60 lines
1.8 KiB
TypeScript
60 lines
1.8 KiB
TypeScript
import {
|
|
ddescribe,
|
|
describe,
|
|
it,
|
|
iit,
|
|
xit,
|
|
expect,
|
|
beforeEach,
|
|
afterEach
|
|
} from '@angular/core/testing/testing_internal';
|
|
|
|
import {I18nPluralPipe} from '@angular/common';
|
|
import {PipeResolver} from '@angular/compiler/src/pipe_resolver';
|
|
|
|
export function main() {
|
|
describe("I18nPluralPipe", () => {
|
|
var pipe;
|
|
var mapping = {'=0': 'No messages.', '=1': 'One message.', 'other': 'There are some messages.'};
|
|
var interpolatedMapping =
|
|
{'=0': 'No messages.', '=1': 'One message.', 'other': 'There are # messages, that is #.'};
|
|
|
|
beforeEach(() => { pipe = new I18nPluralPipe(); });
|
|
|
|
it('should be marked as pure',
|
|
() => { expect(new PipeResolver().resolve(I18nPluralPipe).pure).toEqual(true); });
|
|
|
|
describe("transform", () => {
|
|
it("should return 0 text if value is 0", () => {
|
|
var val = pipe.transform(0, mapping);
|
|
expect(val).toEqual('No messages.');
|
|
});
|
|
|
|
it("should return 1 text if value is 1", () => {
|
|
var val = pipe.transform(1, mapping);
|
|
expect(val).toEqual('One message.');
|
|
});
|
|
|
|
it("should return other text if value is anything other than 0 or 1", () => {
|
|
var val = pipe.transform(6, mapping);
|
|
expect(val).toEqual('There are some messages.');
|
|
});
|
|
|
|
it("should interpolate the value into the text where indicated", () => {
|
|
var val = pipe.transform(6, interpolatedMapping);
|
|
expect(val).toEqual('There are 6 messages, that is 6.');
|
|
});
|
|
|
|
it("should use 'other' if value is undefined", () => {
|
|
var messageLength;
|
|
var val = pipe.transform(messageLength, interpolatedMapping);
|
|
expect(val).toEqual('There are messages, that is .');
|
|
});
|
|
|
|
it("should not support bad arguments",
|
|
() => { expect(() => pipe.transform(0, 'hey')).toThrowError(); });
|
|
});
|
|
|
|
});
|
|
}
|