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jsoneditor.spec.ts
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jsoneditor.spec.ts
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// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.
import { expect } from 'chai';
import { CodeMirrorEditorFactory } from '@jupyterlab/codemirror';
import { ObservableJSON } from '@jupyterlab/observables';
import { JSONEditor } from '@jupyterlab/codeeditor';
import { framePromise } from '@jupyterlab/testutils';
import { Message } from '@phosphor/messaging';
import { Widget } from '@phosphor/widgets';
import { simulate } from 'simulate-event';
class LogEditor extends JSONEditor {
methods: string[] = [];
events: string[] = [];
handleEvent(event: Event): void {
super.handleEvent(event);
this.events.push(event.type);
}
protected onAfterAttach(msg: Message): void {
super.onAfterAttach(msg);
this.methods.push('onAfterAttach');
}
protected onAfterShow(msg: Message): void {
super.onAfterShow(msg);
this.methods.push('onAfterShow');
}
protected onUpdateRequest(msg: Message): void {
super.onUpdateRequest(msg);
this.methods.push('onUpdateRequest');
}
protected onBeforeDetach(msg: Message): void {
super.onBeforeDetach(msg);
this.methods.push('onBeforeDetach');
}
}
describe('codeeditor', () => {
describe('JSONEditor', () => {
let editor: LogEditor;
let editorServices = new CodeMirrorEditorFactory();
const editorFactory = editorServices.newInlineEditor.bind(editorServices);
beforeEach(() => {
editor = new LogEditor({ editorFactory });
});
afterEach(() => {
editor.dispose();
});
describe('#constructor', () => {
it('should create a new metadata editor', () => {
let newEditor = new JSONEditor({ editorFactory });
expect(newEditor).to.be.an.instanceof(JSONEditor);
});
});
describe('#collapsible', () => {
it('should default to false', () => {
expect(editor.collapsible).to.be.false;
});
it('should be settable in the constructor', () => {
let newEditor = new JSONEditor({ editorFactory, collapsible: true });
expect(newEditor.collapsible).to.be.true;
});
});
describe('#editorTitle', () => {
it('should default to empty string', () => {
expect(editor.editorTitle).to.equal('');
});
it('should be settable in the constructor', () => {
let newEditor = new JSONEditor({ editorFactory, title: 'foo' });
expect(newEditor.editorTitle).to.equal('foo');
});
it('should be settable', () => {
editor.editorTitle = 'foo';
expect(editor.editorTitle).to.equal('foo');
});
});
describe('#headerNode', () => {
it('should be the header node used by the editor', () => {
expect(Array.from(editor.headerNode.classList)).to.contain(
'jp-JSONEditor-header'
);
});
});
describe('#titleNode', () => {
it('should be the title node used by the editor', () => {
expect(Array.from(editor.titleNode.classList)).to.contain(
'jp-JSONEditor-title'
);
});
});
describe('#collapserNode', () => {
it('should be the collapser node used by the editor', () => {
expect(Array.from(editor.collapserNode.classList)).to.contain(
'jp-JSONEditor-collapser'
);
});
});
describe('#editorHostNode', () => {
it('should be the editor host node used by the editor', () => {
expect(Array.from(editor.editorHostNode.classList)).to.contain(
'jp-JSONEditor-host'
);
});
});
describe('#revertButtonNode', () => {
it('should be the revert button node used by the editor', () => {
expect(Array.from(editor.revertButtonNode.classList)).to.contain(
'jp-JSONEditor-revertButton'
);
});
});
describe('#commitButtonNode', () => {
it('should be the commit button node used by the editor', () => {
expect(Array.from(editor.commitButtonNode.classList)).to.contain(
'jp-JSONEditor-commitButton'
);
});
});
describe('#source', () => {
it('should be the source of the metadata', () => {
expect(editor.source).to.equal(null);
});
it('should be settable', () => {
let source = new ObservableJSON();
editor.source = source;
expect(editor.source).to.equal(source);
});
it('should update the text area value', () => {
let model = editor.model;
expect(model.value.text).to.equal('No data!');
editor.source = new ObservableJSON();
expect(model.value.text).to.equal('{}');
});
});
describe('#isDirty', () => {
it('should test whether the editor value is dirty', () => {
expect(editor.isDirty).to.be.false;
Widget.attach(editor, document.body);
editor.model.value.text = 'a';
expect(editor.isDirty).to.be.true;
});
it('should be dirty if the value changes while focused', () => {
editor.source = new ObservableJSON();
Widget.attach(editor, document.body);
editor.editor.focus();
expect(editor.isDirty).to.be.false;
editor.source.set('foo', 1);
expect(editor.isDirty).to.be.true;
});
it('should not be set if not focused', () => {
editor.source = new ObservableJSON();
Widget.attach(editor, document.body);
expect(editor.isDirty).to.be.false;
editor.source.set('foo', 1);
expect(editor.isDirty).to.be.false;
});
});
context('model.value.changed', () => {
it('should add the error flag if invalid JSON', () => {
editor.model.value.text = 'foo';
expect(editor.hasClass('jp-mod-error')).to.be.true;
});
it('should show the commit button if the value has changed', () => {
editor.model.value.text = '{"foo": 2}';
editor.model.value.text = '{"foo": 1}';
expect(editor.commitButtonNode.hidden).to.be.false;
});
it('should not show the commit button if the value is invalid', () => {
editor.model.value.text = 'foo';
expect(editor.commitButtonNode.hidden).to.be.true;
});
it('should show the revert button if the value has changed', () => {
editor.model.value.text = 'foo';
expect(editor.revertButtonNode.hidden).to.be.false;
});
});
describe('#handleEvent()', () => {
beforeEach(() => {
Widget.attach(editor, document.body);
});
context('blur', () => {
it('should handle blur events on the host node', () => {
editor.editor.focus();
simulate(editor.editorHostNode, 'blur');
expect(editor.events).to.contain('blur');
});
it('should revert to current data if there was no change', () => {
editor.source = new ObservableJSON();
editor.editor.focus();
editor.source.set('foo', 1);
let model = editor.model;
expect(model.value.text).to.equal('{}');
simulate(editor.editorHostNode, 'blur');
expect(model.value.text).to.equal('{\n "foo": 1\n}');
});
it('should not revert to current data if there was a change', () => {
editor.source = new ObservableJSON();
editor.model.value.text = 'foo';
editor.source.set('foo', 1);
let model = editor.model;
expect(model.value.text).to.equal('foo');
simulate(editor.editorHostNode, 'blur');
expect(model.value.text).to.equal('foo');
expect(editor.commitButtonNode.hidden).to.be.true;
expect(editor.revertButtonNode.hidden).to.be.false;
});
});
context('click', () => {
it('should handle click events on the revert button', () => {
simulate(editor.revertButtonNode, 'click');
expect(editor.events).to.contain('click');
});
it('should revert the current data', () => {
editor.source = new ObservableJSON();
editor.model.value.text = 'foo';
simulate(editor.revertButtonNode, 'click');
expect(editor.model.value.text).to.equal('{}');
});
it('should handle programmatic changes', () => {
editor.source = new ObservableJSON();
editor.model.value.text = 'foo';
editor.source.set('foo', 1);
simulate(editor.revertButtonNode, 'click');
expect(editor.model.value.text).to.equal('{\n "foo": 1\n}');
});
it('should handle click events on the commit button', () => {
simulate(editor.commitButtonNode, 'click');
expect(editor.events).to.contain('click');
});
it('should bail if it is not valid JSON', () => {
editor.source = new ObservableJSON();
editor.model.value.text = 'foo';
editor.source.set('foo', 1);
simulate(editor.commitButtonNode, 'click');
expect(editor.model.value.text).to.equal('foo');
});
it('should override a key that was set programmatically', () => {
editor.source = new ObservableJSON();
editor.model.value.text = '{"foo": 2}';
editor.source.set('foo', 1);
simulate(editor.commitButtonNode, 'click');
expect(editor.model.value.text).to.equal('{\n "foo": 2\n}');
});
it('should allow a programmatic key to update', () => {
editor.source = new ObservableJSON();
editor.source.set('foo', 1);
editor.source.set('bar', 1);
editor.model.value.text = '{"foo":1, "bar": 2}';
editor.source.set('foo', 2);
simulate(editor.commitButtonNode, 'click');
let expected = '{\n "foo": 2,\n "bar": 2\n}';
expect(editor.model.value.text).to.equal(expected);
});
it('should allow a key to be added by the user', () => {
editor.source = new ObservableJSON();
editor.source.set('foo', 1);
editor.source.set('bar', 1);
editor.model.value.text = '{"foo":1, "bar": 2, "baz": 3}';
editor.source.set('foo', 2);
simulate(editor.commitButtonNode, 'click');
let value = '{\n "foo": 2,\n "bar": 2,\n "baz": 3\n}';
expect(editor.model.value.text).to.equal(value);
});
it('should allow a key to be removed by the user', () => {
editor.source = new ObservableJSON();
editor.source.set('foo', 1);
editor.source.set('bar', 1);
editor.model.value.text = '{"foo": 1}';
simulate(editor.commitButtonNode, 'click');
expect(editor.model.value.text).to.equal('{\n "foo": 1\n}');
});
it('should allow a key to be removed programmatically that was not set by the user', () => {
editor.source = new ObservableJSON();
editor.source.set('foo', 1);
editor.source.set('bar', 1);
editor.model.value.text = '{"foo": 1, "bar": 3}';
editor.source.delete('foo');
simulate(editor.commitButtonNode, 'click');
expect(editor.model.value.text).to.equal('{\n "bar": 3\n}');
});
it('should keep a key that was removed programmatically that was changed by the user', () => {
editor.source = new ObservableJSON();
editor.source.set('foo', 1);
editor.source.set('bar', 1);
editor.model.value.text = '{"foo": 2, "bar": 3}';
editor.source.set('foo', null);
simulate(editor.commitButtonNode, 'click');
let expected = '{\n "foo": 2,\n "bar": 3\n}';
expect(editor.model.value.text).to.equal(expected);
});
it('should collapse the editor', () => {
editor.dispose();
editor = new LogEditor({ editorFactory, collapsible: true });
Widget.attach(editor, document.body);
simulate(editor.titleNode, 'click');
expect(Array.from(editor.editorHostNode.classList)).to.contain(
'jp-mod-collapsed'
);
});
it('should have no effect if the editor is not collapsible', () => {
simulate(editor.titleNode, 'click');
expect(Array.from(editor.editorHostNode.classList)).to.not.contain(
'jp-mod-collapsed'
);
});
});
});
describe('#onAfterAttach()', () => {
it('should add event listeners', () => {
Widget.attach(editor, document.body);
expect(editor.methods).to.contain('onAfterAttach');
editor.editor.focus();
simulate(editor.editorHostNode, 'blur');
simulate(editor.revertButtonNode, 'click');
simulate(editor.commitButtonNode, 'click');
expect(editor.events).to.eql(['blur', 'click', 'click']);
});
});
describe('#onAfterShow()', () => {
it('should update the editor', async () => {
editor.hide();
Widget.attach(editor, document.body);
editor.show();
await framePromise();
expect(editor.methods).to.contain('onUpdateRequest');
});
});
describe('#onBeforeDetach()', () => {
it('should remove event listeners', () => {
Widget.attach(editor, document.body);
Widget.detach(editor);
expect(editor.methods).to.contain('onBeforeDetach');
editor.editor.focus();
simulate(editor.editorHostNode, 'blur');
simulate(editor.revertButtonNode, 'click');
simulate(editor.commitButtonNode, 'click');
expect(editor.events).to.eql([]);
});
});
context('#source.changed', () => {
it('should update the value', () => {
editor.source = new ObservableJSON();
editor.source.set('foo', 1);
expect(editor.model.value.text).to.equal('{\n "foo": 1\n}');
});
it('should bail if the input is dirty', () => {
Widget.attach(editor, document.body);
editor.source = new ObservableJSON();
editor.model.value.text = 'ha';
editor.source.set('foo', 2);
expect(editor.model.value.text).to.equal('ha');
});
it('should bail if the input is focused', () => {
Widget.attach(editor, document.body);
editor.model.value.text = '{}';
editor.source = new ObservableJSON();
editor.editor.focus();
editor.source.set('foo', 2);
expect(editor.model.value.text).to.equal('{}');
});
});
});
});