, headers.Parser.TryParseValueCallCount);
headers.AddParsedValue(knownHeader, parsedPrefix + "1");
Assert.True(headers.Contains(knownHeader), "Store should have an entry for 'knownHeader'.");
Assert.Equal(2, headers.GetValues(knownHeader).Count());
Assert.Equal(parsedPrefix + "0", headers.GetValues(knownHeader).ElementAt(0));
Assert.Equal(parsedPrefix + "1", headers.GetValues(knownHeader).ElementAt(1));
}
public void AddParsedValue_UseDifferentAddMethods_AllValuesAddedCorrectly()
{
MockHeaders headers = new MockHeaders();
headers.Add(knownHeader, rawPrefix + "1");
headers.TryAddWithoutValidation(knownHeader, rawPrefix + "2");
Assert.Equal(1, headers.Parser.TryParseValueCallCount);
headers.AddParsedValue(knownHeader, parsedPrefix + "3");
// Adding a parsed value, will trigger all raw values to be parsed.
Assert.Equal(2, headers.Parser.TryParseValueCallCount);
Assert.Equal(3, headers.GetValues(knownHeader).Count());
Assert.Equal(parsedPrefix + "1", headers.First().Value.ElementAt(0));
Assert.Equal(parsedPrefix + "2", headers.First().Value.ElementAt(1));
Assert.Equal(parsedPrefix + "3", headers.First().Value.ElementAt(2));
}
public void TryAddWithoutValidation_AddEmptyValueString_HeaderWithNoValueAfterParsing()
{
MockHeaders headers = new MockHeaders();
// The parser returns 'true' to indicate that it could parse the value (empty values allowed) and an
// value of 'null'. HttpHeaders will remove the header from the collection since the known header doesn't
// have a value.
headers.TryAddWithoutValidation(knownHeader, string.Empty);
Assert.Equal(0, headers.Parser.TryParseValueCallCount);
Assert.Equal(0, headers.Count());
headers.Clear();
headers.TryAddWithoutValidation("custom", (string)null);
Assert.Equal(1, headers.Count());
Assert.Equal(1, headers.First().Value.Count());
Assert.Equal(string.Empty, headers.GetValues("custom").First());
}
public void GetValues_HeadersWithEmptyValues_ReturnsEmptyArray()
{
MockHeaders headers = new MockHeaders();
headers.TryAddWithoutValidation(customHeader, (string)null);
headers.Add(knownHeader, string.Empty);
// In the known header case, the MockParser accepts empty values but tells the store to not add the value.
// Since no value is added for 'knownHeader', HttpHeaders removes the header from the store. This is only
// done for known headers. Custom headers are allowed to have empty/null values as shown by
// 'valuesForCustomHeaders' below
Assert.False(headers.Contains(knownHeader));
// In the custom header case, we add whatever the users adds (besides that we add string.Empty if the
// user adds null). So here we do have 1 value: string.Empty.
IEnumerable<string> valuesForCustomHeader = headers.GetValues(customHeader);
Assert.NotNull(valuesForCustomHeader);
Assert.Equal(1, valuesForCustomHeader.Count());
Assert.Equal(string.Empty, valuesForCustomHeader.First());
}
public void GetValues_GetValuesForExistingHeader_ReturnsTrueAndListOfValues()
{
MockHeaders headers = new MockHeaders();
headers.TryAddWithoutValidation("custom", rawPrefix + "0"); // this must not influence the result.
headers.Add(knownHeader, rawPrefix + "1");
headers.TryAddWithoutValidation(knownHeader, rawPrefix + "2");
// Only 1 value should get parsed (call to Add() with known header value).
Assert.Equal(1, headers.Parser.TryParseValueCallCount);
IEnumerable<string> values = headers.GetValues(knownHeader);
Assert.NotNull(values);
// GetValues() should trigger parsing of values added with TryAddWithoutValidation()
Assert.Equal(2, headers.Parser.TryParseValueCallCount);
Assert.Equal(2, values.Count());
// Check returned values
Assert.Equal(parsedPrefix + "1", values.ElementAt(0));
Assert.Equal(parsedPrefix + "2", values.ElementAt(1));
}
public void GetValues_GetValuesForNonExistingHeader_Throw()
{
MockHeaders headers = new MockHeaders();
headers.Add("custom1", "customValue1");
// Get header values for non-existing header (but other headers exist in the store).
Assert.Throws<InvalidOperationException>(() => { headers.GetValues("doesntexist"); });
}
public void SetParsedValue_SetValueAfterAddingMultipleValues_SetValueReplacesOtherValues()
{
MockHeaders headers = new MockHeaders();
headers.Add(knownHeader, rawPrefix + "1");
headers.TryAddWithoutValidation(knownHeader, rawPrefix + "2");
Assert.Equal(1, headers.Parser.TryParseValueCallCount);
headers.SetParsedValue(knownHeader, parsedPrefix + "3");
// Adding a parsed value, will trigger all raw values to be parsed.
Assert.Equal(2, headers.Parser.TryParseValueCallCount);
Assert.Equal(1, headers.GetValues(knownHeader).Count());
Assert.Equal(parsedPrefix + "3", headers.First().Value.ElementAt(0));
}
public void RemoveSpecialValue_AddRemoveSpecialValue_SpecialValueGetsRemoved()
{
MockHeaders headers = new MockHeaders(knownHeader, new MockHeaderParser(typeof(Uri)));
HttpHeaderValueCollection<Uri> collection = new HttpHeaderValueCollection<Uri>(knownHeader, headers,
specialValue);
collection.SetSpecialValue();
Assert.True(collection.IsSpecialValueSet, "Special value not set.");
Assert.Equal(1, headers.GetValues(knownHeader).Count());
collection.RemoveSpecialValue();
Assert.False(collection.IsSpecialValueSet, "Special value is set.");
// Since the only header value was the "special value", removing it will remove the whole header
// from the collection.
Assert.False(headers.Contains(knownHeader));
}
public void AddHeaders_SourceAndDestinationStoreHaveMultipleHeaders_OnlyHeadersNotInDestinationAreCopiedFromSource()
{
Dictionary<string, HttpHeaderParser> parserStore = new Dictionary<string, HttpHeaderParser>();
parserStore.Add("known1", new MockHeaderParser());
parserStore.Add("known2", new MockHeaderParser());
parserStore.Add("known3", new MockHeaderParser());
parserStore.Add("known4", new CustomTypeHeaderParser());
// Add header values to the source store.
MockHeaders source = new MockHeaders(parserStore);
source.Add("custom1", "source10");
source.Add("custom1", "source11");
source.TryAddWithoutValidation("custom2", "source2");
source.Add("known1", rawPrefix + "3");
source.TryAddWithoutValidation("known1", rawPrefix + "4");
source.TryAddWithoutValidation("known2", rawPrefix + "5");
source.TryAddWithoutValidation("known2", invalidHeaderValue);
source.TryAddWithoutValidation("known2", rawPrefix + "7");
// this header value gets removed when it gets parsed.
source.TryAddWithoutValidation("known3", (string)null);
source.Add("known3", string.Empty);
DateTimeOffset known4Value1 = new DateTimeOffset(2010, 6, 15, 18, 31, 34, TimeSpan.Zero);
DateTimeOffset known4Value2 = new DateTimeOffset(2010, 4, 8, 11, 21, 04, TimeSpan.Zero);
source.AddParsedValue("known4", known4Value1);
source.AddParsedValue("known4", known4Value2);
source.Add("custom5", "source5");
source.TryAddWithoutValidation("custom6", (string)null);
// This header value gets added even though it doesn't have values. But since this is a custom header we
// assume it supports empty values.
source.TryAddWithoutValidation("custom7", (string)null);
source.Add("custom7", string.Empty);
// Add header values to the destination store.
MockHeaders destination = new MockHeaders(parserStore);
destination.Add("custom2", "destination1");
destination.Add("known1", rawPrefix + "9");
// Now add all headers that are in source but not destination to destination.
destination.AddHeaders(source);
Assert.Equal(8, destination.Count());
Assert.Equal(2, destination.GetValues("custom1").Count());
Assert.Equal("source10", destination.GetValues("custom1").ElementAt(0));
Assert.Equal("source11", destination.GetValues("custom1").ElementAt(1));
// This value was set in destination. The header in source was ignored.
Assert.Equal(1, destination.GetValues("custom2").Count());
Assert.Equal("destination1", destination.GetValues("custom2").First());
// This value was set in destination. The header in source was ignored.
Assert.Equal(1, destination.GetValues("known1").Count());
Assert.Equal(parsedPrefix + "9", destination.GetValues("known1").First());
// The header in source gets first parsed and then copied to destination. Note that here we have one
// invalid value.
Assert.Equal(3, destination.GetValues("known2").Count());
Assert.Equal(parsedPrefix + "5", destination.GetValues("known2").ElementAt(0));
Assert.Equal(parsedPrefix + "7", destination.GetValues("known2").ElementAt(1));
Assert.Equal(invalidHeaderValue, destination.GetValues("known2").ElementAt(2));
// Header 'known3' should not be copied, since it doesn't contain any values.
Assert.False(destination.Contains("known3"), "'known3' header value count.");
Assert.Equal(2, destination.GetValues("known4").Count());
Assert.Equal(known4Value1.ToString(), destination.GetValues("known4").ElementAt(0));
Assert.Equal(known4Value2.ToString(), destination.GetValues("known4").ElementAt(1));
Assert.Equal("source5", destination.GetValues("custom5").First());
Assert.Equal(string.Empty, destination.GetValues("custom6").First());
// Unlike 'known3', 'custom7' was added even though it only had empty values. The reason is that 'custom7'
// is a custom header so we just add whatever value we get passed in.
Assert.Equal(2, destination.GetValues("custom7").Count());
Assert.Equal("", destination.GetValues("custom7").ElementAt(0));
Assert.Equal("", destination.GetValues("custom7").ElementAt(1));
}
public void RemoveSpecialValue_AddTwoValuesAndSpecialValueThenRemoveSpecialValue_SpecialValueGetsRemoved()
{
MockHeaders headers = new MockHeaders(knownHeader, new MockHeaderParser(typeof(Uri)));
HttpHeaderValueCollection<Uri> collection = new HttpHeaderValueCollection<Uri>(knownHeader, headers,
specialValue);
collection.Add(new Uri("http://www.example.org/1/"));
collection.Add(new Uri("http://www.example.org/2/"));
collection.SetSpecialValue();
Assert.True(collection.IsSpecialValueSet, "Special value not set.");
Assert.Equal(3, headers.GetValues(knownHeader).Count());
// The difference between this test and the previous one is that HttpHeaders in this case will use
// a List<T> to store the two remaining values, whereas in the previous case it will just store
// the remaining value (no list).
collection.RemoveSpecialValue();
Assert.False(collection.IsSpecialValueSet, "Special value is set.");
Assert.Equal(2, headers.GetValues(knownHeader).Count());
}
public void GetValues_UseNullHeader_Throw()
{
MockHeaders headers = new MockHeaders();
Assert.Throws<ArgumentException>(() => { headers.GetValues(null); });
}