jasmine parameter test using generics based on JP Castro's Jasmine Data Provider http:https://blog.jphpsf.com/2012/08/30/drying-up-your-javascript-jasmine-tests/
npm install jasmine-data-provider-ts
import {TestCase} from 'jasmine-data-provider-ts'
describe('parameterised test', () => {
TestCase<string>(['Almada', 'Lisboa', 'Cascais'], (value)=>{
it(`should not be null: '${value}'`, () => {
expect(value).not.toBeNull();
});
})
});
> jasmine
Randomized with seed 94217
Started
TAP version 13
.ok 1 - parameterised test using an Array<T> as source : should not be null: 'Cascais'
.ok 2 - parameterised test using an Array<T> as source : should not be null: 'Lisboa'
.ok 3 - parameterised test using an Array<T> as source : should not be null: 'Almada'
3 specs, 0 failures
Finished in 0.016 seconds
Randomized with seed 94217 (jasmine --random=true --seed=94217)
1..3
# 3 specs, 0 failures, 0 skipped, 0 disabled in 0.017s.
# NOTE: disabled specs are usually a result of xdescribe.
import { TestSource } from "../lib/jasmine-data-provider";
describe("parameterised test using a function as source", function() {
function provider() {
return [
{ a: 2, b: 3, expected: 5 },
{ a: "14", b: 15, expected: "1415" },
{ a: 12, b: "13", expected: "1213" },
{ a: "22", b: "13", expected: "2213" }
];
}
TestSource<any>(provider, function(data) {
it("should return value using operator +", function() {
var result = data.a + data.b;
expect(result).toEqual(data.expected);
});
});
});
> jasmine
Randomized with seed 10614
Started
TAP version 13
.ok 1 - parameterised test using a function as source : should return value using operator +
.ok 2 - parameterised test using a function as source : should return value using operator +
.ok 3 - parameterised test using a function as source : should return value using operator +
.ok 4 - parameterised test using a function as source : should return value using operator +
4 specs, 0 failures
Finished in 0.014 seconds
Randomized with seed 10614 (jasmine --random=true --seed=10614)
1..4
# 4 specs, 0 failures, 0 skipped, 0 disabled in 0.015s.
# NOTE: disabled specs are usually a result of xdescribe.