From 48484843dff6e56a561cc173f5714da636da19ef Mon Sep 17 00:00:00 2001
From: tina <lt-bloody@riox.eu>
Date: Wed, 22 Aug 2018 15:08:08 +0200
Subject: [PATCH] adds more tests for getcyclelengthstats with more realistic
data
---
test/cycle-length.spec.js | 51 +++++++++++++++++++++++++++++++++++----
1 file changed, 46 insertions(+), 5 deletions(-)
diff --git a/test/cycle-length.spec.js b/test/cycle-length.spec.js
index 043cf96d..ee05fcb5 100644
--- a/test/cycle-length.spec.js
+++ b/test/cycle-length.spec.js
@@ -17,7 +17,7 @@ describe('getCycleLengthStats', () => {
stdDeviation: 53.06
}
expect(result).to.eql(expectedResult)
- })
+ }),
it('works for a simple even-numbered array', () => {
const cycleLengths = [4, 1, 15, 2, 20, 5]
@@ -30,7 +30,8 @@ describe('getCycleLengthStats', () => {
stdDeviation: 7.78
}
expect(result).to.eql(expectedResult)
- })
+ }),
+
it('works for an one-element array', () => {
const cycleLengths = [42]
const result = cycleInfo(cycleLengths)
@@ -42,20 +43,60 @@ describe('getCycleLengthStats', () => {
stdDeviation: null
}
expect(result).to.eql(expectedResult)
+ }),
+
+ describe('works for more realistic examples', () => {
+ it('1 day difference between shortest and longest period', () => {
+ const cycleLengths = [28, 29, 28, 28, 28, 29, 28, 28, 28, 29, 29, 28]
+ const result = cycleInfo(cycleLengths)
+ const expectedResult = {
+ minimum: 28,
+ maximum: 29,
+ mean: 28.33,
+ median: 28,
+ stdDeviation: 0.49
+ }
+ expect(result).to.eql(expectedResult)
+ }),
+ it('3 days difference between shortest and longest period', () => {
+ const cycleLengths = [28, 29, 28, 28, 27, 30, 28, 27, 28, 28, 29, 27]
+ const result = cycleInfo(cycleLengths)
+ const expectedResult = {
+ minimum: 27,
+ maximum: 30,
+ mean: 28.08,
+ median: 28,
+ stdDeviation: 0.90
+ }
+ expect(result).to.eql(expectedResult)
+ }),
+ it('8 days difference between shortest and longest period', () => {
+ const cycleLengths = [28, 32, 29, 27, 28, 26, 33, 28, 29, 34, 27, 29]
+ const result = cycleInfo(cycleLengths)
+ const expectedResult = {
+ minimum: 26,
+ maximum: 34,
+ mean: 29.17,
+ median: 28.5,
+ stdDeviation: 2.52
+ }
+ expect(result).to.eql(expectedResult)
+ })
})
+
describe('when args are wrong', () => {
it('throws when arg object is an empty array', () => {
const cycleLengths = []
expect(() => cycleInfo(cycleLengths).to.throw(AssertionError))
- })
+ }),
it('throws when arg object is not in right format', () => {
const wrongObject = { hello: 'world' }
expect(() => cycleInfo(wrongObject).to.throw(AssertionError))
- })
+ }),
it('throws when arg array contains a string', () => {
const wrongElement = [4, 1, 15, '2', 20, 5]
expect(() => cycleInfo(wrongElement).to.throw(AssertionError))
- })
+ }),
it('throws when arg array contains a NaN', () => {
const wrongElement = [4, 1, 15, NaN, 20, 5]
expect(() => cycleInfo(wrongElement).to.throw(AssertionError))
--
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