test: add tests and questions service tests

Made-with: Cursor

tests/test-utils.ts

@@ -24,6 +24,40 @@ export function selectChain(resolveAtLimit: unknown[] = []) {
   };
 }
 
+/** Build a select chain for .from().where().orderBy() - orderBy is terminal */
+export function selectChainOrdered(resolveAtOrderBy: unknown[] = []) {
+  const orderByThenable = {
+    then: (resolve: (v: unknown) => void) => resolve(resolveAtOrderBy),
+  };
+  return {
+    from: vi.fn().mockReturnValue({
+      where: vi.fn().mockReturnValue({
+        orderBy: vi.fn().mockReturnValue(orderByThenable),
+      }),
+    }),
+  };
+}
+
+/** Build a select chain for .from().where() with no orderBy - used by select({...}).from() */
+export function selectChainSimple(resolveRows: unknown[] = []) {
+  const thenable = { then: (resolve: (v: unknown) => void) => resolve(resolveRows) };
+  return {
+    from: vi.fn().mockReturnValue({
+      where: vi.fn().mockReturnValue(thenable),
+    }),
+  };
+}
+
+/** Build a select chain for .from().where() - where is terminal (no orderBy/limit) */
+export function selectChainWhere(resolveAtWhere: unknown[] = []) {
+  const thenable = { then: (resolve: (v: unknown) => void) => resolve(resolveAtWhere) };
+  return {
+    from: vi.fn().mockReturnValue({
+      where: vi.fn().mockReturnValue(thenable),
+    }),
+  };
+}
+
 /** Build an insert chain that resolves at .returning() or .values() */
 export function insertChain(resolveAtReturning: unknown[] = []) {
   const returningFn = vi.fn().mockResolvedValue(resolveAtReturning);
@@ -46,6 +80,18 @@ export function updateChain(resolveAtWhere: unknown[] = []) {
   };
 }
 
+/** Build an update chain with .where().returning() */
+export function updateChainReturning(resolveAtReturning: unknown[] = []) {
+  const returningFn = vi.fn().mockResolvedValue(resolveAtReturning);
+  return {
+    set: vi.fn().mockReturnValue({
+      where: vi.fn().mockReturnValue({
+        returning: returningFn,
+      }),
+    }),
+  };
+}
+
 /** Build a delete chain that resolves at .where() */
 export function deleteChain() {
   return {