Enable cy.mockGraphqlOps to handle async methods

client/cypress/support/commands.ts

@@ -60,43 +60,48 @@ const mockGraphql = (options?: any) => {
     // rebuilding what was in cypress-graphql-mock package here, because now we can just intercept the graphql call instead of messing with fetch
     cy.intercept('POST', '/api/graphql', (req) => {
       const { operationName, query, variables } = req.body;
-      const rootValue = getRootValue(currentOperations, operationName, variables);
+      return getRootValue(currentOperations, operationName, variables)
+        .then((rootValue) => {
+          if (!rootValue) {
+            return req;
+          }
 
-      if (!rootValue) {
-        return req;
-      }
+          if (
+            // Additional checks here because of transpilation.
+            // We will lose instanceof if we are not using specific babel plugin, or using pure TS to compile front-end
+            rootValue instanceof GraphQLError ||
+            rootValue.constructor === GraphQLError ||
+            rootValue.constructor.name === 'GraphQLError'
+          ) {
+            return req.reply({
+              body: {
+                data: {},
+                errors: [rootValue],
+              },
+            });
+          }
 
-      if (
-        // Additional checks here because of transpilation.
-        // We will lose instanceof if we are not using specific babel plugin, or using pure TS to compile front-end
-        rootValue instanceof GraphQLError ||
-        rootValue.constructor === GraphQLError ||
-        rootValue.constructor.name === 'GraphQLError'
-      ) {
-        return req.reply({
-          body: {
-            data: {},
-            errors: [rootValue],
-          },
-        });
-      }
-
-      graphql({
-        schema: schemaWithMocks,
-        source: query,
-        variableValues: variables,
-        operationName,
-        rootValue,
-      }).then(
-        (result) => {
-          req.reply({
-            ...result,
-          });
-        },
-        (e) => {
+          graphql({
+            schema: schemaWithMocks,
+            source: query,
+            variableValues: variables,
+            operationName,
+            rootValue,
+          }).then(
+            (result) => {
+              req.reply({
+                ...result,
+              });
+            },
+            (e) => {
+              console.error(e);
+            }
+          );
+        })
+        .catch((e) => {
           console.error(e);
-        }
-      );
+          req.reply({ statusCode: 500, body: { errors: ['Internal server error'] } });
+        });
     }).as('graphqlRequest');
 
     cy.wrap({
@@ -235,10 +240,10 @@ Cypress.Commands.add('mockGraphql', mockGraphql);
 
 Cypress.Commands.add('mockGraphqlOps', mockGraphqlOps);
 
-const getRootValue = (allOperations: any, operationName: string, variables: any) => {
+const getRootValue = async (allOperations: any, operationName: string, variables: any) => {
   const operation = allOperations[operationName];
   if (typeof operation === 'function') {
-    return operation(variables);
+    return Promise.resolve().then(() => operation(variables));
   }
-  return operation;
+  return Promise.resolve(operation);
 };