discourse/test/javascripts/components/d-editor-test.js.es6

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import componentTest from 'helpers/component-test';
import { withPluginApi } from 'discourse/lib/plugin-api';
moduleForComponent('d-editor', {integration: true});
componentTest('preview updates with markdown', {
template: '{{d-editor value=value}}',
test(assert) {
assert.ok(this.$('.d-editor-button-bar').length);
fillIn('.d-editor-input', 'hello **world**');
andThen(() => {
assert.equal(this.get('value'), 'hello **world**');
assert.equal(this.$('.d-editor-preview').html().trim(), '<p>hello <strong>world</strong></p>');
});
}
});
componentTest('preview sanitizes HTML', {
template: '{{d-editor value=value}}',
test(assert) {
fillIn('.d-editor-input', `"><svg onload="prompt(/xss/)"></svg>`);
andThen(() => {
assert.equal(this.$('.d-editor-preview').html().trim(), '<p>\"&gt;</p>');
});
}
});
componentTest('updating the value refreshes the preview', {
template: '{{d-editor value=value}}',
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beforeEach() {
this.set('value', 'evil trout');
},
test(assert) {
assert.equal(this.$('.d-editor-preview').html().trim(), '<p>evil trout</p>');
andThen(() => this.set('value', 'zogstrip'));
andThen(() => assert.equal(this.$('.d-editor-preview').html().trim(), '<p>zogstrip</p>'));
}
});
function jumpEnd(textarea) {
textarea.selectionStart = textarea.value.length;
textarea.selectionEnd = textarea.value.length;
return textarea;
}
function testCase(title, testFunc) {
componentTest(title, {
template: '{{d-editor value=value}}',
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beforeEach() {
this.set('value', 'hello world.');
},
test(assert) {
const textarea = jumpEnd(this.$('textarea.d-editor-input')[0]);
testFunc.call(this, assert, textarea);
}
});
}
function composerTestCase(title, testFunc) {
componentTest(title, {
template: '{{d-editor value=value composerEvents=true}}',
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beforeEach() {
this.set('value', 'hello world.');
},
test(assert) {
const textarea = jumpEnd(this.$('textarea.d-editor-input')[0]);
testFunc.call(this, assert, textarea);
}
});
}
testCase(`selecting the space before a word`, function(assert, textarea) {
textarea.selectionStart = 5;
textarea.selectionEnd = 7;
click(`button.bold`);
andThen(() => {
assert.equal(this.get('value'), `hello **w**orld.`);
assert.equal(textarea.selectionStart, 8);
assert.equal(textarea.selectionEnd, 9);
});
});
testCase(`selecting the space after a word`, function(assert, textarea) {
textarea.selectionStart = 0;
textarea.selectionEnd = 6;
click(`button.bold`);
andThen(() => {
assert.equal(this.get('value'), `**hello** world.`);
assert.equal(textarea.selectionStart, 2);
assert.equal(textarea.selectionEnd, 7);
});
});
testCase(`bold button with no selection`, function(assert, textarea) {
click(`button.bold`);
andThen(() => {
const example = I18n.t(`composer.bold_text`);
assert.equal(this.get('value'), `hello world.**${example}**`);
assert.equal(textarea.selectionStart, 14);
assert.equal(textarea.selectionEnd, 14 + example.length);
});
});
testCase(`bold button with a selection`, function(assert, textarea) {
textarea.selectionStart = 6;
textarea.selectionEnd = 11;
click(`button.bold`);
andThen(() => {
assert.equal(this.get('value'), `hello **world**.`);
assert.equal(textarea.selectionStart, 8);
assert.equal(textarea.selectionEnd, 13);
});
click(`button.bold`);
andThen(() => {
assert.equal(this.get('value'), 'hello world.');
assert.equal(textarea.selectionStart, 6);
assert.equal(textarea.selectionEnd, 11);
});
});
testCase(`bold with a multiline selection`, function (assert, textarea) {
this.set('value', "hello\n\nworld\n\ntest.");
andThen(() => {
textarea.selectionStart = 0;
textarea.selectionEnd = 12;
});
click(`button.bold`);
andThen(() => {
assert.equal(this.get('value'), `**hello**\n\n**world**\n\ntest.`);
assert.equal(textarea.selectionStart, 0);
assert.equal(textarea.selectionEnd, 20);
});
click(`button.bold`);
andThen(() => {
assert.equal(this.get('value'), `hello\n\nworld\n\ntest.`);
assert.equal(textarea.selectionStart, 0);
assert.equal(textarea.selectionEnd, 12);
});
});
testCase(`italic button with no selection`, function(assert, textarea) {
click(`button.italic`);
andThen(() => {
const example = I18n.t(`composer.italic_text`);
assert.equal(this.get('value'), `hello world._${example}_`);
assert.equal(textarea.selectionStart, 13);
assert.equal(textarea.selectionEnd, 13 + example.length);
});
});
testCase(`italic button with a selection`, function(assert, textarea) {
textarea.selectionStart = 6;
textarea.selectionEnd = 11;
click(`button.italic`);
andThen(() => {
assert.equal(this.get('value'), `hello _world_.`);
assert.equal(textarea.selectionStart, 7);
assert.equal(textarea.selectionEnd, 12);
});
click(`button.italic`);
andThen(() => {
assert.equal(this.get('value'), 'hello world.');
assert.equal(textarea.selectionStart, 6);
assert.equal(textarea.selectionEnd, 11);
});
});
testCase(`italic with a multiline selection`, function (assert, textarea) {
this.set('value', "hello\n\nworld\n\ntest.");
andThen(() => {
textarea.selectionStart = 0;
textarea.selectionEnd = 12;
});
click(`button.italic`);
andThen(() => {
assert.equal(this.get('value'), `_hello_\n\n_world_\n\ntest.`);
assert.equal(textarea.selectionStart, 0);
assert.equal(textarea.selectionEnd, 16);
});
click(`button.italic`);
andThen(() => {
assert.equal(this.get('value'), `hello\n\nworld\n\ntest.`);
assert.equal(textarea.selectionStart, 0);
assert.equal(textarea.selectionEnd, 12);
});
});
testCase('link modal (cancel)', function(assert) {
assert.equal(this.$('.insert-link.hidden').length, 1);
click('button.link');
andThen(() => {
assert.equal(this.$('.insert-link.hidden').length, 0);
});
click('.insert-link button.btn-danger');
andThen(() => {
assert.equal(this.$('.insert-link.hidden').length, 1);
assert.equal(this.get('value'), 'hello world.');
});
});
testCase('link modal (simple link)', function(assert, textarea) {
click('button.link');
const url = 'http://eviltrout.com';
fillIn('.insert-link input.link-url', url);
click('.insert-link button.btn-primary');
andThen(() => {
assert.equal(this.$('.insert-link.hidden').length, 1);
assert.equal(this.get('value'), `hello world.[${url}](${url})`);
assert.equal(textarea.selectionStart, 13);
assert.equal(textarea.selectionEnd, 13 + url.length);
});
});
testCase('link modal auto http addition', function(assert) {
click('button.link');
fillIn('.insert-link input.link-url', 'sam.com');
click('.insert-link button.btn-primary');
andThen(() => {
assert.equal(this.get('value'), `hello world.[sam.com](http://sam.com)`);
});
});
testCase('link modal (simple link) with selected text', function(assert, textarea) {
textarea.selectionStart = 0;
textarea.selectionEnd = 12;
click('button.link');
andThen(() => {
assert.equal(this.$('input.link-text')[0].value, 'hello world.');
});
fillIn('.insert-link input.link-url', 'http://eviltrout.com');
click('.insert-link button.btn-primary');
andThen(() => {
assert.equal(this.$('.insert-link.hidden').length, 1);
assert.equal(this.get('value'), '[hello world.](http://eviltrout.com)');
});
});
testCase('link modal (link with description)', function(assert) {
click('button.link');
fillIn('.insert-link input.link-url', 'http://eviltrout.com');
fillIn('.insert-link input.link-text', 'evil trout');
click('.insert-link button.btn-primary');
andThen(() => {
assert.equal(this.$('.insert-link.hidden').length, 1);
assert.equal(this.get('value'), 'hello world.[evil trout](http://eviltrout.com)');
});
});
componentTest('advanced code', {
template: '{{d-editor value=value}}',
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beforeEach() {
this.siteSettings.code_formatting_style = '4-spaces-indent';
this.set('value',
`
function xyz(x, y, z) {
if (y === z) {
return true;
}
}
` );
},
test(assert) {
const textarea = this.$('textarea.d-editor-input')[0];
textarea.selectionStart = 0;
textarea.selectionEnd = textarea.value.length;
click('button.code');
andThen(() => {
assert.equal(this.get('value'),
`
function xyz(x, y, z) {
if (y === z) {
return true;
}
}
`
);
});
}
});
componentTest('code button', {
template: '{{d-editor value=value}}',
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beforeEach() {
this.siteSettings.code_formatting_style = '4-spaces-indent';
},
test(assert) {
const textarea = jumpEnd(this.$('textarea.d-editor-input')[0]);
click('button.code');
andThen(() => {
assert.equal(this.get('value'),
` ${I18n.t('composer.code_text')}`
);
this.set('value', "first line\n\nsecond line\n\nthird line");
textarea.selectionStart = 11;
textarea.selectionEnd = 11;
});
click('button.code');
andThen(() => {
assert.equal(this.get('value'),
`first line
${I18n.t('composer.code_text')}
second line
third line`
);
this.set('value', "first line\n\nsecond line\n\nthird line");
});
click('button.code');
andThen(() => {
assert.equal(this.get('value'),
`first line
second line
third line\`${I18n.t('composer.code_title')}\``
);
this.set('value', "first line\n\nsecond line\n\nthird line");
});
andThen(() => {
textarea.selectionStart = 5;
textarea.selectionEnd = 5;
});
click('button.code');
andThen(() => {
assert.equal(this.get('value'),
`first\`${I18n.t('composer.code_title')}\` line
second line
third line`
);
this.set('value', "first line\n\nsecond line\n\nthird line");
});
andThen(() => {
textarea.selectionStart = 6;
textarea.selectionEnd = 10;
});
click('button.code');
andThen(() => {
assert.equal(this.get('value'), "first `line`\n\nsecond line\n\nthird line");
assert.equal(textarea.selectionStart, 7);
assert.equal(textarea.selectionEnd, 11);
});
click('button.code');
andThen(() => {
assert.equal(this.get('value'), "first line\n\nsecond line\n\nthird line");
assert.equal(textarea.selectionStart, 6);
assert.equal(textarea.selectionEnd, 10);
textarea.selectionStart = 0;
textarea.selectionEnd = 23;
});
click('button.code');
andThen(() => {
assert.equal(this.get('value'), " first line\n\n second line\n\nthird line");
assert.equal(textarea.selectionStart, 0);
assert.equal(textarea.selectionEnd, 31);
});
click('button.code');
andThen(() => {
assert.equal(this.get('value'), "first line\n\nsecond line\n\nthird line");
assert.equal(textarea.selectionStart, 0);
assert.equal(textarea.selectionEnd, 23);
});
}
});
componentTest('code fences', {
template: '{{d-editor value=value}}',
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beforeEach() {
this.set('value', '');
},
test(assert) {
const textarea = jumpEnd(this.$('textarea.d-editor-input')[0]);
click('button.code');
andThen(() => {
assert.equal(this.get('value'),
`\`\`\`
${I18n.t("composer.paste_code_text")}
\`\`\``
);
assert.equal(textarea.selectionStart, 4);
assert.equal(textarea.selectionEnd, 27);
this.set('value', 'first line\nsecond line\nthird line');
textarea.selectionStart = 0;
textarea.selectionEnd = textarea.value.length;
});
click('button.code');
andThen(() => {
assert.equal(this.get('value'),
`\`\`\`
first line
second line
third line
\`\`\`
`
);
assert.equal(textarea.selectionStart, textarea.value.length);
assert.equal(textarea.selectionEnd, textarea.value.length);
this.set('value', 'first line\nsecond line\nthird line');
textarea.selectionStart = 0;
textarea.selectionEnd = 0;
});
click('button.code');
andThen(() => {
assert.equal(this.get('value'),
`\`${I18n.t('composer.code_title')}\`first line
second line
third line`
);
assert.equal(textarea.selectionStart, 1);
assert.equal(textarea.selectionEnd, I18n.t('composer.code_title').length + 1);
this.set('value', 'first line\nsecond line\nthird line');
textarea.selectionStart = 0;
textarea.selectionEnd = 10;
});
click('button.code');
andThen(() => {
assert.equal(this.get('value'),
`\`first line\`
second line
third line`
);
assert.equal(textarea.selectionStart, 1);
assert.equal(textarea.selectionEnd, 11);
this.set('value', 'first line\nsecond line\nthird line');
textarea.selectionStart = 0;
textarea.selectionEnd = 23;
});
click('button.code');
andThen(() => {
assert.equal(this.get('value'),
`\`\`\`
first line
second line
\`\`\`
third line`
);
assert.equal(textarea.selectionStart, 30);
assert.equal(textarea.selectionEnd, 30);
this.set('value', 'first line\nsecond line\nthird line');
textarea.selectionStart = 6;
textarea.selectionEnd = 17;
});
click('button.code');
andThen(() => {
assert.equal(this.get('value'), `first \n\`\`\`\nline\nsecond\n\`\`\`\n line\nthird line`);
assert.equal(textarea.selectionStart, 27);
assert.equal(textarea.selectionEnd, 27);
});
}
});
componentTest("quote button - empty lines", {
template: '{{d-editor value=value composerEvents=true}}',
beforeEach() {
this.set('value', "one\n\ntwo\n\nthree");
},
test(assert) {
const textarea = jumpEnd(this.$('textarea.d-editor-input')[0]);
andThen(() => {
textarea.selectionStart = 0;
});
click('button.quote');
andThen(() => {
assert.equal(this.get('value'), "> one\n> \n> two\n> \n> three");
assert.equal(textarea.selectionStart, 0);
assert.equal(textarea.selectionEnd, 25);
});
click('button.quote');
andThen(() => {
assert.equal(this.get('value'), "one\n\ntwo\n\nthree");
});
}
});
componentTest("quote button - selecting empty lines", {
template: '{{d-editor value=value composerEvents=true}}',
beforeEach() {
this.set('value', "one\n\n\n\ntwo");
},
test(assert) {
const textarea = jumpEnd(this.$('textarea.d-editor-input')[0]);
andThen(() => {
textarea.selectionStart = 6;
textarea.selectionEnd = 10;
});
click('button.quote');
andThen(() => {
assert.equal(this.get('value'), "one\n\n\n> \n> two");
});
}
});
testCase('quote button', function(assert, textarea) {
andThen(() => {
textarea.selectionStart = 6;
textarea.selectionEnd = 9;
});
click('button.quote');
andThen(() => {
assert.equal(this.get('value'), 'hello\n\n> wor\n\nld.');
assert.equal(textarea.selectionStart, 7);
assert.equal(textarea.selectionEnd, 12);
});
click('button.quote');
andThen(() => {
assert.equal(this.get('value'), 'hello\n\nwor\n\nld.');
assert.equal(textarea.selectionStart, 7);
assert.equal(textarea.selectionEnd, 10);
});
andThen(() => {
textarea.selectionStart = 15;
textarea.selectionEnd = 15;
});
click('button.quote');
andThen(() => {
assert.equal(this.get('value'), 'hello\n\nwor\n\nld.\n\n> Blockquote');
});
});
testCase(`bullet button with no selection`, function(assert, textarea) {
const example = I18n.t('composer.list_item');
click(`button.bullet`);
andThen(() => {
assert.equal(this.get('value'), `hello world.\n\n* ${example}`);
assert.equal(textarea.selectionStart, 14);
assert.equal(textarea.selectionEnd, 16 + example.length);
});
click(`button.bullet`);
andThen(() => {
assert.equal(this.get('value'), `hello world.\n\n${example}`);
});
});
testCase(`bullet button with a selection`, function(assert, textarea) {
textarea.selectionStart = 6;
textarea.selectionEnd = 11;
click(`button.bullet`);
andThen(() => {
assert.equal(this.get('value'), `hello\n\n* world\n\n.`);
assert.equal(textarea.selectionStart, 7);
assert.equal(textarea.selectionEnd, 14);
});
click(`button.bullet`);
andThen(() => {
assert.equal(this.get('value'), `hello\n\nworld\n\n.`);
assert.equal(textarea.selectionStart, 7);
assert.equal(textarea.selectionEnd, 12);
});
});
testCase(`bullet button with a multiple line selection`, function(assert, textarea) {
this.set('value', "* Hello\n\nWorld\n\nEvil");
andThen(() => {
textarea.selectionStart = 0;
textarea.selectionEnd = 20;
});
click(`button.bullet`);
andThen(() => {
assert.equal(this.get('value'), "Hello\n\nWorld\n\nEvil");
assert.equal(textarea.selectionStart, 0);
assert.equal(textarea.selectionEnd, 18);
});
click(`button.bullet`);
andThen(() => {
assert.equal(this.get('value'), "* Hello\n\n* World\n\n* Evil");
assert.equal(textarea.selectionStart, 0);
assert.equal(textarea.selectionEnd, 24);
});
});
testCase(`list button with no selection`, function(assert, textarea) {
const example = I18n.t('composer.list_item');
click(`button.list`);
andThen(() => {
assert.equal(this.get('value'), `hello world.\n\n1. ${example}`);
assert.equal(textarea.selectionStart, 14);
assert.equal(textarea.selectionEnd, 17 + example.length);
});
click(`button.list`);
andThen(() => {
assert.equal(this.get('value'), `hello world.\n\n${example}`);
assert.equal(textarea.selectionStart, 14);
assert.equal(textarea.selectionEnd, 14 + example.length);
});
});
testCase(`list button with a selection`, function(assert, textarea) {
textarea.selectionStart = 6;
textarea.selectionEnd = 11;
click(`button.list`);
andThen(() => {
assert.equal(this.get('value'), `hello\n\n1. world\n\n.`);
assert.equal(textarea.selectionStart, 7);
assert.equal(textarea.selectionEnd, 15);
});
click(`button.list`);
andThen(() => {
assert.equal(this.get('value'), `hello\n\nworld\n\n.`);
assert.equal(textarea.selectionStart, 7);
assert.equal(textarea.selectionEnd, 12);
});
});
testCase(`list button with line sequence`, function(assert, textarea) {
this.set('value', "Hello\n\nWorld\n\nEvil");
andThen(() => {
textarea.selectionStart = 0;
textarea.selectionEnd = 18;
});
click(`button.list`);
andThen(() => {
assert.equal(this.get('value'), "1. Hello\n\n2. World\n\n3. Evil");
assert.equal(textarea.selectionStart, 0);
assert.equal(textarea.selectionEnd, 27);
});
click(`button.list`);
andThen(() => {
assert.equal(this.get('value'), "Hello\n\nWorld\n\nEvil");
assert.equal(textarea.selectionStart, 0);
assert.equal(textarea.selectionEnd, 18);
});
});
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componentTest('clicking the toggle-direction button toggles the direction', {
template: '{{d-editor value=value}}',
beforeEach() {
this.siteSettings.support_mixed_text_direction = true;
this.siteSettings.default_locale = "en";
},
test(assert) {
const textarea = this.$('textarea.d-editor-input');
click('button.toggle-direction');
andThen(() => {
assert.equal(textarea.attr('dir'), 'rtl');
});
click('button.toggle-direction');
andThen(() => {
assert.equal(textarea.attr('dir'), 'ltr');
});
}
});
testCase(`doesn't jump to bottom with long text`, function(assert, textarea) {
let longText = 'hello world.';
for (let i=0; i<8; i++) {
longText = longText + longText;
}
this.set('value', longText);
andThen(() => {
$(textarea).scrollTop(0);
textarea.selectionStart = 3;
textarea.selectionEnd = 3;
});
click('button.bold');
andThen(() => {
assert.equal($(textarea).scrollTop(), 0, 'it stays scrolled up');
});
});
componentTest('emoji', {
template: '{{d-editor value=value}}',
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beforeEach() {
// Test adding a custom button
withPluginApi('0.1', api => {
api.onToolbarCreate(toolbar => {
toolbar.addButton({
id: 'emoji',
group: 'extras',
icon: 'smile-o',
action: 'emoji'
});
});
});
this.set('value', 'hello world.');
},
test(assert) {
jumpEnd(this.$('textarea.d-editor-input')[0]);
click('button.emoji');
click('.emoji-picker .section[data-section="people"] button.emoji[title="grinning"]');
andThen(() => {
assert.equal(this.get('value'), 'hello world.:grinning:');
});
}
});
testCase("replace-text event by default", function(assert) {
this.set('value', "red green blue");
andThen(() => {
this.container.lookup('app-events:main').trigger('composer:replace-text', 'green', 'yellow');
});
andThen(() => {
assert.equal(this.get('value'), 'red green blue');
});
});
composerTestCase("replace-text event for composer", function(assert) {
this.set('value', "red green blue");
andThen(() => {
this.container.lookup('app-events:main').trigger('composer:replace-text', 'green', 'yellow');
});
andThen(() => {
assert.equal(this.get('value'), 'red yellow blue');
});
});
(() => {
// Tests to check cursor/selection after replace-text event.
const BEFORE = 'red green blue';
const NEEDLE = 'green';
const REPLACE = 'yellow';
const AFTER = BEFORE.replace(NEEDLE, REPLACE);
const CASES = [
{
description: 'cursor at start remains there',
before: [0, 0],
after: [0, 0]
},{
description: 'cursor before needle becomes cursor before replacement',
before: [BEFORE.indexOf(NEEDLE), 0],
after: [AFTER.indexOf(REPLACE), 0]
},{
description: 'cursor at needle start + 1 moves behind replacement',
before: [BEFORE.indexOf(NEEDLE) + 1, 0],
after: [AFTER.indexOf(REPLACE) + REPLACE.length, 0]
},{
description: 'cursor at needle end - 1 stays behind replacement',
before: [BEFORE.indexOf(NEEDLE) + NEEDLE.length - 1, 0],
after: [AFTER.indexOf(REPLACE) + REPLACE.length, 0]
},{
description: 'cursor behind needle becomes cursor behind replacement',
before: [BEFORE.indexOf(NEEDLE) + NEEDLE.length, 0],
after: [AFTER.indexOf(REPLACE) + REPLACE.length, 0]
},{
description: 'cursor at end remains there',
before: [BEFORE.length, 0],
after: [AFTER.length, 0]
},{
description: 'selection spanning needle start becomes selection until replacement start',
before: [BEFORE.indexOf(NEEDLE) - 1, 2],
after: [AFTER.indexOf(REPLACE) - 1, 1]
},{
description: 'selection spanning needle end becomes selection from replacement end',
before: [BEFORE.indexOf(NEEDLE) + NEEDLE.length - 1, 2],
after: [AFTER.indexOf(REPLACE) + REPLACE.length, 1]
},{
description: 'selection spanning needle becomes selection spanning replacement',
before: [BEFORE.indexOf(NEEDLE) - 1, NEEDLE.length + 2],
after: [AFTER.indexOf(REPLACE) - 1, REPLACE.length + 2]
},{
description: 'complete selection remains complete',
before: [0, BEFORE.length],
after: [0, AFTER.length]
}
];
function setSelection(textarea, [start, len]) {
textarea.selectionStart = start;
textarea.selectionEnd = start + len;
}
function getSelection(textarea) {
const start = textarea.selectionStart;
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const end = textarea.selectionEnd;
return [start, end - start];
}
function formatTextWithSelection(text, [start, len]) {
return [
'"',
text.substr(0, start),
'<',
text.substr(start, len),
'>',
text.substr(start+len),
'"',
].join('');
}
for (let i = 0; i < CASES.length; i++) {
const CASE = CASES[i];
composerTestCase(`replace-text event: ${CASE.description}`, function(assert, textarea) {
this.set('value', BEFORE);
setSelection(textarea, CASE.before);
andThen(() => {
this.container.lookup('app-events:main').trigger('composer:replace-text', 'green', 'yellow');
});
andThen(() => {
let expect = formatTextWithSelection(AFTER, CASE.after);
let actual = formatTextWithSelection(this.get('value'), getSelection(textarea));
assert.equal(actual, expect);
});
});
}
})();