Add compile time schema generation for default parameters

.github/workflows/build-with-bal-test-graalvm.yml

@@ -36,4 +36,6 @@ jobs:
             lang_version: ${{ inputs.lang_version }}
             native_image_options: '-J-Xmx7G ${{ inputs.native_image_options }}'
             additional_ubuntu_build_flags: '-x :graphql-compiler-plugin-tests:test'
-            additional_windows_build_flags: '-x :graphql-compiler-plugin-tests:test'
+            # TODO : Enable after fixing this issue : https://github.com/ballerina-platform/ballerina-lang/issues/38882
+            # additional_windows_build_flags: '-x :graphql-compiler-plugin-tests:test'
+            additional_windows_build_flags: '-x test'

ballerina-tests/objects.bal

@@ -88,7 +88,7 @@ public isolated distinct service class Starship {
 
 public enum Sex {
     MALE = "male",
-    FEMAELE = "female"
+    FEMALE = "female"
 }
 
 public type Animalia distinct service object {
@@ -244,17 +244,17 @@ public distinct service class Dog {
 }
 
 Animalia[] animals = [
-    new Horse(1, FEMAELE, "LUNA"),
+    new Horse(1, FEMALE, "LUNA"),
     new Horse(2, MALE, "WALTER"),
     new Donkey(3, MALE, "MAX"),
-    new Donkey(4, FEMAELE, "WINNIE"),
+    new Donkey(4, FEMALE, "WINNIE"),
     new Donkey(5, MALE, "RUDY"),
-    new Horse(6, FEMAELE, "SKYE"),
+    new Horse(6, FEMALE, "SKYE"),
     new Horse(7, MALE, "COOPER"),
     new Dog(8, MALE, "REX"),
-    new Dog(9, FEMAELE, "COOKIE"),
-    new Dog(10, FEMAELE, "DAISY"),
-    new Mule(11, FEMAELE, "LARA")
+    new Dog(9, FEMALE, "COOKIE"),
+    new Dog(10, FEMALE, "DAISY"),
+    new Mule(11, FEMALE, "LARA")
 ];
 
 public isolated service class ReviewData {

ballerina-tests/tests/10_introspection_queries.bal

@@ -37,6 +37,7 @@ function dataProviderIntrospection() returns map<[string, string, json]> {
     string url7 = "http://localhost:9091/documentation";
     string url8 = "http://localhost:9090/deprecation";
     string url9 = "http://localhost:9091/id_annotation_1";
+    string url10 = "http://localhost:9090/defaultParam";
 
     map<[string, string, json]> dataSet = {
         "1": [url1, "complex_introspection_query"],
@@ -61,7 +62,7 @@ function dataProviderIntrospection() returns map<[string, string, json]> {
         "20": [url2, "type_introspection_on_non_existing_type"],
         "21": [url2, "type_introspection_without_fields"],
         "22": [url2, "type_introspection"],
-        "23": [url6, "introspection_on_inputs_with_default_values"],
+        "23": [url10, "introspection_on_inputs_with_default_values"],
         "24": [url2, "directive_locations"],
         "25": [url7, "documentation"],
         "26": [url8, "deprecated_fields_introspection"],
@@ -72,7 +73,8 @@ function dataProviderIntrospection() returns map<[string, string, json]> {
         "31": [url2, "typename_introspection_on_type_record"],
         "32": [url2, "typename_introspection_on_schema_introspection"],
         "33": [url2, "typename_introspection_on_field"],
-        "34": [url9, "id_introspection_query"]
+        "34": [url9, "id_introspection_query"],
+        "35": [url10, "introspection_on_input_object_having_defaultable_fields"]
     };
     return dataSet;
 }

ballerina-tests/tests/object_types.bal

@@ -466,3 +466,20 @@ public isolated distinct service class BookData {
         return self.book.title;
     }
 }
+
+distinct service class NestedField {
+    resource function get multipleParams(
+            int a = 1,
+            float b = 2.0,
+            decimal c = 1e-10,
+            string d = "value",
+            boolean e = true,
+            int? f = DEFAULT_INT_VALUE,
+            Sex g = MALE,
+            InputObject h = {name: "name2", bmiHistory: [30.0 , 29.0, 20.0d]},
+            InputObject[] i = [
+                {name: "name3", bmiHistory: [30.0 , 29.0]},
+                {name: "name4", bmiHistory: [2.9e1, 31.0]}
+            ],
+            @graphql:ID string[] j = ["id1"]) returns string? => ();
+}

ballerina-tests/tests/records.bal

@@ -362,3 +362,18 @@ type AuthorRow record {|
     readonly int id;
     string name;
 |};
+
+type InputObject record {|
+    string name = "name";
+    decimal[]? bmiHistory = [1.0, 3];
+    *InputObject2;
+|};
+
+type InputObject2 record {|
+    Sex sex = MALE;
+    *InputObject3;
+|};
+
+type InputObject3 record {|
+    int age = 30;
+|};

ballerina-tests/tests/resources/documents/introspection_on_input_object_having_defaultable_fields.graphql

@@ -0,0 +1,9 @@
+{
+  __type(name: "InputObject") {
+    name
+    inputFields {
+      name
+      defaultValue
+    }
+  }
+}

ballerina-tests/tests/resources/documents/introspection_on_inputs_with_default_values.graphql

@@ -1,20 +1,38 @@
-query {
-    __schema {
-        queryType {
-            fields {
-                name
-                args {
-                    defaultValue
-                    type {
-                        kind
-                        name
-                        ofType {
-                            kind
-                            name
-                        }
-                    }
-                }
-            }
-        }
+{
+  query: __type(name: "Query") {
+    fields {
+      name
+      args {
+        name
+        defaultValue
+      }
     }
+  }
+  mutation: __type(name: "Mutation") {
+    fields {
+      name
+      args {
+        name
+        defaultValue
+      }
+    }
+  }
+  subscription: __type(name: "Subscription") {
+    fields {
+      name
+      args {
+        name
+        defaultValue
+      }
+    }
+  }
+  nestedFieldsWithDefaultParam: __type(name: "NestedField") {
+    fields {
+      name
+      args {
+        name
+        defaultValue
+      }
+    }
+  }
 }

ballerina-tests/tests/resources/expected_results/introspection_on_input_object_having_defaultable_fields.json

@@ -0,0 +1,13 @@
+{
+  "data": {
+    "__type": {
+      "name": "InputObject",
+      "inputFields": [
+        { "name": "name", "defaultValue": "\"name\"" },
+        { "name": "bmiHistory", "defaultValue": "[1.0, 3]" },
+        { "name": "sex", "defaultValue": "MALE" },
+        { "name": "age", "defaultValue": "30" }
+      ]
+    }
+  }
+}