public override void DescribeTo(IDescription description)
{
description.AppendText("a dictionary consisting of:");
var first = true;
using (description.IndentBy(4))
{
foreach (var entryDescriptor in _entryDescriptors)
{
if (!first)
{
description.AppendText(",");
}
description.AppendNewLine()
.AppendText("an entry where:");
using (description.IndentBy(4))
{
description.AppendNewLine()
.AppendText("key: ")
.AppendDescriptionOf(entryDescriptor.KeyMatcher)
.AppendNewLine()
.AppendText("value: ")
.AppendDescriptionOf(entryDescriptor.ValueMatcher);
}
first = false;
}
}
}
public override void DescribeTo(IDescription description)
{
var matcherArray = _matcherCollection.ToArray();
if (matcherArray.Length == 0)
{
description.AppendText("an empty list");
return;
}
description.AppendText("a list containing:");
using (description.IndentBy(4))
{
description.AppendNewLine();
var first = true;
foreach (var matcher in matcherArray)
{
if (!first)
{
description.AppendText(",").AppendNewLine();
}
description.AppendDescriptionOf(matcher);
first = false;
}
}
}
private void DescribeMatchers(IDescription description, IEnumerable <IMatcher <T> > matchers, Action <IDescription, IMatcher <T> > matcherRenderer)
{
using (description.IndentBy(Indent))
{
foreach (var matcher in matchers)
{
description.AppendNewLine();
matcherRenderer(description, matcher);
}
}
}
protected override bool MatchesSafely(IEnumerable <T> collection, IDescription mismatchDescription)
{
var collectionArray = collection.ToArray();
var matcherArray = _matcherCollection.ToArray();
for (var i = 0; i < Math.Max(collectionArray.Length, matcherArray.Length); i++)
{
if (i >= collectionArray.Length)
{
mismatchDescription.AppendText("was too short (expected to be of length {0}, was {1})", matcherArray.Length, collectionArray.Length);
return(false);
}
if (i >= matcherArray.Length)
{
mismatchDescription.AppendText("was too long (expected to be of length {0}, was {1})", matcherArray.Length, collectionArray.Length);
return(false);
}
if (!matcherArray[i].Matches(collectionArray[i]))
{
mismatchDescription.AppendText("was not matched at position {0}:", i);
using (mismatchDescription.IndentBy(4))
{
mismatchDescription.AppendNewLine()
.AppendText("expected: ")
.AppendDescriptionOf(matcherArray[i])
.AppendNewLine()
.AppendText("but: ");
matcherArray[i].DescribeMismatch(collectionArray[i], mismatchDescription);
}
return(false);
}
}
return(true);
}
protected override bool MatchesSafely(IDictionary <TKey, TValue> dictionary, IDescription mismatchDescription)
{
var descriptorList = _entryDescriptors.ToList();
var entriesList = dictionary.AsEnumerable().Cast <KeyValuePair <TKey, TValue>?>().ToList();
var differentEntriesList = new List <Tuple <KeyValuePair <TKey, TValue>, EntryDescriptor <TKey, TValue> > >();
var missingDescriptorsList = new List <EntryDescriptor <TKey, TValue> >();
for (var i = 0; i < descriptorList.Count; i++)
{
var descriptor = descriptorList[i];
var matchingKeyEntry = entriesList.FirstOrDefault(x => descriptor.KeyMatcher.Matches(x.Value.Key));
if (matchingKeyEntry == null)
{
missingDescriptorsList.Add(descriptor);
continue;
}
entriesList.Remove(matchingKeyEntry);
if (!descriptor.ValueMatcher.Matches(matchingKeyEntry.Value.Value))
{
differentEntriesList.Add(Tuple.Create(matchingKeyEntry.Value, descriptor));
}
}
if (entriesList.Count == 0 && differentEntriesList.Count == 0 && missingDescriptorsList.Count == 0)
{
return(true);
}
mismatchDescription.AppendText("was a dictionary that:");
using (mismatchDescription.IndentBy(4))
{
var first = true;
foreach (var differentEntry in differentEntriesList)
{
if (!first)
{
mismatchDescription.AppendText(",");
}
mismatchDescription.AppendNewLine();
mismatchDescription.AppendText("had a different entry where:");
using (mismatchDescription.IndentBy(4))
{
mismatchDescription.AppendNewLine()
.AppendText("key: ")
.AppendDescriptionOf(differentEntry.Item2.KeyMatcher)
.AppendNewLine()
.AppendText("value: ");
differentEntry.Item2.ValueMatcher.DescribeMismatch(differentEntry.Item1.Value, mismatchDescription);
}
first = false;
}
foreach (var entryDescriptor in missingDescriptorsList)
{
if (!first)
{
mismatchDescription.AppendText(",");
}
mismatchDescription.AppendNewLine();
mismatchDescription.AppendText("did not have an entry where:");
using (mismatchDescription.IndentBy(4))
{
mismatchDescription.AppendNewLine()
.AppendText("key: ")
.AppendDescriptionOf(entryDescriptor.KeyMatcher)
.AppendNewLine()
.AppendText("value: ")
.AppendDescriptionOf(entryDescriptor.ValueMatcher);
}
first = false;
}
foreach (var additionalEntry in entriesList)
{
if (!first)
{
mismatchDescription.AppendText(",");
}
mismatchDescription.AppendNewLine();
mismatchDescription.AppendText("had an additional entry where:");
using (mismatchDescription.IndentBy(4))
{
mismatchDescription.AppendNewLine()
.AppendText("key: ")
.AppendValue(additionalEntry.Value.Key)
.AppendNewLine()
.AppendText("value: ")
.AppendValue(additionalEntry.Value.Value);
}
first = false;
}
return(false);
}
}