1 files changed, 55 insertions, 0 deletions
diff --git a/BackEnd/Timeline.Tests/IntegratedTests/CacheTestHelper.cs b/BackEnd/Timeline.Tests/IntegratedTests/CacheTestHelper.cs
new file mode 100644
index 00000000..8308eca8
--- /dev/null
+++ b/BackEnd/Timeline.Tests/IntegratedTests/CacheTestHelper.cs
@@ -0,0 +1,55 @@
+using FluentAssertions;
+using System;
+using System.Net;
+using System.Net.Http;
+using System.Net.Http.Headers;
+using System.Threading.Tasks;
+using Timeline.Models.Http;
+
+namespace Timeline.Tests.IntegratedTests
+{
+    public static class CacheTestHelper
+    {
+        public static async Task TestCache(HttpClient client, string getUrl)
+        {
+            EntityTagHeaderValue eTag;
+
+            {
+                var res = await client.GetAsync(getUrl);
+                res.StatusCode.Should().Be(HttpStatusCode.OK);
+                var cacheControlHeader = res.Headers.CacheControl;
+                cacheControlHeader.Should().NotBeNull();
+                cacheControlHeader!.NoCache.Should().BeTrue();
+                cacheControlHeader.NoStore.Should().BeFalse();
+                cacheControlHeader.Private.Should().BeTrue();
+                cacheControlHeader.Public.Should().BeFalse();
+                cacheControlHeader.MustRevalidate.Should().BeTrue();
+                cacheControlHeader.MaxAge.Should().NotBeNull().And.Be(TimeSpan.FromDays(14));
+                res.Headers.ETag.Should().NotBeNull();
+                eTag = res.Headers.ETag!;
+            }
+
+            await client.TestSendAssertErrorAsync(HttpMethod.Get, getUrl,
+                expectedStatusCode: HttpStatusCode.BadRequest,
+                errorCode: ErrorCodes.Common.Header.IfNonMatch_BadFormat,
+                headerSetup: static (headers, _) =>
+                {
+                    headers.TryAddWithoutValidation("If-None-Match", "\"dsdfd");
+                });
+
+            await client.TestSendAsync(HttpMethod.Get, getUrl,
+                expectedStatusCode: HttpStatusCode.OK,
+                headerSetup: static (headers, _) =>
+                {
+                    headers.TryAddWithoutValidation("If-None-Match", "\"aaa\"");
+                });
+
+            await client.TestSendAsync(HttpMethod.Get, getUrl,
+                expectedStatusCode: HttpStatusCode.NotModified,
+                headerSetup: (headers, _) =>
+                {
+                    headers.Add("If-None-Match", eTag.ToString());
+                });
+        }
+    }
+}