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[ReactNative] Pick correct assets depending on device scale

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This commit is contained in:
Alex Kotliarskyi
2015-04-22 16:31:13 -07:00
parent b2e8dc9834
commit ffb3026419
2 changed files with 52 additions and 2 deletions
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30
Libraries/Image/__tests__/resolveAssetSource-test.js
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@@ -56,6 +56,25 @@ describe('resolveAssetSource', () => {
});
});
it('picks matching scale', () => {
expectResolvesAsset({
__packager_asset: true,
fileSystemLocation: '/root/app/module/a',
httpServerLocation: '/assets/module/a',
width: 100,
height: 200,
scales: [1, 2, 3],
hash: '5b6f00f',
name: 'logo',
type: 'png',
}, {
isStatic: false,
width: 100,
height: 200,
uri: 'http://10.0.0.1:8081/assets/module/a/logo@2x.png?hash=5b6f00f',
});
});
it('does not change deprecated assets', () => {
expectResolvesAsset({
__packager_asset: true,
@@ -103,3 +122,14 @@ describe('resolveAssetSource', () => {
});
});
describe('resolveAssetSource.pickScale', () => {
it('picks matching scale', () => {
expect(resolveAssetSource.pickScale([1], 2)).toBe(1);
expect(resolveAssetSource.pickScale([1, 2, 3], 2)).toBe(2);
expect(resolveAssetSource.pickScale([1, 2], 3)).toBe(2);
expect(resolveAssetSource.pickScale([1, 2, 3, 4], 3.5)).toBe(4);
expect(resolveAssetSource.pickScale([3, 4], 2)).toBe(3);
expect(resolveAssetSource.pickScale([], 2)).toBe(1);
});
});