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import type {ApplyPatch} from '../../types';
export const testStrInsOp = (applyPatch: ApplyPatch) => {
describe('str_ins', () => {
describe('root', () => {
test('can add text to empty string', () => {
const operation: OperationStrIns = {
op: 'str_ins',
path: '',
pos: 0,
str: 'bar',
};
const result = applyPatch('', [operation], {mutate: true}).doc;
expect(result).toEqual('bar');
});
});
describe('object', () => {
test('can add text to empty string', () => {
const operation: OperationStrIns = {
op: 'str_ins',
path: '/foo',
pos: 0,
str: 'bar',
};
const result = applyPatch({foo: ''}, [operation], {mutate: true}).doc;
expect(result).toEqual({foo: 'bar'});
});
test('throws if target is not a string', () => {
const operation: OperationStrIns = {
op: 'str_ins',
path: '/foo',
pos: 0,
str: 'bar',
};
expect(() => applyPatch({foo: 123}, [operation], {mutate: true})).toThrow();
expect(() => applyPatch({foo: true}, [operation], {mutate: true})).toThrow();
expect(() => applyPatch({foo: {}}, [operation], {mutate: true})).toThrow();
expect(() => applyPatch({foo: []}, [operation], {mutate: true})).toThrow();
expect(() => applyPatch({foo: null}, [operation], {mutate: true})).toThrow();
});
test('can add text to empty string at position greater than host string length', () => {
const operation: OperationStrIns = {
op: 'str_ins',
path: '/foo',
pos: 25,
str: 'bar',
};
const result = applyPatch({foo: ''}, [operation], {mutate: true}).doc;
expect(result).toEqual({foo: 'bar'});
});
test('can insert text into a string', () => {
const operation: OperationStrIns = {
op: 'str_ins',
path: '/foo/bar',
pos: 1,
str: 'b',
};
const result = applyPatch({foo: {bar: 'ac'}}, [operation], {mutate: true}).doc;
expect(result).toEqual({foo: {bar: 'abc'}});
});
test('can insert text at the end of the string', () => {
const operation: OperationStrIns = {
op: 'str_ins',
path: '/foo/bar',
pos: 2,
str: 'haha',
};
const result = applyPatch({foo: {bar: 'ac'}}, [operation], {mutate: true}).doc;
expect(result).toEqual({foo: {bar: 'achaha'}});
});
test('can insert text into a string at position greater than host string length', () => {
const operation: OperationStrIns = {
op: 'str_ins',
path: '/foo/bar',
pos: 123,
str: 'b',
};
const result = applyPatch({foo: {bar: 'ac'}}, [operation], {mutate: true}).doc;
expect(result).toEqual({foo: {bar: 'acb'}});
});
});
describe('array', () => {
test('can add text to empty string', () => {
const operation: OperationStrIns = {
op: 'str_ins',
path: '/0',
pos: 0,
str: 'bar',
};
const result = applyPatch([''], [operation], {mutate: true}).doc;
expect(result).toEqual(['bar']);
});
test('can add text to empty string at position greater than host string length', () => {
const operation: OperationStrIns = {
op: 'str_ins',
path: '/0',
pos: 25,
str: 'bar',
};
const result = applyPatch([''], [operation], {mutate: true}).doc;
expect(result).toEqual(['bar']);
});
test('can insert text into a string', () => {
const operation: OperationStrIns = {
op: 'str_ins',
path: '/foo/1',
pos: 1,
str: 'b',
};
const result = applyPatch({foo: [0, 'ac']}, [operation], {mutate: true}).doc;
expect(result).toEqual({foo: [0, 'abc']});
});
test('can insert text at the end of the string', () => {
const operation: OperationStrIns = {
op: 'str_ins',
path: '/foo/2',
pos: 2,
str: 'haha',
};
const result = applyPatch({foo: [1, 2, 'ac']}, [operation], {mutate: true}).doc;
expect(result).toEqual({foo: [1, 2, 'achaha']});
});
test('can insert text into a string at position greater than host string length', () => {
const operation: OperationStrIns = {
op: 'str_ins',
path: '/1',
pos: 123,
str: 'b',
};
const result = applyPatch([true, 'ac'], [operation], {mutate: true}).doc;
expect(result).toEqual([true, 'acb']);
});
});
describe('scenarios', () => {
test('can create new string key and add content to it (if pos = 0 and there was nothing before)', () => {
const operations: OperationStrIns[] = [
{
op: 'str_ins',
path: '/baz',
pos: 0,
str: 'H',
},
{
op: 'str_ins',
path: '/baz',
pos: 1,
str: 'ello',
},
];
const result = applyPatch({foo: '123'}, operations, {mutate: true}).doc;
expect(result).toEqual({foo: '123', baz: 'Hello'});
});
test('throws if new string is create at position other than 0 (pos != 0)', () => {
const operations: OperationStrIns[] = [
{
op: 'str_ins',
path: '/baz',
pos: 1,
str: 'H',
},
{
op: 'str_ins',
path: '/baz',
pos: 2,
str: 'ello',
},
];
expect(() => applyPatch({foo: '123'}, operations, {mutate: true})).toThrow();
});
});
});
};
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