public void ShouldPutMultipleValuesForKey(MultiDictionaryContext context)
{
// given
var multiDictionary = context.Create <int, string>();
// when
multiDictionary.Put(1, "A");
multiDictionary.Put(1, "B");
multiDictionary.Put(1, "C");
multiDictionary.Put(2, "A");
multiDictionary.PutAll(3, Lists.AsList("X", "Y", "Z"));
// then
Check.That(multiDictionary.Count).IsEqualTo(7);
Check.That(multiDictionary.Values).HasSize(7);
Check.That(multiDictionary.Values).Contains("A", "B", "C", "A", "X", "Y", "Z");
Check.That(multiDictionary.Get(1)).ContainsExactly("A", "B", "C");
Check.That(multiDictionary.ValuesCount(1)).IsEqualTo(3);
Check.That(multiDictionary.Get(2)).ContainsExactly("A");
Check.That(multiDictionary.ValuesCount(2)).IsEqualTo(1);
Check.That(multiDictionary[3]).ContainsExactly("X", "Y", "Z");
Check.That(multiDictionary.ValuesCount(3)).IsEqualTo(3);
}
public void RetunedCollectionsShouldNotAffectDictionary(MultiDictionaryContext context)
{
// given
var multiDictionary = context.Create <int, string>();
multiDictionary.PutAll(1, Lists.AsList("X", "Y", "Z"));
multiDictionary.PutAll(2, Lists.AsList("A", "B"));
var keys = multiDictionary.Keys;
var values = multiDictionary.Values;
var key1Values = multiDictionary.Get(1);
var key2Values = multiDictionary[2];
// when
keys.Clear();
values.Clear();
key1Values.Remove("Y");
key2Values.Remove("B");
// then
Check.That(multiDictionary.Keys).HasSize(2);
Check.That(multiDictionary.Keys).Contains(1, 2);
Check.That(multiDictionary.Values).HasSize(5);
Check.That(multiDictionary.Values).Contains("X", "Y", "Z", "A", "B");
Check.That(multiDictionary.Get(1)).ContainsExactly("X", "Y", "Z");
Check.That(multiDictionary.Get(2)).ContainsExactly("A", "B");
}
private static IEnumerable <ITestCaseData> ToStringTestCases()
{
yield return(new TestCaseData("test")
.SetName("Should return string")
.Returns("test"));
yield return(new TestCaseData(null)
.SetName("Should generate toString of null object")
.Returns("null"));
yield return(new TestCaseData(new List <int?> {
1, 2, null, 3
})
.SetName("Should generate toString of collection")
.Returns("[1, 2, null, 3]"));
yield return(new TestCaseData(Lists.EmptyList <int>())
.SetName("Should generate toString of empty collection")
.Returns("[]"));
yield return(new TestCaseData((object)new object[] { "A", "B", 3, 4 })
.SetName("Should generate toString of array")
.Returns("[A, B, 3, 4]"));
yield return(new TestCaseData(Dictionaries.Create("A", 1, "B", 2, "C", 3))
.SetName("Should generate toString of dictionary")
.Returns("[(A, 1), (B, 2), (C, 3)]"));
yield return(new TestCaseData(Dictionaries.Create(
"A", Lists.AsList(Lists.AsList(1, 2, 3), Lists.AsList(4, 5, 6)),
"B", Lists.AsList(Lists.AsList(1), Lists.AsList(2)),
"C", Lists.AsList(Lists.EmptyList <int>(), null)))
.SetName("Should generate toString of complex dictionary")
.Returns("[(A, [[1, 2, 3], [4, 5, 6]]), (B, [[1], [2]]), (C, [[], null])]"));
}
public void ShouldReturnEntries(MultiDictionaryContext context)
{
// given
var multiDictionary = context.Create <int, string>();
multiDictionary.Put(1, "A");
multiDictionary.Put(1, "B");
multiDictionary.Put(1, "C");
multiDictionary.Put(2, "A");
multiDictionary.PutAll(3, Lists.AsList("X", "Y", "Z"));
// when
var entries = multiDictionary.Entries;
// then
Check.That(entries).HasSize(7);
Check.That(entries).Contains(
Dictionaries.Entry(1, "A"),
Dictionaries.Entry(1, "B"),
Dictionaries.Entry(1, "C"),
Dictionaries.Entry(2, "A"),
Dictionaries.Entry(3, "X"),
Dictionaries.Entry(3, "Y"),
Dictionaries.Entry(3, "Z"));
}
private static IEnumerable <ITestCaseData> StringFormatTestCases()
{
yield return(new TestCaseData("test", new object[0])
.SetName("Should format string without params")
.Returns("test"));
yield return(new TestCaseData("This is '{0}'", new object[] { null })
.SetName("Should format null params")
.Returns("This is 'null'"));
yield return(new TestCaseData("{0}, {1}, {2}", new object[] { 1, "B", null })
.SetName("Should format multiple params")
.Returns("1, B, null"));
yield return(new TestCaseData("This is {0}", new object[] { Lists.AsList(1, 2, 3) })
.SetName("Should format list params")
.Returns("This is [1, 2, 3]"));
yield return(new TestCaseData("This is {0}", new object[] {
Lists.AsList(Lists.AsList("A", "B"), Lists.AsList("C", "D"), Lists.EmptyList <string>())
})
.SetName("Should format nested list params")
.Returns("This is [[A, B], [C, D], []]"));
yield return(new TestCaseData("This is {0}", new object[] { Dictionaries.Create("A", 1, "B", 2) })
.SetName("Should format dictionary params")
.Returns("This is [(A, 1), (B, 2)]"));
}
public void ShouldPutEntriesFromMultiDictionary(MultiDictionaryContext context)
{
// given
var multiDictionary = context.Create <int, string>();
multiDictionary.PutAll(1, context.CollectionOf("E", "F"));
multiDictionary.Put(3, "R");
var anotherMultiDictionary = new ArrayListMultiDictionary <int, string>();
anotherMultiDictionary.PutAll(1, Lists.AsList("A", "B", "C"));
anotherMultiDictionary.PutAll(2, Lists.AsList("X", "Y", "Z"));
anotherMultiDictionary.PutAll(3, Lists.AsList("Q", "W", "E"));
// when
multiDictionary.PutAll(anotherMultiDictionary);
// then
Check.That(multiDictionary.Count).IsEqualTo(12);
Check.That(multiDictionary.Values).HasSize(12);
Check.That(multiDictionary.Values).Contains(
"A", "B", "C", "E", "F", "Q", "W", "E", "R", "X", "Y", "Z");
Check.That(multiDictionary[1]).HasSize(5).And.Contains("A", "B", "C", "E", "F");
Check.That(multiDictionary[2]).HasSize(3).And.Contains("X", "Y", "Z");
Check.That(multiDictionary[3]).HasSize(4).And.Contains("Q", "W", "E", "R");
}
public void ShouldBuildImmutableListMultiDictionaryAndReturnImmutableListValues()
{
// given
var immutableListMultiDictionary = ImmutableListMultiDictionary <int, string> .Builder()
.Put(1, "A")
.Put(1, "A")
.Put(1, "B")
.PutAll(2, Lists.AsList("X", "Y", "Z"))
.PutAll(ArrayListMultiDictionary <int, string> .Of(3, "Z", 3, "W"))
.PutAll(Dictionaries.Create(4, "_"))
.Build();
// when
var values1 = immutableListMultiDictionary[1];
var values2 = immutableListMultiDictionary.Get(2);
var values3 = immutableListMultiDictionary.Get(3);
var values4 = immutableListMultiDictionary[4];
// then
Check.That(values1).HasSize(3).And.Contains("A", "B").And.IsInstanceOf <ImmutableList <string> >();
Check.That(values1.DistinctElementCount()).IsEqualTo(Dictionaries.Create("A", 2, "B", 1));
Check.That(values2).HasSize(3).And.Contains("X", "Y", "Z").And.IsInstanceOf <ImmutableList <string> >();
Check.That(values2.DistinctElementCount()).IsEqualTo(Dictionaries.Create("X", 1, "Y", 1, "Z", 1));
Check.That(values3).HasSize(2).And.Contains("Z", "W").And.IsInstanceOf <ImmutableList <string> >();
Check.That(values3.DistinctElementCount()).IsEqualTo(Dictionaries.Create("Z", 1, "W", 1));
Check.That(values4).HasSize(1).And.Contains("_").And.IsInstanceOf <ImmutableList <string> >();
Check.That(values4.DistinctElementCount()).IsEqualTo(Dictionaries.Create("_", 1));
}
public void ShouldExtendImmutableListByMinusMethod()
{
// given
IImmutableList <int> list = ImmutableList.CreateRange(Lists.AsList(1, 2, 3, 4, 4));
// when
var result = list.Minus(Lists.AsList(1, 3, 4));
// then
Check.That(result).ContainsExactly(2);
}
public void ShouldConvertSetToComparable()
{
// given
ISet <string> enumerable = new HashSet <string>(new [] { "A", "B", "C" });
// when
var comparable = enumerable.ToComparable();
// then
Check.That(comparable).IsEqualTo(Lists.AsList("C", "B", "A"));
}
public void ShouldExtendImmutableListByPlusMethod()
{
// given
IImmutableList <string> list = ImmutableList.CreateRange(Lists.AsList("A", "B"));
// when
var result = list.Plus(Lists.AsList("B", "C", "D"));
// then
Check.That(result).ContainsExactly("A", "B", "B", "C", "D");
}
public void ShouldExtenedEnumerableByToSetMethod()
{
// given
IEnumerable <int> enumerable = Lists.AsList(1, 2, 3, 3, 3, 4, 5);
// then
var set = enumerable.ToSet();
// then
Check.That(set).HasSize(5);
Check.That(set).Contains(1, 2, 3, 4, 5);
}
public void ShouldExtendListByAddAllMethod()
{
// given
IList <string> list = new List <string>();
// when
list.AddAll(Lists.AsList("A", "B", "C"));
list.AddAll("D", "E", "F");
// then
Check.That(list).ContainsExactly("A", "B", "C", "D", "E", "F");
}
private static IEnumerable <TestCaseData> NullSafeListTestCases()
{
yield return(new TestCaseData((IList <string>)null)
.SetName("Should create empty list for null")
.Returns(Lists.EmptyMutableList <string>()));
var notNullList = Lists.AsList("A", "B");
yield return(new TestCaseData(notNullList)
.SetName("Should return given list if not null")
.Returns(notNullList));
}
public void ShouldExtendEnumberableByToMultiDictionaryMethodWithoutValueConverter()
{
// given
IEnumerable <int> enumerable = Lists.AsList(1, 2, 3);
Converter <int, string> keyConverter = element => element.ToString();
// when
var multiDictionary = enumerable.ToMultiDictionary(keyConverter);
// then
Check.That(multiDictionary).IsEqualTo(ArrayListMultiDictionary <string, int> .Of("1", 1, "2", 2, "3", 3));
}
public void ShouldExtendImmutableSetByMinusMethod()
{
// given
IImmutableSet <int> set = ImmutableHashSet.CreateRange(Lists.AsList(1, 2, 3));
// when
var result = set.Minus(Lists.AsList(1, 3, 4));
// then
Check.That(result).HasSize(1);
Check.That(result).Contains(2);
}
public void ShouldExtendImmutableSetByPlusMethod()
{
// given
IImmutableSet <string> set = ImmutableHashSet.CreateRange(Lists.AsList("A", "B"));
// when
var result = set.Plus(Lists.AsList("B", "C", "D"));
// then
Check.That(result).HasSize(4);
Check.That(result).Contains("A", "B", "C", "D");
}
public void ShouldExtendSetByAddAllMethod()
{
// given
ISet <string> set = new HashSet <string>();
// when
set.AddAll(Lists.AsList("A", "B", "C"));
set.AddAll("D", "E", "F");
// then
Check.That(set).HasSize(6);
Check.That(set).Contains("A", "B", "C", "D", "E", "F");
}
public void ShouldExtendArrayEnumerableByContainsAllMethod()
{
// given
IEnumerable array = new object[] { 1, "A", "X" };
// when
var containsAll1 = array.ContainsAll(Lists.AsList("A", "X"));
var containsAll2 = array.ContainsAll(Lists.AsList("A", "X", "B"));
// then
Check.That(containsAll1).IsTrue();
Check.That(containsAll2).IsFalse();
}
public void ShouldBuildToStringFromFields()
{
// given
var obj = new TestObj2(age: 30, surname: "Testowski", data: Lists.AsList("A", "B", "C"));
// when
var toString = ToStringHelper.Of(obj)
.AddFields()
.ToString();
// then
Check.That(toString).IsEqualTo("TestObj2 {age:30, surname:Testowski, data:[A, B, C]}");
}
public void ShouldExtendListByPlusMethod()
{
// given
IList <string> list = new List <string> {
"A", "B"
};
// when
var result = list.Plus(Lists.AsList("B", "C", "D"));
// then
Check.That(result).ContainsExactly("A", "B", "B", "C", "D");
}
public void ShouldConvertCollectionToComparable()
{
// given
ICollection <string> enumerable = new[] { "A", "B", "C" };
// when
var comparable = enumerable.ToComparable();
// then
Check.That(comparable).IsEqualTo(Lists.AsList("A", "B", "C"));
Check.That(comparable.GetHashCode()).IsEqualTo(enumerable.ToComparable().GetHashCode());
Check.That(comparable.ToString()).IsEqualTo("[A, B, C]");
}
public void ShouldExtenedLinkedListByFindAllMethod()
{
// given
IEnumerable <int> list = Lists.AsLinkedList(Lists.AsList(1, 2, 3, 4));
Predicate <int> filter = item => item % 2 == 0;
// when
var filtered = list.FindAll(filter);
// then
Check.That(filtered).IsInstanceOf <LinkedList <int> >();
Check.That(filtered).ContainsExactly(2, 4);
}
public void ShouldExtenedEnumerableByDistinctElementCountMethod()
{
// given
var set = Sets.AsSet("A", "B", "C");
var list = Lists.AsList("A", "B", "B", "B", "C", "C", "D", "D", "D", "D");
// when
var setDistinctElementsCount = set.DistinctElementCount();
var listDistinctElementsCount = list.DistinctElementCount();
// then
Check.That(setDistinctElementsCount).IsEqualTo(Dictionaries.Create("A", 1, "B", 1, "C", 1));
Check.That(listDistinctElementsCount).IsEqualTo(Dictionaries.Create("A", 1, "B", 3, "C", 2, "D", 4));
}
public void ShouldExtendSetByPlusMethod()
{
// given
ISet <string> set = new HashSet <string> {
"A", "B"
};
// when
var result = set.Plus(Lists.AsList("B", "C", "D"));
// then
Check.That(result).HasSize(4);
Check.That(result).Contains("A", "B", "C", "D");
}
public void ShouldPassIsCollectionNotEmptyEvaluationWithMessage()
{
// given
const string errorMessage = "Collection cannot be empty";
IEnumerable <int> enumerable = Lists.AsList(1, 2, 3);
// when
var result = Try.To(() => Preconditions.IsNotEmpty(enumerable, errorMessage));
// then
var caughtException = result.IsFailure ? result.Error : null;
Check.That(caughtException).IsNull();
}
public void ShouldPreventImmutableMultiDictionaryPutAllKeyEntries(ImmutableMultiDictionaryCreator creator)
{
// given
var immutableMultiDictionary = creator.Create <int, string>();
// when
var result = Try.To(() => immutableMultiDictionary.PutAll(1, Lists.AsList("A", "B", "C")));
// then
var caughtException = result.IsFailure ? result.Error : null;
Check.That(caughtException).IsNotNull();
Check.That(caughtException).IsInstanceOf <InvalidOperationException>();
Check.That(immutableMultiDictionary).IsEqualTo(creator.Create <int, string>());
}
public void ShouldExtendSetByRemoveAllMethod()
{
// given
ISet <string> set = new HashSet <string> {
"A", "B", "C", "D", "E", "F"
};
// when
set.RemoveAll(Lists.AsList("A", "B"));
set.RemoveAll("E", "F");
// then
Check.That(set).HasSize(2);
Check.That(set).Contains("C", "D");
}
public void ShouldReplaceKeyValues(MultiDictionaryContext context)
{
// given
var multiDictionary = context.Create <string, int>();
multiDictionary.PutAll("A", Lists.AsList(1, 2, 3, 4));
// when
var replaced = multiDictionary.ReplaceValues("A", Lists.AsList(5, 6));
// when
Check.That(multiDictionary.Count).IsEqualTo(2);
Check.That(replaced).ContainsExactly(1, 2, 3, 4);
Check.That(multiDictionary.Get("A")).ContainsExactly(5, 6);
}
public void ShouldThrowExceptionOnIsSingletonEvaluationWithMessage()
{
// given
const string errorMessage = "Collection must contains only one element";
IEnumerable <string> enumerable = Lists.AsList("A", "B");
// when
var result = Try.To(() => Preconditions.IsSingleton(enumerable, errorMessage));
// then
var caughtException = result.IsFailure ? result.Error : null;
Check.That(caughtException).IsNotNull();
Check.That(caughtException).IsInstanceOf <ArgumentException>();
Check.That(caughtException.Message).IsEqualTo(errorMessage);
}
public void ShouldThrowExceptionOnIsCollectionEmptyEvaluationWithMessage()
{
// given
const string errorMessage = "Collection must be empty";
IEnumerable <int> enumerable = Lists.AsList(1);
// when
var result = Try.To(() => Preconditions.IsEmpty(enumerable, errorMessage));
// then
var caughtException = result.IsFailure ? result.Error : null;
Check.That(caughtException).IsNotNull();
Check.That(caughtException).IsInstanceOf <ArgumentException>();
Check.That(caughtException.Message).IsEqualTo(errorMessage);
}