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

   1 // Licensed to the Apache Software Foundation (ASF) under one or more
   2 // contributor license agreements. See the NOTICE file distributed with
   3 // this work for additional information regarding copyright ownership.
   4 // The ASF licenses this file to You under the Apache License, Version 2.0
   5 // (the "License"); you may not use this file except in compliance with
   6 // the License.  You may obtain a copy of the License at
   7 //
   8 //     http://www.apache.org/licenses/LICENSE-2.0
   9 //
  10 // Unless required by applicable law or agreed to in writing, software
  11 // distributed under the License is distributed on an "AS IS" BASIS,
  12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 // See the License for the specific language governing permissions and
  14 // limitations under the License.
  15
  16 using System.Linq;
  17 using Xunit;
  18
  19 namespace Apache.Arrow.Tests
  20 {
  21     public static class SchemaComparer
  22     {
  23         public static void Compare(Schema expected, Schema actual)
  24         {
  25             if (ReferenceEquals(expected, actual))
  26             {
  27                 return;
  28             }
  29
  30             Assert.Equal(expected.HasMetadata, actual.HasMetadata);
  31             if (expected.HasMetadata)
  32             {
  33                 Assert.Equal(expected.Metadata.Keys.Count(), actual.Metadata.Keys.Count());
  34                 Assert.True(expected.Metadata.Keys.All(k => actual.Metadata.ContainsKey(k) && expected.Metadata[k] == actual.Metadata[k]));
  35                 Assert.True(actual.Metadata.Keys.All(k => expected.Metadata.ContainsKey(k) && actual.Metadata[k] == expected.Metadata[k]));
  36             }
  37
  38             Assert.Equal(expected.Fields.Count, actual.Fields.Count);
  39             Assert.True(expected.Fields.Keys.All(k => actual.Fields.ContainsKey(k)));
  40             foreach (string name in expected.Fields.Keys)
  41             {
  42                 FieldComparer.Compare(expected.Fields[name], actual.Fields[name]);
  43             }
  44         }
  45     }
  46 }