Remove unrelated file changes not part of practice-tdd task

Author: Enice-Codes

Sprint-3/1-implement-and-rewrite-tests/implement/2-is-proper-fraction.js

@@ -9,12 +9,25 @@
 // Acceptance criteria:
 // After you have implemented the function, write tests to cover all the cases, and
 // execute the code to ensure all tests pass.
+
 function isProperFraction(numerator, denominator) {
-  if (denominator === 0) {
-    return false;
-  }
+  // TODO: Implement this function
+}
 
-  return Math.abs(numerator) < Math.abs(denominator);
+// The line below allows us to load the isProperFraction function into tests in other files.
+// This will be useful in the "rewrite tests with jest" step.
+module.exports = isProperFraction;
+
+// Here's our helper again
+function assertEquals(actualOutput, targetOutput) {
+  console.assert(
+    actualOutput === targetOutput,
+    `Expected ${actualOutput} to equal ${targetOutput}`
+  );
 }
 
-module.exports = isProperFraction;
+// TODO: Write tests to cover all cases.
+// What combinations of numerators and denominators should you test?
+
+// Example: 1/2 is a proper fraction
+assertEquals(isProperFraction(1, 2), true);

Sprint-3/1-implement-and-rewrite-tests/implement/3-get-card-value.js

@@ -20,27 +20,35 @@
 // Acceptance criteria:
 // After you have implemented the function, write tests to cover all the cases, and
 // execute the code to ensure all tests pass.
-function getCardValue(card) {
-  const rank = card.slice(0, -1);
-  const suit = card.slice(-1);
 
-  const validRanks = ["A", "2", "3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K"];
+function getCardValue(card) {
+  // TODO: Implement this function
+}
 
-  const validSuits = ["♠", "♥", "♦", "♣"];
+// The line below allows us to load the getCardValue function into tests in other files.
+// This will be useful in the "rewrite tests with jest" step.
+module.exports = getCardValue;
 
-  if (!validRanks.includes(rank) || !validSuits.includes(suit)) {
-    throw new Error("Invalid card");
-  }
+// Helper functions to make our assertions easier to read.
+function assertEquals(actualOutput, targetOutput) {
+  console.assert(
+    actualOutput === targetOutput,
+    `Expected ${actualOutput} to equal ${targetOutput}`
+  );
+}
 
-  if (rank === "A") {
-    return 11;
-  }
+// TODO: Write tests to cover all outcomes, including throwing errors for invalid cards.
+// Examples:
+assertEquals(getCardValue("9♠"), 9);
 
-  if (["J", "Q", "K"].includes(rank)) {
-    return 10;
-  }
+// Handling invalid cards
+try {
+  getCardValue("invalid");
 
-  return Number(rank);
+  // This line will not be reached if an error is thrown as expected
+  console.error("Error was not thrown for invalid card 😢");
+} catch (e) {
+  console.log("Error thrown for invalid card 🎉");
 }
 
-module.exports = getCardValue;
+// What other invalid card cases can you think of?