Add support for HEAD request

test/Feature/RangeSpec.hs

@@ -155,12 +155,17 @@ spec = do
           , matchHeaders = ["Content-Range" <:> "0-0/*"]
           }
 
-      it "limit and offset works on first level" $
+      it "limit and offset works on first level" $ do
         get "/items?select=id&order=id.asc&limit=3&offset=2"
           `shouldRespondWith` [json|[{"id":3},{"id":4},{"id":5}]|]
           { matchStatus  = 200
           , matchHeaders = ["Content-Range" <:> "2-4/*"]
           }
+        request methodHead "/items?select=id&order=id.asc&limit=3&offset=2" [] mempty
+          `shouldRespondWith` ""
+          { matchStatus  = 200
+          , matchHeaders = ["Content-Range" <:> "2-4/*"]
+          }
 
       it "succeeds if offset equals 0 as a no-op" $
         get "/items?select=id&offset=0"

test/Feature/RpcSpec.hs

@@ -34,6 +34,12 @@ spec actualPgVersion =
             { matchStatus = 200
             , matchHeaders = ["Content-Range" <:> "0-0/*"]
             }
+        request methodHead "/rpc/getitemrange?min=2&max=4"
+                (rangeHdrs (ByteRangeFromTo 0 0)) ""
+           `shouldRespondWith` ""
+            { matchStatus = 200
+            , matchHeaders = ["Content-Range" <:> "0-0/*"]
+            }
 
       it "includes total count if requested" $ do
         request methodPost "/rpc/getitemrange"
@@ -49,6 +55,12 @@ spec actualPgVersion =
             { matchStatus = 206
             , matchHeaders = ["Content-Range" <:> "0-0/2"]
             }
+        request methodHead "/rpc/getitemrange?min=2&max=4"
+                (rangeHdrsWithCount (ByteRangeFromTo 0 0)) ""
+           `shouldRespondWith` ""
+            { matchStatus = 206
+            , matchHeaders = ["Content-Range" <:> "0-0/2"]
+            }
 
       it "returns proper json" $ do
         post "/rpc/getitemrange" [json| { "min": 2, "max": 4 } |] `shouldRespondWith`
@@ -72,6 +84,12 @@ spec actualPgVersion =
             { matchStatus = 200
             , matchHeaders = ["Content-Type" <:> "text/csv; charset=utf-8"]
             }
+        request methodHead "/rpc/getitemrange?min=2&max=4"
+                (acceptHdrs "text/csv") ""
+           `shouldRespondWith` ""
+            { matchStatus = 200
+            , matchHeaders = ["Content-Type" <:> "text/csv; charset=utf-8"]
+            }
 
     context "unknown function" $ do
       it "returns 404" $

test/Feature/StructureSpec.hs

@@ -21,8 +21,10 @@ spec :: SpecWith Application
 spec = do
 
   describe "OpenAPI" $ do
-    it "root path returns a valid openapi spec" $
+    it "root path returns a valid openapi spec" $ do
       validateOpenApiResponse [("Accept", "application/openapi+json")]
+      request methodHead "/" (acceptHdrs "application/openapi+json") ""
+        `shouldRespondWith` "" { matchStatus  = 200 }
 
     it "should respond to openapi request on none root path with 415" $
       request methodGet "/items"