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using System;
using Xunit;
using Xunit.Extensions;
namespace LibGit2Sharp.Tests
{
public class ObjectIdFixture
{
private const string validSha1 = "ce08fe4884650f067bd5703b6a59a8b3b3c99a09";
private const string validSha2 = "de08fe4884650f067bd5703b6a59a8b3b3c99a09";
private static readonly byte[] bytes = new byte[] { 206, 8, 254, 72, 132, 101, 15, 6, 123, 213, 112, 59, 106, 89, 168, 179, 179, 201, 154, 9 };
[Theory]
[InlineData("Dummy", typeof(ArgumentException))]
[InlineData("", typeof(ArgumentException))]
[InlineData("8e", typeof(ArgumentException))]
[InlineData(null, typeof(ArgumentNullException))]
[InlineData(validSha1 + "dd", typeof(ArgumentException))]
public void PreventsFromBuildingWithAnInvalidSha(string malformedSha, Type expectedExceptionType)
{
Assert.Throws(expectedExceptionType, () => new ObjectId(malformedSha));
}
[Fact]
public void CanConvertOidToSha()
{
var id = new ObjectId(bytes);
Assert.Equal(validSha1, id.Sha);
Assert.Equal(validSha1, id.ToString());
}
[Fact]
public void CanConvertShaToOid()
{
var id = new ObjectId(validSha1);
Assert.Equal(bytes, id.RawId);
}
[Fact]
public void CanCastShaToObjectId()
{
var id = (ObjectId)validSha1;
Assert.Equal(bytes, id.RawId);
}
[Fact]
public void CanCastNullToObjectId()
{
string sha = null;
var id = (ObjectId)sha;
Assert.Null(id);
}
[Fact]
public void CreatingObjectIdWithWrongNumberOfBytesThrows()
{
var invalidBytes = new byte[] { 206, 8, 254, 72, 132, 101, 15, 6, 123, 213, 112, 59, 106, 89, 168, 179, 179, 201, 154 };
Assert.Throws<ArgumentException>(() => { new ObjectId(invalidBytes); });
}
[Fact]
public void DifferentObjectIdsAreEqual()
{
var a = new ObjectId(validSha1);
var b = new ObjectId(validSha2);
Assert.False((a.Equals(b)));
Assert.False((b.Equals(a)));
Assert.False((a == b));
Assert.True((a != b));
}
[Fact]
public void DifferentObjectIdsDoesNotHaveSameHashCode()
{
var a = new ObjectId(validSha1);
var b = new ObjectId(validSha2);
Assert.NotEqual(b.GetHashCode(), a.GetHashCode());
}
[Fact]
public void SimilarObjectIdsAreEqual()
{
var a = new ObjectId(validSha1);
var b = new ObjectId(validSha1);
Assert.True((a.Equals(b)));
Assert.True((b.Equals(a)));
Assert.True((a == b));
Assert.False((a != b));
}
[Fact]
public void SimilarObjectIdsHaveSameHashCode()
{
var a = new ObjectId(validSha1);
var b = new ObjectId(validSha1);
Assert.Equal(b.GetHashCode(), a.GetHashCode());
}
[Theory]
[InlineData("Dummy", false)]
[InlineData(null, false)]
[InlineData("", false)]
[InlineData("0", false)]
[InlineData("01", false)]
[InlineData("012", false)]
[InlineData("0123", false)]
[InlineData("0123456", false)]
[InlineData(validSha1 + "d", false)]
[InlineData(validSha1, true)]
public void TryParse(string maybeSha, bool isValidSha)
{
ObjectId parsedObjectId;
bool result = ObjectId.TryParse(maybeSha, out parsedObjectId);
Assert.Equal(isValidSha, result);
if (!result)
{
return;
}
Assert.NotNull(parsedObjectId);
Assert.Equal(maybeSha, parsedObjectId.Sha);
Assert.True(maybeSha.StartsWith(parsedObjectId.ToString(3)));
Assert.Equal(maybeSha, parsedObjectId.ToString(42));
}
[Theory]
[InlineData("d", true)]
[InlineData("dead", true)]
[InlineData("deadbe", true)]
[InlineData("DeAdBEE", true)]
[InlineData("deff", false)]
[InlineData("dfff", false)]
[InlineData("9876", false)]
[InlineData("This is not a valid short hexified sha!!!!!", false)]
public void StartsWith(string shortSha, bool expected)
{
var id = new ObjectId("deadbeef84650f067bd5703b6a59a8b3b3c99a09");
Assert.Equal(expected, id.StartsWith(shortSha));
}
}
}
|
