+47
-1
lines changedFilter options
+47
-1
lines changed Original file line number Diff line number Diff line change
@@ -237,10 +237,28 @@ public static IEnumerable<HashingAlgorithm> All
237 237
/// When <paramref name="name"/> is not registered.
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/// </exception>
239 239
public static HashAlgorithm GetAlgorithm(string name)
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{
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return GetAlgorithmMetadata(name).Hasher();
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}
243 + 244 +
/// <summary>
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/// Gets the metadata with the specified IPFS multi-hash name.
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/// </summary>
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/// <param name="name">
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/// The name of a hashing algorithm, see <see href="https://github.com/multiformats/multicodec/blob/master/table.csv"/>
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/// for IPFS defined names.
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/// </param>
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/// <returns>
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/// The metadata associated with the hashing <paramref name="name"/>.
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/// </returns>
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/// <exception cref="KeyNotFoundException">
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/// When <paramref name="name"/> is not registered.
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/// </exception>
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public static HashingAlgorithm GetAlgorithmMetadata(string name)
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{
241 259
try
242 260
{
243 -
return HashingAlgorithm.Names[name].Hasher();
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return HashingAlgorithm.Names[name];
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}
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catch (KeyNotFoundException)
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{
@@ -31,6 +31,34 @@ public void GetHasher_Unknown()
31 31
ExceptionAssert.Throws<KeyNotFoundException>(() => HashingAlgorithm.GetAlgorithm("unknown"));
32 32
}
33 33 34 +
[TestMethod]
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public void GetMetadata()
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{
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var info = HashingAlgorithm.GetAlgorithmMetadata("sha3-256");
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Assert.IsNotNull(info);
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Assert.AreEqual("sha3-256", info.Name);
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Assert.AreEqual(0x16, info.Code);
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Assert.AreEqual(256 /8, info.DigestSize);
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Assert.IsNotNull(info.Hasher);
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}
44 + 45 +
[TestMethod]
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public void GetMetadata_Unknown()
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{
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ExceptionAssert.Throws<KeyNotFoundException>(() => HashingAlgorithm.GetAlgorithmMetadata("unknown"));
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}
50 + 51 +
[TestMethod]
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public void GetMetadata_Alias()
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{
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var info = HashingAlgorithm.GetAlgorithmMetadata("id");
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Assert.IsNotNull(info);
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Assert.AreEqual("identity", info.Name);
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Assert.AreEqual(0, info.Code);
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Assert.AreEqual(0, info.DigestSize);
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Assert.IsNotNull(info.Hasher);
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}
61 + 34 62
[TestMethod]
35 63
public void HashingAlgorithm_Bad_Name()
36 64
{
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