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import type {Operation} from '../../../types';
import type {OperationInc} from '../../..';
export const testIncOp = (applyPatch: ApplyPatch) => {
const applyOperations = (doc: unknown, ops: Operation[]) => applyPatch(doc, ops, {mutate: true});
describe('inc', () => {
test('casts values and them increments them', () => {
const doc = {
val1: true,
val2: false,
val3: 1,
val4: 0,
};
const operations: OperationInc[] = [
{op: 'inc', path: '/val1', inc: 1},
{op: 'inc', path: '/val2', inc: 1},
{op: 'inc', path: '/val3', inc: 1},
{op: 'inc', path: '/val4', inc: 1},
];
const result = applyOperations(doc, operations).doc;
expect(result).toEqual({
val1: 2,
val2: 1,
val3: 2,
val4: 1,
});
});
test('can use arbitrary increment value, and can decrement', () => {
const doc = {
foo: 1,
};
const operations: OperationInc[] = [
{op: 'inc', path: '/foo', inc: 10},
{op: 'inc', path: '/foo', inc: -3},
];
const result = applyOperations(doc, operations).doc;
expect(result).toEqual({
foo: 8,
});
});
test('increment can be a floating point number', () => {
const doc = {
foo: 1,
};
const operations: OperationInc[] = [{op: 'inc', path: '/foo', inc: 0.1}];
const result = applyOperations(doc, operations).doc;
expect(result).toEqual({
foo: 1.1,
});
});
describe('root', () => {
test('increments from 0 to 5', () => {
const operation: OperationInc = {
op: 'inc',
path: '',
inc: 5,
};
const result = applyOperations(0, [operation]).doc;
expect(result).toEqual(5);
});
test('increments from -0 to 5', () => {
const operation: OperationInc = {
op: 'inc',
path: '',
inc: 5,
};
const result = applyOperations(-0, [operation]).doc;
expect(result).toEqual(5);
});
});
describe('object', () => {
test('increments from 0 to 5', () => {
const operation: OperationInc = {
op: 'inc',
path: '/lala',
inc: 5,
};
const result = applyOperations({lala: 0}, [operation]).doc;
expect(result).toEqual({lala: 5});
});
test('increments from -0 to 5', () => {
const operation: OperationInc = {
op: 'inc',
path: '/lala',
inc: 5,
};
const result = applyOperations({lala: -0}, [operation]).doc;
expect(result).toEqual({lala: 5});
});
test('casts string to number', () => {
const operation: OperationInc = {
op: 'inc',
path: '/lala',
inc: 5,
};
const result = applyOperations({lala: '4'}, [operation]).doc;
expect(result).toEqual({lala: 9});
});
test('can increment twice', () => {
const operations: OperationInc[] = [
{
op: 'inc',
path: '/lala',
inc: 1,
},
{
op: 'inc',
path: '/lala',
inc: 2,
},
];
const result = applyOperations({lala: 0}, operations).doc;
expect(result).toEqual({lala: 3});
});
});
describe('array', () => {
test('increments from 0 to -3', () => {
const operation: OperationInc = {
op: 'inc',
path: '/0',
inc: -3,
};
const result = applyOperations([0], [operation]).doc;
expect(result).toEqual([-3]);
});
test('increments from -0 to -3', () => {
const operation: OperationInc = {
op: 'inc',
path: '/0',
inc: -3,
};
const result = applyOperations([-0], [operation]).doc;
expect(result).toEqual([-3]);
});
});
});
};
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