snapshot of https://github.com/mountain-loop/yaak.git (main, 2026-09-23; blobs > 131072B omitted)

apps/yaak-client/lib/graphqlSchema.test.ts

@@ -0,0 +1,85 @@
+import { buildSchema, introspectionFromSchema } from "graphql";
+import { describe, expect, test } from "vite-plus/test";
+import { tryBuildIntrospectionFromFile } from "./graphqlSchema";
+
+const sdl = `
+  type Query {
+    hello: String!
+    user(id: ID!): User
+  }
+
+  type User {
+    id: ID!
+    name: String
+  }
+`;
+
+const introspection = introspectionFromSchema(buildSchema(sdl));
+
+describe("tryBuildIntrospectionFromFile", () => {
+  test("accepts introspection JSON wrapped in { data: ... }", () => {
+    const input = JSON.stringify({ data: introspection });
+    const result = tryBuildIntrospectionFromFile(input);
+
+    expect("schema" in result).toBe(true);
+    if ("schema" in result) {
+      expect(result.schema.getQueryType()?.getFields()).toHaveProperty("hello");
+      // Output content is the normalized, persistable shape.
+      expect(JSON.parse(result.content)).toHaveProperty("data.__schema");
+    }
+  });
+
+  test("accepts bare introspection JSON without a data wrapper", () => {
+    const input = JSON.stringify(introspection);
+    const result = tryBuildIntrospectionFromFile(input);
+
+    expect("schema" in result).toBe(true);
+    if ("schema" in result) {
+      expect(result.schema.getQueryType()?.getFields()).toHaveProperty("user");
+      // Bare input is wrapped on the way out.
+      expect(JSON.parse(result.content)).toHaveProperty("data.__schema");
+    }
+  });
+
+  test("accepts a GraphQL SDL string", () => {
+    const result = tryBuildIntrospectionFromFile(sdl);
+
+    expect("schema" in result).toBe(true);
+    if ("schema" in result) {
+      const fields = result.schema.getQueryType()?.getFields() ?? {};
+      expect(fields).toHaveProperty("hello");
+      expect(fields).toHaveProperty("user");
+      // SDL is converted to introspection JSON for storage.
+      expect(JSON.parse(result.content)).toHaveProperty("data.__schema");
+    }
+  });
+
+  test("returns an error for JSON that is neither introspection nor SDL", () => {
+    const result = tryBuildIntrospectionFromFile('{"unrelated":"value"}');
+
+    expect("error" in result).toBe(true);
+    if ("error" in result) {
+      expect(result.error).toMatch(/Could not parse file as introspection JSON or GraphQL SDL/);
+    }
+  });
+
+  test("returns an error for content that is neither valid JSON nor valid SDL", () => {
+    const result = tryBuildIntrospectionFromFile("not a schema!@#$");
+
+    expect("error" in result).toBe(true);
+    if ("error" in result) {
+      expect(result.error).toMatch(/Could not parse file as introspection JSON or GraphQL SDL/);
+    }
+  });
+
+  test("returns an error when introspection JSON has a malformed __schema", () => {
+    // Has the data.__schema shape but the contents are invalid for buildClientSchema.
+    const input = JSON.stringify({ data: { __schema: { broken: true } } });
+    const result = tryBuildIntrospectionFromFile(input);
+
+    expect("error" in result).toBe(true);
+    if ("error" in result) {
+      expect(result.error).toMatch(/Failed to build schema from introspection JSON/);
+    }
+  });
+});