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Add tests for groceries exercise #82

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illicitonion merged 1 commit into from
May 9, 2021
Merged

Add tests for groceries exercise #82

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52 changes: 49 additions & 3 deletions mandatory/3-groceries.js
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Original file line number Diff line number Diff line change
Expand Up @@ -26,15 +26,13 @@ let weeklyMealPlan = {
Exercise 1:
Loop through the weekly meal plan object to gather weekly ingredients into the weeklyGroceriesToBuy array.
The weeklyGroceriesToBuy array shouldn't contain any repeating items.
Then use console.log() to print out the list.
*/
// Gather all week item names into this array
let weeklyGroceriesToBuy = [];

/*
Exercise 2:
Loop through your list again, but now only collect the weekend items into the weekendGroceriesToBuy array.
Then use console.log() to print out the list.
*/
// Gather weekend item names into this array
let weekendGroceriesToBuy = [];
Expand All @@ -44,7 +42,6 @@ Exercise 3:
Loop through your weekly meal plan:
- count how many ingredients you should buy each day
- and update the corresponding properties of numberOfItemsPerWeek object.
Finally use console.log() to print out the Object.
*/
// Gather daily item counts into this object
let numberOfItemsPerWeek = {
Expand All @@ -56,3 +53,52 @@ let numberOfItemsPerWeek = {
saturday: 0,
sunday: 0,
};

/*
==================================================
====== TESTS - DO NOT MODIFY BELOW THIS LINE =====
==================================================
*/
const util = require("util");

function test(testName, actual) {
let passed = true;

let allExpectedItems = [].concat(...Object.values(weeklyMealPlan));
if (testName === "weekendGroceriesToBuy") {
allExpectedItems = [].concat(weeklyMealPlan.saturday, weeklyMealPlan.sunday)
}

for (const item of allExpectedItems) {
if (!actual.includes(item)) {
passed = false;
console.log(`FAILED: \`${testName}\` should have contained ${util.inspect(item)} but it did not - it was ${util.inspect(actual)}`);
} else if (actual.indexOf(item) !== actual.lastIndexOf(item)) {
passed = false;
console.log(`FAILED: \`${testName}\` should only have contained ${util.inspect(item)} once but it appeared multiple times in ${util.inspect(actual)}`);
}
}

if (passed) {
console.log(`PASSED: ${testName} is correct!`);
}
}

test("weeklyGroceriesToBuy", weeklyGroceriesToBuy)
test("weekendGroceriesToBuy", weekendGroceriesToBuy)

let expectedNumberOfItemsPerWeek = {
monday: 5,
tuesday: 6,
wednesday: 4,
thursday: 4,
friday: 5,
saturday: 4,
sunday: 0,
};

if (util.isDeepStrictEqual(expectedNumberOfItemsPerWeek, numberOfItemsPerWeek)) {
console.log("PASSED: numberOfItemsPerWeek is correct");
} else {
console.log(`FAILED: expected \`numberOfItemsPerWeek\` to be ${util.inspect(expectedNumberOfItemsPerWeek)} but it was ${util.inspect(numberOfItemsPerWeek)}`);
}