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add more CollectionExtension tests

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Collin M. Barrett 2018-10-13 10:49:59 -05:00
parent 5dda4c8e03
commit bb1a91a7a3
2 changed files with 66 additions and 40 deletions
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40
tests/FilterLists.Services.Tests/Extensions/AddIfNotNullOrEmptyShould.cs
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@ -1,40 +0,0 @@
using System.Collections.Generic;
using System.Collections.ObjectModel;
using FilterLists.Services.Extensions;
using Xunit;
namespace FilterLists.Services.Tests.Extensions
{
public class AddIfNotNullOrEmptyShould
{
public AddIfNotNullOrEmptyShould() =>
sut = new Collection<string>();
private readonly ICollection<string> sut;
private string item;
[Fact]
public void AddIfNotNullOrEmpty()
{
item = "item";
sut.AddIfNotNullOrEmpty(item);
Assert.Contains(item, sut);
}
[Fact]
public void NotAddIfEmpty()
{
item = "";
sut.AddIfNotNullOrEmpty(item);
Assert.DoesNotContain(item, sut);
}
[Fact]
public void NotAddIfNull()
{
item = null;
sut.AddIfNotNullOrEmpty(item);
Assert.DoesNotContain(item, sut);
}
}
}

66
tests/FilterLists.Services.Tests/Extensions/CollectionExtensionShould.cs Normal file
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@ -0,0 +1,66 @@
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using FilterLists.Services.Extensions;
using Xunit;
namespace FilterLists.Services.Tests.Extensions
{
public abstract class CollectionExtensionShould
{
protected readonly ICollection<string> Sut;
protected CollectionExtensionShould() =>
Sut = new Collection<string>();
}
public class AddIfNotNullOrEmptyShould : CollectionExtensionShould
{
private string item;
[Fact]
public void AddIfNotNullOrEmpty()
{
item = "item";
Sut.AddIfNotNullOrEmpty(item);
Assert.Contains(item, Sut);
}
[Fact]
public void NotAddIfEmpty()
{
item = "";
Sut.AddIfNotNullOrEmpty(item);
Assert.DoesNotContain(item, Sut);
}
[Fact]
public void NotAddIfNull()
{
item = null;
Sut.AddIfNotNullOrEmpty(item);
Assert.DoesNotContain(item, Sut);
}
}
public class AddRangeShould : CollectionExtensionShould
{
private IEnumerable<string> range;
[Fact]
public void AddCollectionOfStrings()
{
range = new Collection<string> {"item1", "item2"};
Sut.AddRange(range);
Assert.True(!range.Except(Sut).Any());
}
[Fact]
public void AddListOfStrings()
{
range = new List<string> {"item1", "item2"};
Sut.AddRange(range);
Assert.True(!range.Except(Sut).Any());
}
}
}