Merge pull request #84 from Microsoft/dm/version-parsing

Change Info.Version to string to support various date formats

Author: darrelmiller

src/Microsoft.OpenApi.Readers/V2/OpenApiInfoDeserializer.cs

@@ -52,7 +52,7 @@ internal static partial class OpenApiV2Deserializer
             {
                 "version", (o, n) =>
                 {
-                    o.Version = new Version(n.GetScalarValue());
+                    o.Version = n.GetScalarValue();
                 }
             }
         };

src/Microsoft.OpenApi.Readers/V3/OpenApiInfoDeserializer.cs

@@ -27,7 +27,7 @@ internal static partial class OpenApiV3Deserializer
             {
                 "version", (o, n) =>
                 {
-                    o.Version = new Version(n.GetScalarValue());
+                    o.Version = n.GetScalarValue();
                 }
             },
             {

src/Microsoft.OpenApi/Models/OpenApiInfo.cs

@@ -29,7 +29,7 @@ public class OpenApiInfo : OpenApiElement, IOpenApiExtension
         /// <summary>
         /// REQUIRED. The version of the OpenAPI document.
         /// </summary>
-        public Version Version { get; set; } = new Version(1, 0);
+        public string Version { get; set; } = "1.0";
 
         /// <summary>
         /// A URL to the Terms of Service for the API. MUST be in the format of a URL.

test/Microsoft.OpenApi.Tests/ExampleTests.cs

@@ -23,7 +23,7 @@ public void WriteResponseExample()
                 Info = new OpenApiInfo()
                 {
                     Title = "test",
-                    Version = new Version(1, 0)
+                    Version = "1.0"
                 }
             };
 

test/Microsoft.OpenApi.Tests/Models/OpenApiInfoTests.cs

@@ -22,7 +22,7 @@ public class OpenApiInfoTests
             TermsOfService = new Uri("http://example.com/terms/"),
             Contact = OpenApiContactTests.AdvanceContact,
             License = OpenApiLicenseTests.AdvanceLicense,
-            Version = new Version(1, 1, 1),
+            Version = "1.1.1",
             Extensions = new Dictionary<string, IOpenApiAny>
             {
                 { "x-updated", new OpenApiString("metadata") }
@@ -166,5 +166,23 @@ public void SerializeAdvanceInfoAsYamlWorks(OpenApiSpecVersion version, string e
             expected = expected.MakeLineBreaksEnvironmentNeutral();
             actual.Should().Be(expected);
         }
+
+        [Fact]
+        public void InfoVersionShouldAcceptDateStyledAsVersions()
+        {
+            var info = new OpenApiInfo() {
+                Version = "2017-03-01"
+            };
+
+            var actual = info.Serialize(OpenApiSpecVersion.OpenApi3_0, OpenApiFormat.Yaml).MakeLineBreaksEnvironmentNeutral();
+
+            var expected = 
+@"title: Default Title
+version: 2017-03-01"
+.MakeLineBreaksEnvironmentNeutral();
+
+            actual.Should().Be(expected);
+
+        }
     }
 }