@ngx-i18nsupport/ngx-i18nsupport-lib
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A Typescript library to work with Angular generated i18n files (xliff, xmb)
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text/typescript
import {XliffMessageParser} from './xliff-message-parser';
import {ParsedMessage} from './parsed-message';
import {DOMParser} from 'xmldom';
import {INormalizedMessage} from '../api/index';
/**
* Created by martin on 17.05.2017.
* Testcases for parsing normalized messages to XLIFF 1.2 and vive versa.
*/
describe('message parse XLIFF 1.2 test spec', () => {
/**
* Helperfunction to create a parsed message from normalized string.
* @param normalizedString normalizedString
* @param sourceMessage sourceMessage
* @return ParsedMessage
*/
function parsedMessageFor(normalizedString: string, sourceMessage?: ParsedMessage): ParsedMessage {
const parser = new XliffMessageParser();
return parser.parseNormalizedString(normalizedString, sourceMessage);
}
/**
* Helperfunction to create a parsed message from native xml.
* @param xmlContent xmlContent
* @param sourceMessage sourceMessage
* @return ParsedMessage
*/
function parsedMessageFromXML(xmlContent: string, sourceMessage?: ParsedMessage): ParsedMessage {
const parser = new XliffMessageParser();
return parser.createNormalizedMessageFromXMLString(xmlContent, sourceMessage);
}
/**
* create normalized message from string, then create one from generated xml.
* Check that it is the same.
* @param normalizedMessage normalizedMessage
*/
function checkToXmlAndBack(normalizedMessage: string) {
const xml = parsedMessageFor(normalizedMessage).asNativeString();
expect(parsedMessageFromXML('<source>' + xml + '</source>').asDisplayString()).toBe(normalizedMessage);
}
describe('normalized message to xml', () => {
it('should parse plain text', () => {
const normalizedMessage = 'a text without anything special';
const parsedMessage = parsedMessageFor(normalizedMessage);
expect(parsedMessage.asDisplayString()).toBe(normalizedMessage);
expect(parsedMessage.asNativeString()).toBe(normalizedMessage);
});
it('should parse text with placeholder', () => {
const normalizedMessage = 'a placeholder: {{0}}';
const parsedMessage = parsedMessageFor(normalizedMessage);
expect(parsedMessage.asDisplayString()).toBe(normalizedMessage);
expect(parsedMessage.asNativeString()).toBe('a placeholder: <x id="INTERPOLATION"/>');
checkToXmlAndBack(normalizedMessage);
});
it('should parse text with 2 placeholders', () => {
const normalizedMessage = '{{1}}: a placeholder: {{0}}';
const parsedMessage = parsedMessageFor(normalizedMessage);
expect(parsedMessage.asDisplayString()).toBe(normalizedMessage);
expect(parsedMessage.asNativeString()).toBe('<x id="INTERPOLATION_1"/>: a placeholder: <x id="INTERPOLATION"/>');
checkToXmlAndBack(normalizedMessage);
});
it('should parse simple bold tag', () => {
const normalizedMessage = 'a text <b>with</b> a bold text';
const parsedMessage = parsedMessageFor(normalizedMessage);
expect(parsedMessage.asDisplayString()).toBe(normalizedMessage);
expect(parsedMessage.asNativeString())
.toBe('a text <x id="START_BOLD_TEXT" ctype="x-b" equiv-text="<b>"/>' +
'with<x id="CLOSE_BOLD_TEXT" ctype="x-b"/> a bold text');
checkToXmlAndBack(normalizedMessage);
});
it('should parse simple italic tag', () => {
const normalizedMessage = 'a text <i>with</i> emphasis';
const parsedMessage = parsedMessageFor(normalizedMessage);
expect(parsedMessage.asDisplayString()).toBe(normalizedMessage);
expect(parsedMessage.asNativeString())
.toBe('a text <x id="START_ITALIC_TEXT" ctype="x-i" equiv-text="<i>"/>' +
'with<x id="CLOSE_ITALIC_TEXT" ctype="x-i"/> emphasis');
checkToXmlAndBack(normalizedMessage);
});
it('should parse unknown tag', () => {
const normalizedMessage = 'a text with <strange>strange emphasis</strange>';
const parsedMessage = parsedMessageFor(normalizedMessage);
expect(parsedMessage.asDisplayString()).toBe(normalizedMessage);
expect(parsedMessage.asNativeString())
.toBe('a text with <x id="START_TAG_STRANGE" ctype="x-strange" equiv-text="<strange>"/>' +
'strange emphasis<x id="CLOSE_TAG_STRANGE" ctype="x-strange"/>');
checkToXmlAndBack(normalizedMessage);
});
it('should parse embedded tags with placeholder inside', () => {
const normalizedMessage = '<b><i><strange>Placeholder {{0}}</strange></i></b>';
const parsedMessage = parsedMessageFor(normalizedMessage);
expect(parsedMessage.asDisplayString()).toBe(normalizedMessage);
expect(parsedMessage.asNativeString())
.toBe('<x id="START_BOLD_TEXT" ctype="x-b" equiv-text="<b>"/><x id="START_ITALIC_TEXT"' +
' ctype="x-i" equiv-text="<i>"/><x id="START_TAG_STRANGE" ctype="x-strange" equiv-text="<strange>"/>' +
'Placeholder <x id="INTERPOLATION"/><x id="CLOSE_TAG_STRANGE" ctype="x-strange"/><x id="CLOSE_ITALIC_TEXT"' +
' ctype="x-i"/><x id="CLOSE_BOLD_TEXT" ctype="x-b"/>');
checkToXmlAndBack(normalizedMessage);
});
it('should parse empty tag like <br>', () => {
const normalizedMessage = 'one line<br>second line';
const parsedMessage = parsedMessageFor(normalizedMessage);
expect(parsedMessage.asDisplayString()).toBe(normalizedMessage);
expect(parsedMessage.asNativeString()).toBe('one line<x id="LINE_BREAK" ctype="lb" equiv-text="<br/>"/>second line');
checkToXmlAndBack(normalizedMessage);
});
it('should parse ICU Refs', () => {
const normalizedMessage = 'a text with <ICU-Message-Ref_0/>';
const parsedMessage = parsedMessageFor(normalizedMessage);
expect(parsedMessage.asDisplayString()).toBe(normalizedMessage);
expect(parsedMessage.asNativeString()).toBe('a text with <x id="ICU"/>');
checkToXmlAndBack(normalizedMessage);
});
});
describe('xml to normalized message', () => {
it('should parse simple text content', () => {
const parsedMessage = parsedMessageFromXML('a simple content');
expect(parsedMessage.asDisplayString()).toBe('a simple content');
});
it('should parse strange tag with placeholder content', () => {
const parsedMessage = parsedMessageFromXML('Diese Nachricht ist <x id="START_TAG_STRANGE" ctype="x-strange"/>' +
'<x id="INTERPOLATION"/><x id="CLOSE_TAG_STRANGE" ctype="x-strange"/>');
expect(parsedMessage.asDisplayString()).toBe('Diese Nachricht ist <strange>{{0}}</strange>');
});
it('should parse embedded tags', () => {
const parsedMessage = parsedMessageFromXML('Diese Nachricht ist <x id="START_BOLD_TEXT" ctype="x-b"/>' +
'<x id="START_TAG_STRANGE" ctype="x-strange"/>SEHR WICHTIG<x id="CLOSE_TAG_STRANGE"' +
' ctype="x-strange"/><x id="CLOSE_BOLD_TEXT" ctype="x-b"/>');
expect(parsedMessage.asDisplayString()).toBe('Diese Nachricht ist <b><strange>SEHR WICHTIG</strange></b>');
});
it('should parse complex message with embedded placeholder', () => {
const parsedMessage = parsedMessageFromXML('<x id="START_LINK" ctype="x-a"/>link1 with placeholder ' +
'<x id="INTERPOLATION"/><x id="CLOSE_LINK" ctype="x-a"/>');
expect(parsedMessage.asDisplayString()).toBe('<a>link1 with placeholder {{0}}</a>');
});
it('should throw an error due to not well formed elements <b><strange></b>', () => {
try {
const parsedMessage = parsedMessageFromXML('Diese Nachricht ist falsch geschachtelt: ' +
'<x id="START_BOLD_TEXT" ctype="x-b"/><x id="START_TAG_STRANGE" ctype="x-strange"/>' +
'FALSCH<x id="CLOSE_BOLD_TEXT" ctype="x-b"/><x id="CLOSE_TAG_STRANGE" ctype="x-strange"/>');
expect(parsedMessage.toString()).toBe('should throw an error');
} catch (e) {
expect(e.message).toContain('unexpected close tag b');
}
});
it('should parse message with embedded ICU message reference', () => {
const parsedMessage = parsedMessageFromXML('first: <x id="ICU"/>');
expect(parsedMessage.asDisplayString()).toBe('first: <ICU-Message-Ref_0/>');
});
it('should parse message with 2 embedded ICU message reference', () => {
const parsedMessage = parsedMessageFromXML('first: <x id="ICU"/>, second <x id="ICU_1"/>');
expect(parsedMessage.asDisplayString()).toBe('first: <ICU-Message-Ref_0/>, second <ICU-Message-Ref_1/>');
});
it('should set correct placeholer index (issue #84 ngx-i18nsupport) ', () => {
const messageWith2Indexes = 'New <x id="START_TAG_XY" ctype="x-xy" equiv-text="<xy>"/>' +
'<x id="CLOSE_TAG_XY" ctype="x-xy" equiv-text="</xy>"/> was reported by <x id="START_TAG_XY_1" ctype="x-xy"' +
' equiv-text="<xy>"/><x id="CLOSE_TAG_XY" ctype="x-xy" equiv-text="</xy>"/>';
const parsedMessage = parsedMessageFromXML(messageWith2Indexes);
const normalizedMessageString = parsedMessage.asDisplayString();
expect(normalizedMessageString).toBe('New <xy></xy> was reported by <xy id="1"></xy>');
const translatedMessage: INormalizedMessage = parsedMessage.translate('New <xy></xy> was reported by <xy id="1"></xy>');
expect(translatedMessage.asNativeString()).toBe('New <x id="START_TAG_XY" ctype="x-xy" equiv-text="<xy>"/>' +
'<x id="CLOSE_TAG_XY" ctype="x-xy"/> was reported by <x id="START_TAG_XY_1" ctype="x-xy"' +
' equiv-text="<xy>"/><x id="CLOSE_TAG_XY" ctype="x-xy"/>');
});
it('should parse simple plural ICU message', () => {
const parsedMessage =
parsedMessageFromXML('{VAR_PLURAL, plural, =0 {just now} =1 {one minute ago} other {a few minutes ago} }');
expect(parsedMessage.asDisplayString()).toBe('<ICU-Message/>');
expect(parsedMessage.getICUMessage()).toBeTruthy();
const icuMessage = parsedMessage.getICUMessage();
expect(icuMessage.getCategories().length).toBe(3);
});
it('should parse plural ICU message with placeholder', () => {
const parsedMessage = parsedMessageFromXML('{VAR_PLURAL, plural, =0 {just now} =1 {one minute ago}' +
' other {<x id="INTERPOLATION" equiv-text="{{minutes}}"/> minutes ago} }');
expect(parsedMessage.asDisplayString()).toBe('<ICU-Message/>');
expect(parsedMessage.getICUMessage()).toBeTruthy();
const icuMessage = parsedMessage.getICUMessage();
expect(icuMessage.getCategories().length).toBe(3);
expect(icuMessage.getCategories()[2].getMessageNormalized().asDisplayString()).toBe('{{0}} minutes ago');
});
});
});