import quincy 17.2.0

[ceph.git] / ceph / src / arrow / csharp / test / Apache.Arrow.Tests / SchemaComparer.cs

diff --git a/ceph/src/arrow/csharp/test/Apache.Arrow.Tests/SchemaComparer.cs b/ceph/src/arrow/csharp/test/Apache.Arrow.Tests/SchemaComparer.cs
new file mode 100644 (file)
index 0000000..3546d5e
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+++ b/ceph/src/arrow/csharp/test/Apache.Arrow.Tests/SchemaComparer.cs
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+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements. See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You 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.
+
+using System.Linq;
+using Xunit;
+
+namespace Apache.Arrow.Tests
+{
+    public static class SchemaComparer
+    {
+        public static void Compare(Schema expected, Schema actual)
+        {
+            if (ReferenceEquals(expected, actual))
+            {
+                return;
+            }
+
+            Assert.Equal(expected.HasMetadata, actual.HasMetadata);
+            if (expected.HasMetadata)
+            {
+                Assert.Equal(expected.Metadata.Keys.Count(), actual.Metadata.Keys.Count());
+                Assert.True(expected.Metadata.Keys.All(k => actual.Metadata.ContainsKey(k) && expected.Metadata[k] == actual.Metadata[k]));
+                Assert.True(actual.Metadata.Keys.All(k => expected.Metadata.ContainsKey(k) && actual.Metadata[k] == expected.Metadata[k]));
+            }
+
+            Assert.Equal(expected.Fields.Count, actual.Fields.Count);
+            Assert.True(expected.Fields.Keys.All(k => actual.Fields.ContainsKey(k)));
+            foreach (string name in expected.Fields.Keys)
+            {
+                FieldComparer.Compare(expected.Fields[name], actual.Fields[name]);
+            }
+        }
+    }
+}