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|
import t from 'tap';
import '#import-heck';
import Thing from '#thing';
import {compositeFrom, input} from '#composite';
import {exposeConstant, exposeDependency} from '#composite/control-flow';
import {withAlbum} from '#composite/things/track';
t.test(`withAlbum: basic behavior`, t => {
t.plan(3);
const composite = compositeFrom({
compose: false,
steps: [
withAlbum(),
exposeDependency({dependency: '#album'}),
],
});
t.match(composite, {
expose: {
dependencies: ['albumData', 'this'],
},
});
const fakeTrack1 = {
[Thing.isThing]: true,
directory: 'foo',
};
const fakeTrack2 = {
[Thing.isThing]: true,
directory: 'bar',
};
const fakeAlbum = {
[Thing.isThing]: true,
directory: 'baz',
tracks: [fakeTrack1],
};
t.equal(
composite.expose.compute({
albumData: [fakeAlbum],
this: fakeTrack1,
}),
fakeAlbum);
t.equal(
composite.expose.compute({
albumData: [fakeAlbum],
this: fakeTrack2,
}),
null);
});
t.test(`withAlbum: early exit conditions`, t => {
t.plan(4);
const composite = compositeFrom({
compose: false,
steps: [
withAlbum(),
exposeConstant({
value: input.value('bimbam'),
}),
],
});
const fakeTrack1 = {
[Thing.isThing]: true,
directory: 'foo',
};
const fakeTrack2 = {
[Thing.isThing]: true,
directory: 'bar',
};
const fakeAlbum = {
[Thing.isThing]: true,
directory: 'baz',
tracks: [fakeTrack1],
};
t.equal(
composite.expose.compute({
albumData: [fakeAlbum],
this: fakeTrack1,
}),
'bimbam',
`does not early exit if albumData is present and contains the track`);
t.equal(
composite.expose.compute({
albumData: [fakeAlbum],
this: fakeTrack2,
}),
'bimbam',
`does not early exit if albumData is present and does not contain the track`);
t.equal(
composite.expose.compute({
albumData: [],
this: fakeTrack1,
}),
'bimbam',
`does not early exit if albumData is empty array`);
t.equal(
composite.expose.compute({
albumData: null,
this: fakeTrack1,
}),
null,
`early exits if albumData is null`);
});
|
