Refactor commands to use a common base class, add remove command

Author: sleeuwen

dotnet-json.Tests/Commands/MergeCommandTests.cs

@@ -0,0 +1,99 @@
+using System;
+using System.IO;
+using System.Threading.Tasks;
+using FluentAssertions;
+using Xunit;
+
+namespace dotnet_json.Tests
+{
+    public class IntegrationTests : IDisposable
+    {
+        private string _tmpDir;
+
+        public IntegrationTests()
+        {
+            _tmpDir = Path.Join(Path.GetTempPath(), Path.GetTempFileName());
+            Directory.CreateDirectory(_tmpDir);
+        }
+
+        public void Dispose()
+        {
+            Directory.Delete(_tmpDir, true);
+        }
+
+        [Fact]
+        public async Task Set()
+        {
+            await File.WriteAllTextAsync(Path.Join(_tmpDir, "set.json"), @"{ ""key"": ""value"" }");
+
+            await Program.Main(new[]
+            {
+                "set",
+                Path.Join(_tmpDir, "set.json"),
+                "path:to:0:key",
+                "value",
+            });
+
+            var content = await File.ReadAllTextAsync(Path.Join(_tmpDir, "set.json"));
+            content.Should().Be(@"{
+  ""key"": ""value"",
+  ""path"": {
+    ""to"": [
+      {
+        ""key"": ""value""
+      }
+    ]
+  }
+}");
+        }
+
+        [Fact]
+        public async Task Remove()
+        {
+            await File.WriteAllTextAsync(Path.Join(_tmpDir, "remove.json"), @"{ ""key"": ""value"", ""path"": { ""to"": [ { ""key"": ""value"" } ] } }");
+
+            await Program.Main(new[]
+            {
+                "remove",
+                Path.Join(_tmpDir, "remove.json"),
+                "path:to:0:key",
+            });
+
+            var content = await File.ReadAllTextAsync(Path.Join(_tmpDir, "remove.json"));
+            content.Should().Be(@"{
+  ""key"": ""value"",
+  ""path"": {
+    ""to"": [
+      {}
+    ]
+  }
+}");
+        }
+
+        [Fact]
+        public async Task Merge()
+        {
+            await File.WriteAllTextAsync(Path.Join(_tmpDir, "a.json"), "{}");
+            await File.WriteAllTextAsync(Path.Join(_tmpDir, "b.json"), @"{ ""b"": { ""key"": ""value"" } }");
+            await File.WriteAllTextAsync(Path.Join(_tmpDir, "c.json"), @"{ ""c"": [ 1 ] }");
+
+            await Program.Main(new[]
+            {
+                "merge",
+                Path.Join(_tmpDir, "a.json"),
+                Path.Join(_tmpDir, "b.json"),
+                Path.Join(_tmpDir, "c.json"),
+            });
+
+            var content = await File.ReadAllTextAsync(Path.Join(_tmpDir, "a.json"));
+            content.Should().Be(@"{
+  ""b"": {
+    ""key"": ""value""
+  },
+  ""c"": [
+    1
+  ]
+}");
+        }
+    }
+}