Fix TagDetails sql for PG, add test

src/NzbDrone.Core/Movies/MovieRepository.cs

@@ -311,7 +311,7 @@ namespace NzbDrone.Core.Movies
         {
             using (var conn = _database.OpenConnection())
             {
-                var strSql = "SELECT \"Id\" AS \"Key\", \"Tags\" AS \"Value\" FROM \"Movies\" WHERE \"Value\" IS NOT NULL";
+                var strSql = "SELECT \"Id\" AS \"Key\", \"Tags\" AS \"Value\" FROM \"Movies\" WHERE \"Tags\" IS NOT NULL";
                 return conn.Query<KeyValuePair<int, List<int>>>(strSql).ToDictionary(x => x.Key, x => x.Value);
             }
         }

src/NzbDrone.Integration.Test/ApiTests/TagFixture.cs

@@ -0,0 +1,53 @@
+using System.Linq;
+using FluentAssertions;
+using NUnit.Framework;
+using Radarr.Api.V3.Tags;
+
+namespace NzbDrone.Integration.Test.ApiTests
+{
+    [TestFixture]
+    public class TagFixture : IntegrationTest
+    {
+        [Test]
+        [Order(0)]
+        public void should_not_have_tags_initially()
+        {
+            EnsureNoTag("test");
+
+            var items = Tags.All().Should().BeEmpty();
+        }
+
+        [Test]
+        [Order(2)]
+        public void should_be_able_to_add_tag()
+        {
+            var item = Tags.Post(new TagResource { Label = "test" });
+
+            item.Id.Should().NotBe(0);
+        }
+
+        [Test]
+        [Order(2)]
+        public void get_all_tags()
+        {
+            EnsureTag("test");
+
+            var clients = Tags.All();
+
+            clients.Should().NotBeNullOrEmpty();
+        }
+
+        [Test]
+        [Order(4)]
+        public void delete_tag()
+        {
+            var client = EnsureTag("test");
+
+            Tags.Get(client.Id).Should().NotBeNull();
+
+            Tags.Delete(client.Id);
+
+            Tags.All().Should().NotContain(v => v.Id == client.Id);
+        }
+    }
+}