add a non-TLS test (#2005)

Author: harshavardhana

Makefile

@@ -32,6 +32,10 @@ functional-test:
 	@GO111MODULE=on go build -race functional_tests.go
 	@SERVER_ENDPOINT=localhost:9000 ACCESS_KEY=minioadmin SECRET_KEY=minioadmin ENABLE_HTTPS=1 MINT_MODE=full ./functional_tests
 
+functional-test-notls:
+	@GO111MODULE=on go build -race functional_tests.go
+	@SERVER_ENDPOINT=localhost:9000 ACCESS_KEY=minioadmin SECRET_KEY=minioadmin ENABLE_HTTPS=0 MINT_MODE=full ./functional_tests
+
 clean:
 	@echo "Cleaning up all the generated files"
 	@find . -name '*.test' | xargs rm -fv

functional_tests.go

@@ -3565,16 +3565,10 @@ func validateObjectAttributeRequest(OA *minio.ObjectAttributes, opts *minio.Obje
 		}
 	}
 
-	hasFullObjectChecksum := true
-	if OA.Checksum.ChecksumCRC32 == "" {
-		if OA.Checksum.ChecksumCRC32C == "" {
-			if OA.Checksum.ChecksumSHA1 == "" {
-				if OA.Checksum.ChecksumSHA256 == "" {
-					hasFullObjectChecksum = false
-				}
-			}
-		}
-	}
+	hasFullObjectChecksum := (OA.Checksum.ChecksumCRC32 != "" ||
+		OA.Checksum.ChecksumCRC32C != "" ||
+		OA.Checksum.ChecksumSHA1 != "" ||
+		OA.Checksum.ChecksumSHA256 != "")
 
 	if test.HasFullChecksum {
 		if !hasFullObjectChecksum {