| #region Copyright notice and license |
| |
| // Copyright 2015 gRPC authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #endregion |
| |
| using System; |
| using System.Diagnostics; |
| using System.Runtime.InteropServices; |
| using System.Threading; |
| using System.Threading.Tasks; |
| using Grpc.Core; |
| using Grpc.Core.Internal; |
| using Grpc.Core.Utils; |
| using NUnit.Framework; |
| |
| namespace Grpc.Core.Tests |
| { |
| public class MetadataTest |
| { |
| [Test] |
| public void AsciiEntry() |
| { |
| var entry = new Metadata.Entry("ABC", "XYZ"); |
| Assert.IsFalse(entry.IsBinary); |
| Assert.AreEqual("abc", entry.Key); // key is in lowercase. |
| Assert.AreEqual("XYZ", entry.Value); |
| CollectionAssert.AreEqual(new[] { (byte)'X', (byte)'Y', (byte)'Z' }, entry.ValueBytes); |
| |
| Assert.Throws(typeof(ArgumentException), () => new Metadata.Entry("abc-bin", "xyz")); |
| |
| Assert.AreEqual("[Entry: key=abc, value=XYZ]", entry.ToString()); |
| } |
| |
| [Test] |
| public void BinaryEntry() |
| { |
| var bytes = new byte[] { 1, 2, 3 }; |
| var entry = new Metadata.Entry("ABC-BIN", bytes); |
| Assert.IsTrue(entry.IsBinary); |
| Assert.AreEqual("abc-bin", entry.Key); // key is in lowercase. |
| Assert.Throws(typeof(InvalidOperationException), () => { var v = entry.Value; }); |
| CollectionAssert.AreEqual(bytes, entry.ValueBytes); |
| |
| Assert.Throws(typeof(ArgumentException), () => new Metadata.Entry("abc", bytes)); |
| |
| Assert.AreEqual("[Entry: key=abc-bin, valueBytes=System.Byte[]]", entry.ToString()); |
| } |
| |
| [Test] |
| public void AsciiEntry_KeyValidity() |
| { |
| new Metadata.Entry("ABC", "XYZ"); |
| new Metadata.Entry("0123456789abc", "XYZ"); |
| new Metadata.Entry("-abc", "XYZ"); |
| new Metadata.Entry("a_bc_", "XYZ"); |
| new Metadata.Entry("abc.xyz", "XYZ"); |
| new Metadata.Entry("abc.xyz-bin", new byte[] {1, 2, 3}); |
| Assert.Throws(typeof(ArgumentException), () => new Metadata.Entry("abc[", "xyz")); |
| Assert.Throws(typeof(ArgumentException), () => new Metadata.Entry("abc/", "xyz")); |
| } |
| |
| [Test] |
| public void Entry_ConstructionPreconditions() |
| { |
| Assert.Throws(typeof(ArgumentNullException), () => new Metadata.Entry(null, "xyz")); |
| Assert.Throws(typeof(ArgumentNullException), () => new Metadata.Entry("abc", (string)null)); |
| Assert.Throws(typeof(ArgumentNullException), () => new Metadata.Entry("abc-bin", (byte[])null)); |
| } |
| |
| [Test] |
| public void Entry_Immutable() |
| { |
| var origBytes = new byte[] { 1, 2, 3 }; |
| var bytes = new byte[] { 1, 2, 3 }; |
| var entry = new Metadata.Entry("ABC-BIN", bytes); |
| bytes[0] = 255; // changing the array passed to constructor should have any effect. |
| CollectionAssert.AreEqual(origBytes, entry.ValueBytes); |
| |
| entry.ValueBytes[0] = 255; |
| CollectionAssert.AreEqual(origBytes, entry.ValueBytes); |
| } |
| |
| [Test] |
| public void Entry_CreateUnsafe_Ascii() |
| { |
| var bytes = new byte[] { (byte)'X', (byte)'y' }; |
| var entry = Metadata.Entry.CreateUnsafe("abc", bytes); |
| Assert.IsFalse(entry.IsBinary); |
| Assert.AreEqual("abc", entry.Key); |
| Assert.AreEqual("Xy", entry.Value); |
| CollectionAssert.AreEqual(bytes, entry.ValueBytes); |
| } |
| |
| [Test] |
| public void Entry_CreateUnsafe_Binary() |
| { |
| var bytes = new byte[] { 1, 2, 3 }; |
| var entry = Metadata.Entry.CreateUnsafe("abc-bin", bytes); |
| Assert.IsTrue(entry.IsBinary); |
| Assert.AreEqual("abc-bin", entry.Key); |
| Assert.Throws(typeof(InvalidOperationException), () => { var v = entry.Value; }); |
| CollectionAssert.AreEqual(bytes, entry.ValueBytes); |
| } |
| |
| [Test] |
| public void IndexOf() |
| { |
| var metadata = CreateMetadata(); |
| Assert.AreEqual(0, metadata.IndexOf(metadata[0])); |
| Assert.AreEqual(1, metadata.IndexOf(metadata[1])); |
| } |
| |
| [Test] |
| public void Insert() |
| { |
| var metadata = CreateMetadata(); |
| metadata.Insert(0, new Metadata.Entry("new-key", "new-value")); |
| Assert.AreEqual(3, metadata.Count); |
| Assert.AreEqual("new-key", metadata[0].Key); |
| Assert.AreEqual("abc", metadata[1].Key); |
| } |
| |
| [Test] |
| public void RemoveAt() |
| { |
| var metadata = CreateMetadata(); |
| metadata.RemoveAt(0); |
| Assert.AreEqual(1, metadata.Count); |
| Assert.AreEqual("xyz", metadata[0].Key); |
| } |
| |
| [Test] |
| public void Remove() |
| { |
| var metadata = CreateMetadata(); |
| metadata.Remove(metadata[0]); |
| Assert.AreEqual(1, metadata.Count); |
| Assert.AreEqual("xyz", metadata[0].Key); |
| } |
| |
| [Test] |
| public void Indexer_Set() |
| { |
| var metadata = CreateMetadata(); |
| var entry = new Metadata.Entry("new-key", "new-value"); |
| |
| metadata[1] = entry; |
| Assert.AreEqual(entry, metadata[1]); |
| } |
| |
| [Test] |
| public void Clear() |
| { |
| var metadata = CreateMetadata(); |
| metadata.Clear(); |
| Assert.AreEqual(0, metadata.Count); |
| } |
| |
| [Test] |
| public void Contains() |
| { |
| var metadata = CreateMetadata(); |
| Assert.IsTrue(metadata.Contains(metadata[0])); |
| Assert.IsFalse(metadata.Contains(new Metadata.Entry("new-key", "new-value"))); |
| } |
| |
| [Test] |
| public void CopyTo() |
| { |
| var metadata = CreateMetadata(); |
| var array = new Metadata.Entry[metadata.Count + 1]; |
| |
| metadata.CopyTo(array, 1); |
| Assert.AreEqual(default(Metadata.Entry), array[0]); |
| Assert.AreEqual(metadata[0], array[1]); |
| } |
| |
| [Test] |
| public void IEnumerableGetEnumerator() |
| { |
| var metadata = CreateMetadata(); |
| var enumerator = (metadata as System.Collections.IEnumerable).GetEnumerator(); |
| |
| int i = 0; |
| while (enumerator.MoveNext()) |
| { |
| Assert.AreEqual(metadata[i], enumerator.Current); |
| i++; |
| } |
| } |
| |
| [Test] |
| public void FreezeMakesReadOnly() |
| { |
| var entry = new Metadata.Entry("new-key", "new-value"); |
| var metadata = CreateMetadata().Freeze(); |
| |
| Assert.IsTrue(metadata.IsReadOnly); |
| Assert.Throws<InvalidOperationException>(() => metadata.Insert(0, entry)); |
| Assert.Throws<InvalidOperationException>(() => metadata.RemoveAt(0)); |
| Assert.Throws<InvalidOperationException>(() => metadata[0] = entry); |
| Assert.Throws<InvalidOperationException>(() => metadata.Add(entry)); |
| Assert.Throws<InvalidOperationException>(() => metadata.Add("new-key", "new-value")); |
| Assert.Throws<InvalidOperationException>(() => metadata.Add("new-key-bin", new byte[] { 0xaa })); |
| Assert.Throws<InvalidOperationException>(() => metadata.Clear()); |
| Assert.Throws<InvalidOperationException>(() => metadata.Remove(metadata[0])); |
| } |
| |
| private Metadata CreateMetadata() |
| { |
| return new Metadata |
| { |
| { "abc", "abc-value" }, |
| { "xyz", "xyz-value" }, |
| }; |
| } |
| } |
| } |