test: improve utils coverage (#4230)

* test: improve utils coverage

* refactor: review - rename isDefined to isNonNullable, update tests and return statement
This commit is contained in:
Thaïs
2024-02-29 13:03:52 -03:00
committed by GitHub
parent 6ec0e5e995
commit 30df6c10ea
85 changed files with 396 additions and 240 deletions

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@ -1,19 +0,0 @@
import { assertNotNull } from '~/utils/assert';
describe('assert', () => {
it('should return true for a NonNullable value', () => {
expect(assertNotNull(1)).toBeTruthy();
});
it('should return true for a NonNullable value', () => {
expect(assertNotNull('')).toBeTruthy();
});
it('should return false for a null value', () => {
expect(assertNotNull(null)).toBeFalsy();
});
it('should return false for an undefined value', () => {
expect(assertNotNull(undefined)).toBeFalsy();
});
});

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@ -1,19 +0,0 @@
import { isDefined } from '~/utils/isDefined';
describe('isDefined', () => {
it('should return true for a NonNullable value', () => {
expect(isDefined(1)).toBe(true);
});
it('should return true for a NonNullable value', () => {
expect(isDefined('')).toBe(true);
});
it('should return false for a null value', () => {
expect(isDefined(null)).toBe(false);
});
it('should return false for an undefined value', () => {
expect(isDefined(undefined)).toBe(false);
});
});

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@ -0,0 +1,15 @@
import { isNonNullable } from '~/utils/isNonNullable';
describe('isNonNullable', () => {
it('returns true if value is not undefined nor null', () => {
expect(isNonNullable('')).toBe(true);
});
it('returns false if value is null', () => {
expect(isNonNullable(null)).toBe(false);
});
it('returns false if value is undefined', () => {
expect(isNonNullable(undefined)).toBe(false);
});
});

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@ -0,0 +1,30 @@
import { parseApolloStoreFieldName } from '../parseApolloStoreFieldName';
describe('parseApolloStoreFieldName', () => {
it('returns an empty object if string is not a valid store field name', () => {
const result = parseApolloStoreFieldName('////');
expect(result).toEqual({});
});
it('returns the field name and parsed variables if they exist', () => {
const result = parseApolloStoreFieldName('fieldName({"key":"value"})');
expect(result).toEqual({
fieldName: 'fieldName',
fieldVariables: { key: 'value' },
});
});
it('returns only the field name if the variables cannot be parsed', () => {
const result = parseApolloStoreFieldName('fieldName(notJson)');
expect(result).toEqual({
fieldName: 'fieldName',
});
});
it('returns only the field name if there are no variables', () => {
const result = parseApolloStoreFieldName('fieldName');
expect(result).toEqual({
fieldName: 'fieldName',
});
});
});

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@ -0,0 +1,35 @@
import { sortAsc, sortDesc, sortNullsFirst, sortNullsLast } from '../sort';
describe('sort', () => {
describe('sortNullsFirst', () => {
it('should sort nulls first', () => {
expect(sortNullsFirst(null, 'a')).toBe(-1);
expect(sortNullsFirst('a', null)).toBe(1);
expect(sortNullsFirst('a', 'a')).toBe(0);
});
});
describe('sortNullsLast', () => {
it('should sort nulls last', () => {
expect(sortNullsLast(null, 'a')).toBe(1);
expect(sortNullsLast('a', null)).toBe(-1);
expect(sortNullsLast('a', 'a')).toBe(0);
});
});
describe('sortAsc', () => {
it('should sort in ascending order', () => {
expect(sortAsc('a', 'b')).toBe(-1);
expect(sortAsc('b', 'a')).toBe(1);
expect(sortAsc('a', 'a')).toBe(0);
});
});
describe('sortDesc', () => {
it('should sort in descending order', () => {
expect(sortDesc('a', 'b')).toBe(1);
expect(sortDesc('b', 'a')).toBe(-1);
expect(sortDesc('a', 'a')).toBe(0);
});
});
});

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@ -0,0 +1,25 @@
import { groupArrayItemsBy } from '../groupArrayItemsBy';
describe('groupArrayItemsBy', () => {
it('groups an array of objects by a computed key', () => {
// Given
const array = [
{ id: '1', type: 'fruit', value: 'apple' },
{ id: '2', type: 'fruit', value: 'banana' },
{ id: '3', type: 'vegetable', value: 'carrot' },
];
const computeGroupKey = ({ type }: (typeof array)[0]) => type;
// When
const result = groupArrayItemsBy(array, computeGroupKey);
// Then
expect(result).toEqual({
fruit: [
{ id: '1', type: 'fruit', value: 'apple' },
{ id: '2', type: 'fruit', value: 'banana' },
],
vegetable: [{ id: '3', type: 'vegetable', value: 'carrot' }],
});
});
});

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@ -0,0 +1,23 @@
import { mapArrayToObject } from '~/utils/array/mapArrayToObject';
describe('mapArrayToObject', () => {
it('maps an array of objects to an object with computed keys', () => {
// Given
const array = [
{ id: '1', value: 'one' },
{ id: '2', value: 'two' },
{ id: '3', value: 'three' },
];
const computeItemKey = ({ id }: { id: string }) => id;
// When
const result = mapArrayToObject(array, computeItemKey);
// Then
expect(result).toEqual({
'1': { id: '1', value: 'one' },
'2': { id: '2', value: 'two' },
'3': { id: '3', value: 'three' },
});
});
});

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@ -1,8 +1,30 @@
export const groupArrayItemsBy = <Item, Key extends string>(
array: Item[],
computeGroupKey: (item: Item) => Key,
/**
* Groups an array of items by a key computed from each item.
*
* @param array - The array to group.
* @param computeGroupKey - A function that computes the group key to which the item belongs.
*
* @returns An object with items grouped by a computed key.
*
* @example
* groupArrayItemsBy(
* [{ id: '1', type: 'fruit' }, { id: '2', type: 'vegetable' }, { id: '3', type: 'fruit' }],
* ({ type }) => type,
* )
* ⬇️
* {
* fruit: [{ id: '1', type: 'fruit' }, { id: '3', type: 'fruit' }],
* vegetable: [{ id: '2', type: 'vegetable' }],
* }
*/
export const groupArrayItemsBy = <
ArrayItem extends Record<string, unknown>,
Key extends string,
>(
array: ArrayItem[],
computeGroupKey: (item: ArrayItem) => Key,
) =>
array.reduce<Partial<Record<Key, Item[]>>>((result, item) => {
array.reduce<Partial<Record<Key, ArrayItem[]>>>((result, item) => {
const groupKey = computeGroupKey(item);
const previousGroup = result[groupKey] || [];

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@ -1,4 +1,27 @@
export const mapArrayToObject = <ArrayItem>(
/**
* Transforms an array of items into an object where the keys are computed from each item.
*
* @param array - The array to transform.
* @param computeItemKey - A function that computes a key from an item.
*
* @returns An object where the keys are computed from the items in the array.
*
* @example
* mapArrayToObject(
* [{ id: '1', type: 'fruit' }, { id: '2', type: 'vegetable' }, { id: '3', type: 'fruit' }],
* ({ id }) => id,
* )
* ⬇️
* {
* '1': { id: '1', type: 'fruit' },
* '2': { id: '2', type: 'vegetable' },
* '3': { id: '3', type: 'fruit' },
* }
*/
export const mapArrayToObject = <ArrayItem, Key extends string>(
array: ArrayItem[],
computeItemKey: (item: ArrayItem) => string,
) => Object.fromEntries(array.map((item) => [computeItemKey(item), item]));
computeItemKey: (item: ArrayItem) => Key,
) =>
Object.fromEntries(
array.map((item) => [computeItemKey(item), item]),
) as Record<Key, ArrayItem>;

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@ -1,5 +1,19 @@
export const moveArrayItem = <Item>(
array: Item[],
/**
* Moves an item in an array from one index to another.
*
* @param array - The array to move an item in.
* @param indices - The indices to move the item from and to.
* @param indices.fromIndex - The index to move the item from.
* @param indices.toIndex - The index to move the item to.
*
* @returns A new array with the item moved to the new index.
*
* @example
* moveArrayItem(['a', 'b', 'c'], { fromIndex: 0, toIndex: 2 })
* => ['b', 'c', 'a']
*/
export const moveArrayItem = <ArrayItem>(
array: ArrayItem[],
{ fromIndex, toIndex }: { fromIndex: number; toIndex: number },
) => {
if (!(fromIndex in array) || !(toIndex in array) || fromIndex === toIndex) {

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@ -1,2 +0,0 @@
export const assertNotNull = <T>(item: T): item is NonNullable<T> =>
item !== null && item !== undefined;

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@ -1,7 +1,7 @@
import { isDefined } from './isDefined';
import { isNonNullable } from './isNonNullable';
export const isDomain = (url: string | undefined | null) =>
isDefined(url) &&
isNonNullable(url) &&
/^((?!-))(xn--)?[a-z0-9][a-z0-9-_]{0,61}[a-z0-9]{0,1}\.(xn--)?([a-z0-9-]{1,61}|[a-z0-9-]{1,30}\.[a-z]{2,})$/.test(
url,
);

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@ -1,7 +1,7 @@
import { isDefined } from './isDefined';
import { isNonNullable } from './isNonNullable';
export const isURL = (url: string | undefined | null) =>
isDefined(url) &&
isNonNullable(url) &&
url.match(
/^(https?:\/\/)?(www.)?[-a-zA-Z0-9@:%._+~#=]{1,256}\.[a-z]{2,63}\b([-a-zA-Z0-9@:%_+.~#?&//=]*)/i,
);

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@ -1,3 +0,0 @@
export const isDefined = <T>(
value: T | undefined | null,
): value is NonNullable<T> => value !== undefined && value !== null;

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@ -0,0 +1,4 @@
import { isNull, isUndefined } from '@sniptt/guards';
export const isNonNullable = <T>(value: T): value is NonNullable<T> =>
!isUndefined(value) && !isNull(value);

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@ -8,19 +8,22 @@ export const parseApolloStoreFieldName = <
>(
storeFieldName: string,
) => {
const matches = storeFieldName.match(/([a-zA-Z][a-zA-Z0-9 ]*)\((.*)\)/);
const matches = storeFieldName.match(/([a-zA-Z][a-zA-Z0-9 ]*)(\((.*)\))?/);
if (!matches?.[1]) return {};
const fieldName = matches?.[1];
const [, , stringifiedVariables] = matches;
const fieldName = matches[1] as string;
if (!fieldName) {
return {};
}
const stringifiedVariables = matches[3];
try {
const fieldArguments = stringifiedVariables
const fieldVariables = stringifiedVariables
? (JSON.parse(stringifiedVariables) as Variables)
: undefined;
return { fieldName, fieldArguments };
return { fieldName, fieldVariables };
} catch {
return { fieldName };
}

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@ -13,7 +13,7 @@ export const sortNullsLast = (
export const sortAsc = (
fieldValueA: string | number,
fieldValueB: string | number,
) => (fieldValueA < fieldValueB ? -1 : 1);
) => (fieldValueA === fieldValueB ? 0 : fieldValueA < fieldValueB ? -1 : 1);
export const sortDesc = (
fieldValueA: string | number,