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update stringToReact.test.js
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+100
-42
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3 files changed

+100
-42
lines changed

‎src/__snapshots__/stringToReact.test.js.snap‎

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@@ -0,0 +1,10 @@
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// Jest Snapshot v1, https://goo.gl/fbAQLP
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exports[`snapshots : data props should be passed as props to generated component 1`] = `
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<div
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className="mock-class-name"
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id="mock-id"
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/>
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`;
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exports[`snapshots : default render structure 1`] = `null`;

‎src/ctx.tsx‎

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@@ -97,6 +97,9 @@ class Ctx implements IStringToReactApi {
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return this._temp;
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}
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update(template: string, babelOptions: TransformOptions): void {
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this._update(template, babelOptions);
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}
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_update(template: string, babelOptions: TransformOptions): void {
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this._updateComponent(this._updateTemplate(template, babelOptions), babelOptions);
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}
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_onChangeComponent(): void {

‎src/stringToReact.test.js‎

Lines changed: 87 additions & 42 deletions
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@@ -1,4 +1,5 @@
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import React from 'react';
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import renderer from 'react-test-renderer';
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import * as Babel from '@babel/standalone';
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import {render, unmountComponentAtNode} from 'react-dom';
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import {act} from 'react-dom/test-utils';
@@ -13,12 +14,13 @@ beforeAll(() => {
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document.body.appendChild(container);
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});
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beforeEach(() => {
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renderApp = (temp, deps, rerender, temp2) => {
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renderApp = (temp, babelOptions, deps, rerender, temp2, babelOptions2) => {
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let secondRender = false;
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const StrintToReactCom = StrintToReact.bind(undefined, deps);
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const App = function () {
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const template = secondRender ? temp2 || str : temp || str;
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return <StrintToReactCom>{template}</StrintToReactCom>;
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const babelOp = secondRender ? babelOptions2 : babelOptions;
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return <StrintToReactCom babelOptions={babelOp}>{template}</StrintToReactCom>;
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};
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act(() => {
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render(<App></App>, container);
@@ -40,58 +42,101 @@ afterAll(() => {
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document.body.removeChild(container);
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container = null;
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});
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describe('rendering : ', () => {
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test('generated component from string should be updated when props.children is changed', () => {
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describe('calling update method : ', () => {
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test('update method should be called with two parameters when props.children is changed', () => {
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let _ctx, _ctx2;
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const getCtx = function () {
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_ctx = new Ctx(React, Babel);
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const getCtx = function (react, Babel, rerender) {
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_ctx = new Ctx(react, Babel, rerender);
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_ctx.getComponent = jest.fn(() => _ctx._com);
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_ctx._transpile = jest.fn(
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() => `() => /*#__PURE__*/React.createElement("p", {
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id: "someText"
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}, "some text");`,
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);
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_ctx.update = jest.fn((template, babelOptions) => {});
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return _ctx;
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},
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getCtx2 = function () {
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_ctx2 = new Ctx(React, Babel);
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getCtx2 = function (react, Babel, rerender) {
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_ctx2 = new Ctx(react, Babel, rerender);
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_ctx2.getComponent = jest.fn(() => _ctx2._com);
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_ctx2._transpile = jest.fn(
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() => `() => /*#__PURE__*/React.createElement("p", {
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id: "someText2"
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}, "some text2");`,
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);
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_ctx2.update = jest.fn((template, babelOptions) => {});
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return _ctx2;
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};
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renderApp(str, {getCtx, react, Babel}, true);
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expect(_ctx.getComponent.mock.calls.length).toBe(2);
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expect(_ctx._transpile.mock.calls.length).toBe(1);
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renderApp(str, {getCtx: getCtx2, react, Babel}, true, str2);
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expect(_ctx2.getComponent.mock.calls.length).toBe(2);
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expect(_ctx2._transpile.mock.calls.length).toBe(2);
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const babelOp = {};
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renderApp(str, babelOp, {getCtx, react, Babel}, true, str);
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expect(_ctx.update.mock.calls.length).toBe(1);
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expect(_ctx.update.mock.calls[0][0]).toBe(str);
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expect(_ctx.update.mock.calls[0][1]).toEqual(babelOp);
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renderApp(str, babelOp, {getCtx: getCtx2, react, Babel}, true, str2);
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expect(_ctx2.update.mock.calls.length).toBe(2);
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expect(_ctx2.update.mock.calls[0][0]).toBe(str);
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expect(_ctx2.update.mock.calls[0][1]).toEqual(babelOp);
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expect(_ctx2.update.mock.calls[1][0]).toBe(str2);
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expect(_ctx2.update.mock.calls[1][1]).toEqual(babelOp);
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});
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test('update method should be called with two parameters when babelOptions is changed', () => {
73+
let _ctx, _ctx2;
74+
const getCtx = function (react, Babel, rerender) {
75+
_ctx = new Ctx(react, Babel, rerender);
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_ctx.getComponent = jest.fn(() => _ctx._com);
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_ctx.update = jest.fn((template, babelOptions) => {});
78+
return _ctx;
79+
},
80+
getCtx2 = function (react, Babel, rerender) {
81+
_ctx2 = new Ctx(react, Babel, rerender);
82+
_ctx2.getComponent = jest.fn(() => _ctx2._com);
83+
_ctx2.update = jest.fn((template, babelOptions) => {});
84+
return _ctx2;
85+
};
86+
const babelOp = {};
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const babelOp2 = {presets: ['react']};
88+
renderApp(str, babelOp, {getCtx, react, Babel}, true, str, babelOp);
89+
expect(_ctx.update.mock.calls.length).toBe(1);
90+
expect(_ctx.update.mock.calls[0][0]).toBe(str);
91+
expect(_ctx.update.mock.calls[0][1]).toEqual(babelOp);
92+
renderApp(str, babelOp, {getCtx: getCtx2, react, Babel}, true, str, babelOp2);
93+
expect(_ctx2.update.mock.calls.length).toBe(2);
94+
expect(_ctx2.update.mock.calls[0][0]).toBe(str);
95+
expect(_ctx2.update.mock.calls[0][1]).toEqual(babelOp);
96+
expect(_ctx2.update.mock.calls[1][0]).toBe(str);
97+
expect(_ctx2.update.mock.calls[1][1]).toEqual(babelOp2);
7298
});
73-
test('it should call updateTemplate method with props.children as a parameter', () => {
99+
});
100+
describe('calling getComponent method : ', () => {
101+
test('getComponent method should be called on every render', () => {
74102
let _ctx;
75-
const getCtx = function () {
76-
_ctx = new Ctx(React, Babel);
77-
const updateTemplate = _ctx.updateTemplate;
78-
_ctx.updateTemplate = jest.fn((temp) => updateTemplate.call(_ctx, temp));
79-
_ctx._transpile = jest.fn(
80-
() => `() => /*#__PURE__*/React.createElement("p", {
81-
id: "someText"
82-
}, "some text");`,
83-
);
103+
const getCtx = function (react, Babel, rerender) {
104+
_ctx = new Ctx(react, Babel, rerender);
105+
_ctx.getComponent = jest.fn(() => _ctx._com);
106+
_ctx.update = jest.fn((template, babelOptions) => {});
84107
return _ctx;
85108
};
86-
renderApp(str, {getCtx, react, Babel});
87-
expect(_ctx.updateTemplate.mock.calls[0][0]).toBe(str);
109+
const babelOp = {};
110+
renderApp(str, babelOp, {getCtx, react, Babel}, true, str, babelOp);
111+
expect(_ctx.getComponent.mock.calls.length).toBe(2);
88112
});
89113
});
90-
describe('React global variable', () => {
91-
test('The constructor should set the React global variable', () => {
92-
window.React = undefined;
93-
new Ctx(React, Babel);
94-
expect(window.React).toEqual(React);
95-
window.React = React;
114+
describe('snapshots : ', () => {
115+
test('data props should be passed as props to generated component', () => {
116+
let _ctx;
117+
const getCtx = function (react, Babel, rerender) {
118+
_ctx = new Ctx(react, Babel, rerender);
119+
_ctx.getComponent = () => (props) => <div {...props} />;
120+
_ctx.update = jest.fn((template, babelOptions) => {});
121+
return _ctx;
122+
};
123+
const StrintToReactCom = StrintToReact.bind(undefined, {getCtx, react, Babel});
124+
const tree = renderer
125+
.create(<StrintToReactCom data={{id: 'mock-id', className: 'mock-class-name'}}>{`string code`}</StrintToReactCom>)
126+
.toJSON();
127+
expect(tree).toMatchSnapshot();
128+
});
129+
test('default render structure', () => {
130+
let _ctx;
131+
const getCtx = function (react, Babel, rerender) {
132+
_ctx = new Ctx(react, Babel, rerender);
133+
_ctx.update = jest.fn((template, babelOptions) => {});
134+
return _ctx;
135+
};
136+
const StrintToReactCom = StrintToReact.bind(undefined, {getCtx, react, Babel});
137+
const tree = renderer
138+
.create(<StrintToReactCom data={{id: 'mock-id', className: 'mock-class-name'}}>{`string code`}</StrintToReactCom>)
139+
.toJSON();
140+
expect(tree).toMatchSnapshot();
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});
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});

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