Parallel Letter Frequency

sqlite/hello-world/test_reporter.sql

@@ -0,0 +1,37 @@
+-- Upadate message for failed tests to give helpful information:
+UPDATE tests
+SET
+  message = (
+    'Greeting' || ' is "' || COALESCE(actual.greeting, 'NULL') || '" but should be "' || tests.expected || '"'
+  )
+FROM
+  (
+    SELECT
+      greeting
+    FROM
+      hello_world
+  ) AS actual
+WHERE
+  tests.status = 'fail';
+
+-- Save results to ./output.json (needed by the online test-runner)
+.mode json
+.once './output.json'
+SELECT
+  name,
+  status,
+  message,
+  output,
+  test_code,
+  task_id
+FROM
+  tests;
+
+-- Display test results in readable form for the student:
+.mode table
+SELECT
+  name,
+  status,
+  message
+FROM
+  tests;