|
| 1 | +import { |
| 2 | + forDarkThemes, |
| 3 | + forLightThemes, |
| 4 | + getExternalImageStylesFromUrl, |
| 5 | + parseImageParameters, |
| 6 | +} from "./externalImages"; |
| 7 | + |
| 8 | +describe("externalImage parameters", () => { |
| 9 | + test("default parameters", () => { |
| 10 | + // Correctly selects default |
| 11 | + const widgetsStyles = getExternalImageStylesFromUrl( |
| 12 | + forDarkThemes, |
| 13 | + "/icon/widgets.svg", |
| 14 | + ); |
| 15 | + expect(widgetsStyles).toBe(forDarkThemes.monochrome); |
| 16 | + |
| 17 | + // Allows overrides |
| 18 | + const overrideStyles = getExternalImageStylesFromUrl( |
| 19 | + forDarkThemes, |
| 20 | + "/icon/widgets.svg?fullcolor", |
| 21 | + ); |
| 22 | + expect(overrideStyles).toBe(forDarkThemes.fullcolor); |
| 23 | + |
| 24 | + // Not actually a built-in |
| 25 | + const someoneElsesWidgetsStyles = getExternalImageStylesFromUrl( |
| 26 | + forDarkThemes, |
| 27 | + "https://example.com/icon/widgets.svg", |
| 28 | + ); |
| 29 | + expect(someoneElsesWidgetsStyles).toBeUndefined(); |
| 30 | + }); |
| 31 | + |
| 32 | + test("blackWithColor brightness", () => { |
| 33 | + const tryCase = (params: string) => |
| 34 | + parseImageParameters(forDarkThemes, params); |
| 35 | + |
| 36 | + const withDecimalValue = tryCase("?blackWithColor&brightness=1.5"); |
| 37 | + expect(withDecimalValue?.filter).toBe( |
| 38 | + "invert(1) hue-rotate(180deg) brightness(1.5)", |
| 39 | + ); |
| 40 | + |
| 41 | + const withPercentageValue = tryCase("?blackWithColor&brightness=150%"); |
| 42 | + expect(withPercentageValue?.filter).toBe( |
| 43 | + "invert(1) hue-rotate(180deg) brightness(150%)", |
| 44 | + ); |
| 45 | + |
| 46 | + // Sketchy `brightness` value will be ignored. |
| 47 | + const niceTry = tryCase( |
| 48 | + "?blackWithColor&brightness=</style><script>alert('leet hacking');</script>", |
| 49 | + ); |
| 50 | + expect(niceTry?.filter).toBe("invert(1) hue-rotate(180deg)"); |
| 51 | + |
| 52 | + const withLightTheme = parseImageParameters( |
| 53 | + forLightThemes, |
| 54 | + "?blackWithColor&brightness=1.5", |
| 55 | + ); |
| 56 | + expect(withLightTheme).toBeUndefined(); |
| 57 | + }); |
| 58 | + |
| 59 | + test("whiteWithColor brightness", () => { |
| 60 | + const tryCase = (params: string) => |
| 61 | + parseImageParameters(forLightThemes, params); |
| 62 | + |
| 63 | + const withDecimalValue = tryCase("?whiteWithColor&brightness=1.5"); |
| 64 | + expect(withDecimalValue?.filter).toBe( |
| 65 | + "invert(1) hue-rotate(180deg) brightness(1.5)", |
| 66 | + ); |
| 67 | + |
| 68 | + const withPercentageValue = tryCase("?whiteWithColor&brightness=150%"); |
| 69 | + expect(withPercentageValue?.filter).toBe( |
| 70 | + "invert(1) hue-rotate(180deg) brightness(150%)", |
| 71 | + ); |
| 72 | + |
| 73 | + // Sketchy `brightness` value will be ignored. |
| 74 | + const niceTry = tryCase( |
| 75 | + "?whiteWithColor&brightness=</style><script>alert('leet hacking');</script>", |
| 76 | + ); |
| 77 | + expect(niceTry?.filter).toBe("invert(1) hue-rotate(180deg)"); |
| 78 | + |
| 79 | + const withDarkTheme = parseImageParameters( |
| 80 | + forDarkThemes, |
| 81 | + "?whiteWithColor&brightness=1.5", |
| 82 | + ); |
| 83 | + expect(withDarkTheme).toBeUndefined(); |
| 84 | + }); |
| 85 | +}); |
0 commit comments