Add a really basic test for publish warnings, mostly just so we have …

…a place to add future builderReducer tests

app/__tests__/builderReducer.test.ts

@@ -0,0 +1,95 @@
+/**
+ * @jest-environment node
+ */
+
+import { Timestamp } from '../lib/timestamp';
+import {
+  PublishAction,
+  builderReducer,
+  initialBuilderState,
+} from '../reducers/builderReducer';
+
+function getState(
+  grid: string[],
+  clues: Record<string, string> | Record<string, string[]>
+) {
+  return initialBuilderState({
+    id: 'foo',
+    width: 3,
+    height: 3,
+    grid,
+    vBars: [],
+    hBars: [],
+    hidden: [],
+    highlighted: [],
+    highlight: 'circle',
+    blogPost: null,
+    guestConstructor: null,
+    title: null,
+    notes: null,
+    authorId: 'foo',
+    authorName: 'bar',
+    editable: true,
+    isPrivate: true,
+    isPrivateUntil: null,
+    contestAnswers: null,
+    contestHasPrize: false,
+    contestRevealDelay: null,
+    alternates: null,
+    userTags: [],
+    clues,
+  });
+}
+
+const publish: PublishAction = {
+  type: 'PUBLISH',
+  publishTimestamp: Timestamp.now(),
+};
+
+test('basic enum warnings', () => {
+  const state = getState(['a', 'b', 'c', 'g', '', '', 'd', 'e', 'f'], {
+    abc: 'test with good enum (3)',
+    def: 'test with bad enum (5)',
+    abd: 'missing with bad enum(4)',
+    agf: 'missing with no enum',
+    agd: 'test with no enum',
+  });
+  expect(builderReducer(state, publish).publishWarnings).toMatchInlineSnapshot(`
+    [
+      "Some clues are missing enumerations: (agd)",
+      "Some clues have enumerations that don't match the answer length: (def)",
+    ]
+  `);
+});
+
+test('enum error in duplicate clue', () => {
+  const state = getState(['a', 'b', 'c', 'a', 'b', 'c', 'a', 'b', 'c'], {
+    abc: [
+      'test with good enum (3)',
+      'test with bad enum (5)',
+      'missing with no enum',
+    ],
+    agf: ['missing with no enum'],
+    agd: ['test with no enum'],
+  });
+  expect(builderReducer(state, publish).publishWarnings).toMatchInlineSnapshot(`
+    [
+      "Some words are repeated (abc)",
+      "Some clues are missing enumerations: (abc)",
+      "Some clues have enumerations that don't match the answer length: (abc)",
+    ]
+  `);
+});
+
+test('missing refs', () => {
+  const state = getState(['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i'], {
+    abc: 'heres a ref to 4-across',
+    def: 'heres a 2D reference',
+    ghi: 'but this one to 7A should warn',
+  });
+  expect(builderReducer(state, publish).publishWarnings).toMatchInlineSnapshot(`
+    [
+      "Some clues reference entries that don't exist: (ghi)",
+    ]
+  `);
+});