add tests for custom daily puzzles

TODO.md

@@ -1,7 +1,5 @@
 # TODO
 
-- Add tests for custom daily puzzles: must have appropriate number of letters for day, must consist of known words
-
 - make small puzzle more interconnected -- maybe by limiting grid size during generation?
 
 - Add a tutorial video that pops up at the start. like palette

src/logic/customDailyPuzzles.test.js

@@ -0,0 +1,50 @@
+import {customDailyPuzzles} from "./customDailyPuzzles";
+import {convertRepresentativeStringToGrid} from "./convertRepresentativeStringToGrid";
+import {getWordsFromGrid} from "./getWordsFromGrid";
+import {isKnown} from "@skedwards88/word_logic";
+import {trie} from "../logic/trie";
+import {getNumLettersForDay} from "./getNumLettersForDay";
+
+describe("customDailyPuzzles", () => {
+  test("All words in the custom daily puzzle must be valid", () => {
+    for (const representativeString of Object.values(customDailyPuzzles)) {
+      const grid = convertRepresentativeStringToGrid(representativeString);
+      const allWords = getWordsFromGrid(grid);
+      for (const word of allWords) {
+        const {isWord} = isKnown(word, trie);
+        if (!isWord) {
+          throw new Error(
+            `Unknown word ${word} in puzzle ${representativeString}`,
+          );
+        }
+      }
+    }
+  });
+
+  test("All custom daily puzzles should have an appropriate number of letters for the day", () => {
+    for (const [dateString, representativeString] of Object.entries(
+      customDailyPuzzles,
+    )) {
+      const grid = convertRepresentativeStringToGrid(representativeString);
+      const numberLetters = grid.flatMap((i) => i).filter((i) => i).length;
+
+      const year = parseInt(dateString.substring(0, 4), 10);
+      const month = parseInt(dateString.substring(4, 6), 10) - 1; // Subtract 1 since months are 0-indexed in JS
+      const dayOfMonth = parseInt(dateString.substring(6, 8), 10);
+
+      const date = new Date(year, month, dayOfMonth);
+      const dayNumber = date.getDay();
+
+      const expectedNumberLetters = getNumLettersForDay(dayNumber);
+
+      const wiggleRoom = 10;
+
+      // Just a warning for now
+      if (Math.abs(expectedNumberLetters - numberLetters) > wiggleRoom) {
+        console.warn(
+          `Custom puzzle for ${dateString} is more than ${wiggleRoom} letters off of the expected number of letters. (Has ${numberLetters}; expected ${expectedNumberLetters} +/ ${wiggleRoom})`,
+        );
+      }
+    }
+  });
+});

src/logic/getNumLettersForDay.js

@@ -1,5 +1,7 @@
-export function getNumLettersForDay() {
-  const today = new Date().getDay();
+export function getNumLettersForDay(dayNumber) {
+  if (dayNumber === undefined) {
+    dayNumber = new Date().getDay();
+  }
 
   const wordLengths = [
     60, // Sunday
@@ -11,5 +13,5 @@ export function getNumLettersForDay() {
     50,
   ];
 
-  return wordLengths[today];
+  return wordLengths[dayNumber];
 }