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London | 26-ITP-May | Yonatan Teklemariam | Sprint 3 | Implement and re-write tests #1381

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London | 26-ITP-May | Yonatan Teklemariam | Sprint 3 | Implement and re-write tests #1381

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28 changes: 26 additions & 2 deletions Sprint-3/1-implement-and-rewrite-tests/implement/1-get-angle-type.js
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Original file line number Diff line number Diff line change
Expand Up @@ -15,13 +15,27 @@
// execute the code to ensure all tests pass.

function getAngleType(angle) {
// TODO: Implement this function
if (angle > 0 && angle < 90) {
return "Acute angle";
}
if (angle === 90) {
return "Right angle";
}
if (angle > 90 && angle < 180) {
return "Obtuse angle";
}
if (angle === 180) {
return "Straight angle";
}
if (angle > 180 && angle < 360) {
return "Reflex angle";
}
return "Invalid angle";
}

// The line below allows us to load the getAngleType function into tests in other files.
// This will be useful in the "rewrite tests with jest" step.
module.exports = getAngleType;

// This helper function is written to make our assertions easier to read.
// If the actual output matches the target output, the test will pass
function assertEquals(actualOutput, targetOutput) {
Expand All @@ -33,5 +47,15 @@ function assertEquals(actualOutput, targetOutput) {

// TODO: Write tests to cover all cases, including boundary and invalid cases.
// Example: Identify Right Angles
const acute = getAngleType(45);
assertEquals(acute, "Acute angle");
const right = getAngleType(90);
assertEquals(right, "Right angle");
const obtuse = getAngleType(135);
assertEquals(obtuse, "Obtuse angle");
const straight = getAngleType(180);
assertEquals(straight, "Straight angle");
const reflex = getAngleType(270);
assertEquals(reflex, "Reflex angle");
const invalidAngle = getAngleType(-10);
assertEquals(invalidAngle, "Invalid angle");
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