test: add regression test for behavior of _empty with (possibly null) scalar lists

Author: Yogu

spec/regression/logistics/tests/descriptions.result.json

@@ -993,7 +993,7 @@
             },
             {
               "name": "description_empty",
-              "description": "Checks if `description` is an empty list (true) or a non-empty list or null (false).",
+              "description": "Checks if `description` is an empty list (true) or a non-empty list (false).",
               "deprecationReason": null
             },
             {
@@ -2572,7 +2572,7 @@
             },
             {
               "name": "serialNumbers_empty",
-              "description": "Checks if `serialNumbers` is an empty list (true) or a non-empty list or null (false).",
+              "description": "Checks if `serialNumbers` is an empty list (true) or a non-empty list (false).",
               "deprecationReason": null
             },
             {
@@ -2597,7 +2597,7 @@
             },
             {
               "name": "contentInfo_empty",
-              "description": "Checks if `contentInfo` is an empty list (true) or a non-empty list or null (false).",
+              "description": "Checks if `contentInfo` is an empty list (true) or a non-empty list (false).",
               "deprecationReason": null
             },
             {
@@ -2622,7 +2622,7 @@
             },
             {
               "name": "items_empty",
-              "description": "Checks if `items` is an empty list (true) or a non-empty list or null (false).",
+              "description": "Checks if `items` is an empty list (true) or a non-empty list (false).",
               "deprecationReason": null
             },
             {
@@ -2642,7 +2642,7 @@
             },
             {
               "name": "handlingUnits_empty",
-              "description": "Checks if `handlingUnits` is an empty list (true) or a non-empty list or null (false).",
+              "description": "Checks if `handlingUnits` is an empty list (true) or a non-empty list (false).",
               "deprecationReason": null
             },
             {
@@ -4388,7 +4388,7 @@
             },
             {
               "name": "notices_empty",
-              "description": "Checks if `notices` is an empty list (true) or a non-empty list or null (false).",
+              "description": "Checks if `notices` is an empty list (true) or a non-empty list (false).",
               "deprecationReason": null
             },
             {
@@ -4767,7 +4767,7 @@
             },
             {
               "name": "deliveries_empty",
-              "description": "Checks if `deliveries` is an empty list (true) or a non-empty list or null (false).",
+              "description": "Checks if `deliveries` is an empty list (true) or a non-empty list (false).",
               "deprecationReason": null
             },
             {
@@ -5494,7 +5494,7 @@
             },
             {
               "name": "serialNumbers_empty",
-              "description": "Checks if `serialNumbers` is an empty list (true) or a non-empty list or null (false).",
+              "description": "Checks if `serialNumbers` is an empty list (true) or a non-empty list (false).",
               "deprecationReason": null
             },
             {
@@ -5509,7 +5509,7 @@
             },
             {
               "name": "items_empty",
-              "description": "Checks if `items` is an empty list (true) or a non-empty list or null (false).",
+              "description": "Checks if `items` is an empty list (true) or a non-empty list (false).",
               "deprecationReason": null
             },
             {
@@ -6696,7 +6696,7 @@
             },
             {
               "name": "deliveries_empty",
-              "description": "Checks if `deliveries` is an empty list (true) or a non-empty list or null (false).",
+              "description": "Checks if `deliveries` is an empty list (true) or a non-empty list (false).",
               "deprecationReason": null
             },
             {

spec/regression/logistics/tests/filter-empty-scalar-list.graphql

@@ -0,0 +1,37 @@
+# note that delivery 3 has serialNumbers = null (not initialized)
+mutation init {
+    updateDelivery(input: { id: "@{ids/Delivery/2}", serialNumbers: [] }) {
+        deliveryNumber
+        serialNumbers
+    }
+}
+
+query empty {
+    allDeliveries(filter: { serialNumbers_empty: true }, orderBy: deliveryNumber_ASC) {
+        deliveryNumber
+        serialNumbers
+    }
+}
+
+# this is the old version which also works
+query none {
+    allDeliveries(filter: { serialNumbers_none: {} }, orderBy: deliveryNumber_ASC) {
+        deliveryNumber
+        serialNumbers
+    }
+}
+
+query not_empty {
+    allDeliveries(filter: { serialNumbers_empty: false }, orderBy: deliveryNumber_ASC) {
+        deliveryNumber
+        serialNumbers
+    }
+}
+
+# this is the old version which also works
+query some {
+    allDeliveries(filter: { serialNumbers_some: {} }, orderBy: deliveryNumber_ASC) {
+        deliveryNumber
+        serialNumbers
+    }
+}

spec/regression/logistics/tests/filter-empty-scalar-list.result.json

@@ -0,0 +1,64 @@
+{
+  "init": {
+    "data": {
+      "updateDelivery": {
+        "deliveryNumber": "1000521",
+        "serialNumbers": []
+      }
+    }
+  },
+  "empty": {
+    "data": {
+      "allDeliveries": [
+        {
+          "deliveryNumber": "1000521",
+          "serialNumbers": []
+        },
+        {
+          "deliveryNumber": "1000522",
+          "serialNumbers": []
+        }
+      ]
+    }
+  },
+  "none": {
+    "data": {
+      "allDeliveries": [
+        {
+          "deliveryNumber": "1000521",
+          "serialNumbers": []
+        },
+        {
+          "deliveryNumber": "1000522",
+          "serialNumbers": []
+        }
+      ]
+    }
+  },
+  "not_empty": {
+    "data": {
+      "allDeliveries": [
+        {
+          "deliveryNumber": "1000173",
+          "serialNumbers": [
+            "12345",
+            "67890"
+          ]
+        }
+      ]
+    }
+  },
+  "some": {
+    "data": {
+      "allDeliveries": [
+        {
+          "deliveryNumber": "1000173",
+          "serialNumbers": [
+            "12345",
+            "67890"
+          ]
+        }
+      ]
+    }
+  }
+}