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import { FilterPipe } from './filter.pipe';
describe('FilterPipe', () => {
const pipe = new FilterPipe();
it('create an instance', () => {
expect(pipe).toBeTruthy();
});
it('filter words with "foo"', () => {
const value = ['foo', 'bar', 'foobar'];
const filters = [
{
value: 'foo',
applyFilter: (row: any[], val: any) => {
return row.indexOf(val) !== -1;
}
}
];
expect(pipe.transform(value, filters)).toEqual(['foo', 'foobar']);
});
it('filter words with "foo" and "bar"', () => {
const value = ['foo', 'bar', 'foobar'];
const filters = [
{
value: 'foo',
applyFilter: (row: any[], val: any) => {
return row.indexOf(val) !== -1;
}
},
{
value: 'bar',
applyFilter: (row: any[], val: any) => {
return row.indexOf(val) !== -1;
}
}
];
expect(pipe.transform(value, filters)).toEqual(['foobar']);
});
it('filter with no value', () => {
const value = ['foo', 'bar', 'foobar'];
const filters = [
{
value: '',
applyFilter: () => {
return false;
}
}
];
expect(pipe.transform(value, filters)).toEqual(['foo', 'bar', 'foobar']);
});
});
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