From d02bb17e05c7a627c6b2110584ce9772d6b7d29f Mon Sep 17 00:00:00 2001 From: Mouawia Elkhalifa Date: Sun, 22 Feb 2026 23:32:12 +0000 Subject: [PATCH] feat: restore TDD work --- Sprint-3/2-practice-tdd/count.js | 8 +++- Sprint-3/2-practice-tdd/count.test.js | 30 ++++++++++++++ Sprint-3/2-practice-tdd/get-ordinal-number.js | 15 ++++++- .../2-practice-tdd/get-ordinal-number.test.js | 41 +++++++++++++++++++ Sprint-3/2-practice-tdd/repeat-str.js | 9 ++-- Sprint-3/2-practice-tdd/repeat-str.test.js | 20 ++++++++- 6 files changed, 116 insertions(+), 7 deletions(-) diff --git a/Sprint-3/2-practice-tdd/count.js b/Sprint-3/2-practice-tdd/count.js index 95b6ebb7d..84cd60b67 100644 --- a/Sprint-3/2-practice-tdd/count.js +++ b/Sprint-3/2-practice-tdd/count.js @@ -1,5 +1,9 @@ function countChar(stringOfCharacters, findCharacter) { - return 5 + let count =0; + for(let i=0; i { // And a character `char` that does not exist within `str`. // When the function is called with these inputs, // Then it should return 0, indicating that no occurrences of `char` were found. + +test("should return 0 when character does not exist in string", () => { + const str = "welcome"; + const char = "z"; + const count = countChar(str, char); + expect(count).toEqual(0); +}); + +// Scenario: Single Occurrence +// Given a string where the character appears exactly once, +// Then it should return 1. + +test("should return 1 when character appears once", () => { + const str = "apple"; + const char = "a"; + const count = countChar(str, char); + expect(count).toEqual(1); +}); + +// Scenario: Empty String +// Given an empty string, +// Then it should return 0 for any character. + +test("should return 0 for empty string", () => { + const str = ""; + const char = "a"; + const count = countChar(str, char); + expect(count).toEqual(0); +}); diff --git a/Sprint-3/2-practice-tdd/get-ordinal-number.js b/Sprint-3/2-practice-tdd/get-ordinal-number.js index f95d71db1..ce725da00 100644 --- a/Sprint-3/2-practice-tdd/get-ordinal-number.js +++ b/Sprint-3/2-practice-tdd/get-ordinal-number.js @@ -1,5 +1,18 @@ + function getOrdinalNumber(num) { - return "1st"; + const lastTwoDigits = num % 100; + + if (lastTwoDigits >= 11 && lastTwoDigits <= 13) { + return num + "th"; + } + + const lastDigit = num % 10; + + if (lastDigit === 1) return num + "st"; + if (lastDigit === 2) return num + "nd"; + if (lastDigit === 3) return num + "rd"; + + return num + "th"; } module.exports = getOrdinalNumber; diff --git a/Sprint-3/2-practice-tdd/get-ordinal-number.test.js b/Sprint-3/2-practice-tdd/get-ordinal-number.test.js index adfa58560..cb8de5a47 100644 --- a/Sprint-3/2-practice-tdd/get-ordinal-number.test.js +++ b/Sprint-3/2-practice-tdd/get-ordinal-number.test.js @@ -18,3 +18,44 @@ test("should append 'st' for numbers ending with 1, except those ending with 11" expect(getOrdinalNumber(21)).toEqual("21st"); expect(getOrdinalNumber(131)).toEqual("131st"); }); + +// Case 2: Numbers ending with 2 (but not 12) +// When the number ends with 2, except those ending with 12, +// Then the function should return a string by appending "nd" to the number. +test("should append 'nd' for numbers ending with 2, except those ending with 12", () => { + expect(getOrdinalNumber(2)).toEqual("2nd"); + expect(getOrdinalNumber(22)).toEqual("22nd"); + expect(getOrdinalNumber(102)).toEqual("102nd"); +}); + +// Case 3: Numbers ending with 3 (but not 13) +// When the number ends with 3, except those ending with 13, +// Then the function should return a string by appending "rd" to the number. +test("should append 'rd' for numbers ending with 3, except those ending with 13", () => { + expect(getOrdinalNumber(3)).toEqual("3rd"); + expect(getOrdinalNumber(23)).toEqual("23rd"); + expect(getOrdinalNumber(203)).toEqual("203rd"); +}); + +// Case 4: Numbers ending with 11, 12, 13 +// When the number ends with 11, 12, or 13, +// Then the function should return a string by appending "th" to the number. +test("should append 'th' for numbers ending with 11, 12, or 13", () => { + expect(getOrdinalNumber(11)).toEqual("11th"); + expect(getOrdinalNumber(12)).toEqual("12th"); + expect(getOrdinalNumber(13)).toEqual("13th"); + expect(getOrdinalNumber(111)).toEqual("111th"); + expect(getOrdinalNumber(112)).toEqual("112th"); + expect(getOrdinalNumber(113)).toEqual("113th"); +}); + +// Case 5: All other numbers +// When the number does not end with 1, 2, 3 (or ends with 11, 12, 13), +// Then the function should return a string by appending "th" to the number. +test("should append 'th' for all other numbers", () => { + expect(getOrdinalNumber(4)).toEqual("4th"); + expect(getOrdinalNumber(10)).toEqual("10th"); + expect(getOrdinalNumber(14)).toEqual("14th"); + expect(getOrdinalNumber(20)).toEqual("20th"); + expect(getOrdinalNumber(100)).toEqual("100th"); +}); diff --git a/Sprint-3/2-practice-tdd/repeat-str.js b/Sprint-3/2-practice-tdd/repeat-str.js index 3838c7b00..0c5973b78 100644 --- a/Sprint-3/2-practice-tdd/repeat-str.js +++ b/Sprint-3/2-practice-tdd/repeat-str.js @@ -1,5 +1,8 @@ -function repeatStr() { - return "hellohellohello"; -} +function repeatStr(str, count) { + if (count < 0) { + throw new Error("Count cannot be negative"); + } + return str.repeat(count); +} module.exports = repeatStr; diff --git a/Sprint-3/2-practice-tdd/repeat-str.test.js b/Sprint-3/2-practice-tdd/repeat-str.test.js index a3fc1196c..a89572c67 100644 --- a/Sprint-3/2-practice-tdd/repeat-str.test.js +++ b/Sprint-3/2-practice-tdd/repeat-str.test.js @@ -1,5 +1,6 @@ // Implement a function repeatStr const repeatStr = require("./repeat-str"); + // Given a target string `str` and a positive integer `count`, // When the repeatStr function is called with these inputs, // Then it should: @@ -8,7 +9,6 @@ const repeatStr = require("./repeat-str"); // Given a target string `str` and a positive integer `count` greater than 1, // When the repeatStr function is called with these inputs, // Then it should return a string that contains the original `str` repeated `count` times. - test("should repeat the string count times", () => { const str = "hello"; const count = 3; @@ -20,13 +20,31 @@ test("should repeat the string count times", () => { // Given a target string `str` and a `count` equal to 1, // When the repeatStr function is called with these inputs, // Then it should return the original `str` without repetition. +test("should return original string when count is 1", () => { + const str = "hello"; + const count = 1; + const repeatedStr = repeatStr(str, count); + expect(repeatedStr).toEqual("hello"); +}); // Case: Handle count of 0: // Given a target string `str` and a `count` equal to 0, // When the repeatStr function is called with these inputs, // Then it should return an empty string. +test("should return empty string when count is 0", () => { + const str = "hello"; + const count = 0; + const repeatedStr = repeatStr(str, count); + expect(repeatedStr).toEqual(""); +}); // Case: Handle negative count: // Given a target string `str` and a negative integer `count`, // When the repeatStr function is called with these inputs, // Then it should throw an error, as negative counts are not valid. +test("should throw error when count is negative", () => { + const str = "hello"; + const count = -2; + + expect(() => repeatStr(str, count)).toThrow(); +}); \ No newline at end of file