standardize error messages prior to introducing schema coordinates

src/execution/__tests__/variables-test.ts

@@ -226,7 +226,7 @@ describe('Execute: Handles inputs', () => {
           errors: [
             {
               message:
-                'Argument "input" has invalid value ["foo", "bar", "baz"].',
+                'Argument "input" of type "TestInputObject" has invalid value ["foo", "bar", "baz"].',
               path: ['fieldWithObjectInput'],
               locations: [{ line: 3, column: 41 }],
             },
@@ -262,7 +262,7 @@ describe('Execute: Handles inputs', () => {
           errors: [
             {
               message:
-                'Argument "input" has invalid value { c: "foo", e: "bar" }.',
+                'Argument "input" of type "TestInputObject" has invalid value { c: "foo", e: "bar" }.',
               path: ['fieldWithObjectInput'],
               locations: [{ line: 3, column: 41 }],
             },
@@ -462,7 +462,7 @@ describe('Execute: Handles inputs', () => {
           errors: [
             {
               message:
-                'Variable "$input" got invalid value { a: "foo", b: "bar" }; Field "c" of required type "String!" was not provided.',
+                'Variable "$input" got invalid value { a: "foo", b: "bar" }; Field "TestInputObject.c" of required type "String!" was not provided.',
               locations: [{ line: 2, column: 16 }],
             },
           ],
@@ -481,12 +481,12 @@ describe('Execute: Handles inputs', () => {
           errors: [
             {
               message:
-                'Variable "$input" got invalid value { a: "foo" } at "input.na"; Field "c" of required type "String!" was not provided.',
+                'Variable "$input" got invalid value { a: "foo" } at "input.na"; Field "TestInputObject.c" of required type "String!" was not provided.',
               locations: [{ line: 2, column: 18 }],
             },
             {
               message:
-                'Variable "$input" got invalid value { na: { a: "foo" } }; Field "nb" of required type "String!" was not provided.',
+                'Variable "$input" got invalid value { na: { a: "foo" } }; Field "TestNestedInputObject.nb" of required type "String!" was not provided.',
               locations: [{ line: 2, column: 18 }],
             },
           ],
@@ -1042,7 +1042,8 @@ describe('Execute: Handles inputs', () => {
         },
         errors: [
           {
-            message: 'Argument "input" has invalid value WRONG_TYPE.',
+            message:
+              'Argument "input" of type "String" has invalid value WRONG_TYPE.',
             locations: [{ line: 3, column: 48 }],
             path: ['fieldWithDefaultArgumentValue'],
           },

src/execution/values.ts

@@ -215,7 +215,9 @@ export function getArgumentValues(
       // execution. This is a runtime check to ensure execution does not
       // continue with an invalid argument value.
       throw new GraphQLError(
-        `Argument "${name}" has invalid value ${print(valueNode)}.`,
+        `Argument "${name}" of type "${inspect(
+          argType,
+        )}" has invalid value ${print(valueNode)}.`,
         { nodes: valueNode },
       );
     }

src/type/__tests__/introspection-test.ts

@@ -1644,7 +1644,7 @@ describe('Introspection', () => {
       errors: [
         {
           message:
-            'Field "__type" argument "name" of type "String!" is required, but it was not provided.',
+            'Argument "__type(name:)" of type "String!" is required, but it was not provided.',
           locations: [{ line: 3, column: 9 }],
         },
       ],

src/type/__tests__/validation-test.ts

@@ -2089,7 +2089,7 @@ describe('Objects must adhere to Interface they implement', () => {
     expectJSON(validateSchema(schema)).toDeepEqual([
       {
         message:
-          'Object field AnotherObject.field includes required argument requiredArg that is missing from the Interface field AnotherInterface.field.',
+          'Argument "AnotherObject.field(requiredArg:)" must not be required type "String!" if not provided by the Interface field "AnotherInterface.field".',
         locations: [
           { line: 13, column: 11 },
           { line: 7, column: 9 },
@@ -2546,7 +2546,7 @@ describe('Interfaces must adhere to Interface they implement', () => {
     expectJSON(validateSchema(schema)).toDeepEqual([
       {
         message:
-          'Object field ChildInterface.field includes required argument requiredArg that is missing from the Interface field ParentInterface.field.',
+          'Argument "ChildInterface.field(requiredArg:)" must not be required type "String!" if not provided by the Interface field "ParentInterface.field".',
         locations: [
           { line: 13, column: 11 },
           { line: 7, column: 9 },

src/type/validate.ts

@@ -433,7 +433,13 @@ function validateTypeImplementsInterface(
       const ifaceArg = ifaceField.args.find((arg) => arg.name === argName);
       if (!ifaceArg && isRequiredArgument(typeArg)) {
         context.reportError(
-          `Object field ${type.name}.${fieldName} includes required argument ${argName} that is missing from the Interface field ${iface.name}.${fieldName}.`,
+          `Argument "${
+            type.name
+          }.${fieldName}(${argName}:)" must not be required type "${inspect(
+            typeArg.type,
+          )}" if not provided by the Interface field "${
+            iface.name
+          }.${fieldName}".`,
           [typeArg.astNode, ifaceField.astNode],
         );
       }

src/utilities/__tests__/coerceInputValue-test.ts

@@ -238,7 +238,8 @@ describe('coerceInputValue', () => {
       const result = coerceValue({ bar: 123 }, TestInputObject);
       expectErrors(result).to.deep.equal([
         {
-          error: 'Field "foo" of required type "Int!" was not provided.',
+          error:
+            'Field "TestInputObject.foo" of required type "Int!" was not provided.',
           path: [],
           value: { bar: 123 },
         },