From 10fef2cb1f45d21a8132c2361a4697e4fefc45ce Mon Sep 17 00:00:00 2001
From: Sara Hentzel <sara_hentzel@sil.org>
Date: Tue, 23 Apr 2019 13:36:27 -0500
Subject: [PATCH] Create test for accessing many to many data through id.  ie
 articles/1/tags

---
 .../Controllers/TagsController.cs             | 15 +++++++++
 .../Acceptance/ManyToManyTests.cs             | 31 +++++++++++++++++++
 2 files changed, 46 insertions(+)
 create mode 100644 src/Examples/JsonApiDotNetCoreExample/Controllers/TagsController.cs

diff --git a/src/Examples/JsonApiDotNetCoreExample/Controllers/TagsController.cs b/src/Examples/JsonApiDotNetCoreExample/Controllers/TagsController.cs
new file mode 100644
index 0000000000..bcfbe2ae18
--- /dev/null
+++ b/src/Examples/JsonApiDotNetCoreExample/Controllers/TagsController.cs
@@ -0,0 +1,15 @@
+using JsonApiDotNetCore.Controllers;
+using JsonApiDotNetCore.Services;
+using JsonApiDotNetCoreExample.Models;
+
+namespace JsonApiDotNetCoreExample.Controllers
+{
+    public class TagsController : JsonApiController<Tag>
+    {
+        public TagsController(
+            IJsonApiContext jsonApiContext,
+            IResourceService<Tag> resourceService)
+            : base(jsonApiContext, resourceService)
+        { }
+    }
+}
diff --git a/test/JsonApiDotNetCoreExampleTests/Acceptance/ManyToManyTests.cs b/test/JsonApiDotNetCoreExampleTests/Acceptance/ManyToManyTests.cs
index 948ea442c9..3cd7461cdd 100644
--- a/test/JsonApiDotNetCoreExampleTests/Acceptance/ManyToManyTests.cs
+++ b/test/JsonApiDotNetCoreExampleTests/Acceptance/ManyToManyTests.cs
@@ -30,7 +30,38 @@ public ManyToManyTests(TestFixture<TestStartup> fixture)
         {
             _fixture = fixture;
         }
+        [Fact]
+        public async Task Can_Fetch_Many_To_Many_Through_Id()
+        {
+            // arrange
+            var context = _fixture.GetService<AppDbContext>();
+            var article = _articleFaker.Generate();
+            var tag = _tagFaker.Generate();
+            var articleTag = new ArticleTag
+            {
+                Article = article,
+                Tag = tag
+            };
+            context.ArticleTags.Add(articleTag);
+            await context.SaveChangesAsync();
 
+            var route = $"/api/v1/articles/{article.Id}/tags";
+            // act
+            var response = await _fixture.Client.GetAsync(route);
+
+            // assert
+            var body = await response.Content.ReadAsStringAsync();
+            Assert.True(HttpStatusCode.OK == response.StatusCode, $"{route} returned {response.StatusCode} status code with payload: {body}");
+
+            var document = JsonConvert.DeserializeObject<Document>(body);
+            Assert.NotNull(document.Data);
+            
+            var tagResponse = _fixture.GetService<IJsonApiDeSerializer>().Deserialize<Tag>(body);
+            Assert.NotNull(tagResponse);
+            Assert.Equal(tag.Id, tagResponse.Id);
+            Assert.Equal(tag.Name, tagResponse.Name);
+            
+        }
         [Fact]
         public async Task Can_Fetch_Many_To_Many_Through_All()
         {