Add latest changes from gitlab-org/gitlab@12-5-stable-ee

4 files changed, 108 insertions, 3 deletions

diff --git a/spec/frontend/lib/utils/chart_utils_spec.js b/spec/frontend/lib/utils/chart_utils_spec.js
new file mode 100644
index 00000000000..e811b8405fb
--- /dev/null
+++ b/spec/frontend/lib/utils/chart_utils_spec.js
@@ -0,0 +1,11 @@
+import { firstAndLastY } from '~/lib/utils/chart_utils';
+
+describe('Chart utils', () => {
+  describe('firstAndLastY', () => {
+    it('returns the first and last y-values of a given data set as an array', () => {
+      const data = [['', 1], ['', 2], ['', 3]];
+
+      expect(firstAndLastY(data)).toEqual([1, 3]);
+    });
+  });
+});
diff --git a/spec/frontend/lib/utils/datetime_utility_spec.js b/spec/frontend/lib/utils/datetime_utility_spec.js
index e2e71229320..ee27789b6b9 100644
--- a/spec/frontend/lib/utils/datetime_utility_spec.js
+++ b/spec/frontend/lib/utils/datetime_utility_spec.js
@@ -428,16 +428,57 @@ describe('newDate', () => {
 });
 
 describe('getDateInPast', () => {
-  const date = new Date(1563235200000); // 2019-07-16T00:00:00.000Z;
+  const date = new Date('2019-07-16T00:00:00.000Z');
   const daysInPast = 90;
 
   it('returns the correct date in the past', () => {
     const dateInPast = datetimeUtility.getDateInPast(date, daysInPast);
-    expect(dateInPast).toBe('2019-04-17T00:00:00.000Z');
+    const expectedDateInPast = new Date('2019-04-17T00:00:00.000Z');
+
+    expect(dateInPast).toStrictEqual(expectedDateInPast);
   });
 
   it('does not modifiy the original date', () => {
     datetimeUtility.getDateInPast(date, daysInPast);
-    expect(date).toStrictEqual(new Date(1563235200000));
+    expect(date).toStrictEqual(new Date('2019-07-16T00:00:00.000Z'));
+  });
+});
+
+describe('getDatesInRange', () => {
+  it('returns an empty array if 1st or 2nd argument is not a Date object', () => {
+    const d1 = new Date('2019-01-01');
+    const d2 = 90;
+    const range = datetimeUtility.getDatesInRange(d1, d2);
+
+    expect(range).toEqual([]);
+  });
+
+  it('returns a range of dates between two given dates', () => {
+    const d1 = new Date('2019-01-01');
+    const d2 = new Date('2019-01-31');
+
+    const range = datetimeUtility.getDatesInRange(d1, d2);
+
+    expect(range.length).toEqual(31);
+  });
+
+  it('applies mapper function if provided fro each item in range', () => {
+    const d1 = new Date('2019-01-01');
+    const d2 = new Date('2019-01-31');
+    const formatter = date => date.getDate();
+
+    const range = datetimeUtility.getDatesInRange(d1, d2, formatter);
+
+    range.forEach((formattedItem, index) => {
+      expect(formattedItem).toEqual(index + 1);
+    });
+  });
+});
+
+describe('secondsToMilliseconds', () => {
+  it('converts seconds to milliseconds correctly', () => {
+    expect(datetimeUtility.secondsToMilliseconds(0)).toBe(0);
+    expect(datetimeUtility.secondsToMilliseconds(60)).toBe(60000);
+    expect(datetimeUtility.secondsToMilliseconds(123)).toBe(123000);
   });
 });
diff --git a/spec/frontend/lib/utils/number_utility_spec.js b/spec/frontend/lib/utils/number_utility_spec.js
index 381d7c6f8d9..2f8f1092612 100644
--- a/spec/frontend/lib/utils/number_utility_spec.js
+++ b/spec/frontend/lib/utils/number_utility_spec.js
@@ -7,6 +7,8 @@ import {
   sum,
   isOdd,
   median,
+  changeInPercent,
+  formattedChangeInPercent,
 } from '~/lib/utils/number_utils';
 
 describe('Number Utils', () => {
@@ -122,4 +124,42 @@ describe('Number Utils', () => {
       expect(median(items)).toBe(14.5);
     });
   });
+
+  describe('changeInPercent', () => {
+    it.each`
+      firstValue | secondValue | expectedOutput
+      ${99}      | ${100}      | ${1}
+      ${100}     | ${99}       | ${-1}
+      ${0}       | ${99}       | ${Infinity}
+      ${2}       | ${2}        | ${0}
+      ${-100}    | ${-99}      | ${1}
+    `(
+      'computes the change between $firstValue and $secondValue in percent',
+      ({ firstValue, secondValue, expectedOutput }) => {
+        expect(changeInPercent(firstValue, secondValue)).toBe(expectedOutput);
+      },
+    );
+  });
+
+  describe('formattedChangeInPercent', () => {
+    it('prepends "%" to the output', () => {
+      expect(formattedChangeInPercent(1, 2)).toMatch(/%$/);
+    });
+
+    it('indicates if the change was a decrease', () => {
+      expect(formattedChangeInPercent(100, 99)).toContain('-1');
+    });
+
+    it('indicates if the change was an increase', () => {
+      expect(formattedChangeInPercent(99, 100)).toContain('+1');
+    });
+
+    it('shows "-" per default if the change can not be expressed in an integer', () => {
+      expect(formattedChangeInPercent(0, 1)).toBe('-');
+    });
+
+    it('shows the given fallback if the change can not be expressed in an integer', () => {
+      expect(formattedChangeInPercent(0, 1, { nonFiniteResult: '*' })).toBe('*');
+    });
+  });
 });
diff --git a/spec/frontend/lib/utils/text_utility_spec.js b/spec/frontend/lib/utils/text_utility_spec.js
index b6f1aef9ce4..deb6dab772e 100644
--- a/spec/frontend/lib/utils/text_utility_spec.js
+++ b/spec/frontend/lib/utils/text_utility_spec.js
@@ -90,6 +90,19 @@ describe('text_utility', () => {
     });
   });
 
+  describe('convertToSnakeCase', () => {
+    it.each`
+      txt                      | result
+      ${'snakeCase'}           | ${'snake_case'}
+      ${'snake Case'}          | ${'snake_case'}
+      ${'snake case'}          | ${'snake_case'}
+      ${'snake_case'}          | ${'snake_case'}
+      ${'snakeCasesnake Case'} | ${'snake_casesnake_case'}
+    `('converts string $txt to $result string', ({ txt, result }) => {
+      expect(textUtils.convertToSnakeCase(txt)).toEqual(result);
+    });
+  });
+
   describe('convertToSentenceCase', () => {
     it('converts Sentence Case to Sentence case', () => {
       expect(textUtils.convertToSentenceCase('Hello World')).toBe('Hello world');