contain.test.js•5.08 kB
import { Jimp, mkJGD, hasOwnProp } from "@jimp/test-utils";
import configure from "@jimp/custom";
import blit from "@jimp/plugin-blit";
import resize from "@jimp/plugin-resize";
import scale from "@jimp/plugin-scale";
import contain from "../src";
import { expectToBeJGD } from "@jimp/test-utils/src";
const jimp = configure({ plugins: [scale, resize, blit, contain] }, Jimp);
describe("All align combinations for contain", () => {
const verticalJGD = mkJGD(
"▴▴▴▴▸▸▸▸",
"▴▴▴▴▸▸▸▸",
"▴▴▴▴▸▸▸▸",
"▴▴▴▴▸▸▸▸",
"▴▴▴▴▸▸▸▸",
"▴▴▴▴▸▸▸▸",
"▾▾▾▾◆◆◆◆",
"▾▾▾▾◆◆◆◆",
"▾▾▾▾◆◆◆◆",
"▾▾▾▾◆◆◆◆",
"▾▾▾▾◆◆◆◆",
"▾▾▾▾◆◆◆◆"
);
const horizontalJGD = mkJGD(
"▴▴▴▴▴▴▸▸▸▸▸▸",
"▴▴▴▴▴▴▸▸▸▸▸▸",
"▴▴▴▴▴▴▸▸▸▸▸▸",
"▴▴▴▴▴▴▸▸▸▸▸▸",
"▾▾▾▾▾▾◆◆◆◆◆◆",
"▾▾▾▾▾▾◆◆◆◆◆◆",
"▾▾▾▾▾▾◆◆◆◆◆◆",
"▾▾▾▾▾▾◆◆◆◆◆◆"
);
let vertical;
let horizontal; // stores the Jimp instances of the JGD images above.
before((done) => {
const img1 = jimp.read(verticalJGD);
const img2 = jimp.read(horizontalJGD);
Promise.all([img1, img2])
.then((images) => {
vertical = images[0];
horizontal = images[1];
done();
})
.catch(done);
});
const tests = {}; // Stores the expected result for each alignment combination.
tests["LEFT TOP"] = {
contain: {
verti: mkJGD("▴▴▸▸ ", "▴▴▸▸ ", "▴▴▸▸ ", "▾▾◆◆ ", "▾▾◆◆ ", "▾▾◆◆ "),
horiz: mkJGD("▴▴▴▸▸▸", "▴▴▴▸▸▸", "▾▾▾◆◆◆", "▾▾▾◆◆◆", " ", " "),
},
};
tests["CENTER TOP"] = {
contain: {
verti: mkJGD(" ▴▴▸▸ ", " ▴▴▸▸ ", " ▴▴▸▸ ", " ▾▾◆◆ ", " ▾▾◆◆ ", " ▾▾◆◆ "),
horiz: mkJGD("▴▴▴▸▸▸", "▴▴▴▸▸▸", "▾▾▾◆◆◆", "▾▾▾◆◆◆", " ", " "),
},
};
tests["RIGHT TOP"] = {
contain: {
verti: mkJGD(" ▴▴▸▸", " ▴▴▸▸", " ▴▴▸▸", " ▾▾◆◆", " ▾▾◆◆", " ▾▾◆◆"),
horiz: mkJGD("▴▴▴▸▸▸", "▴▴▴▸▸▸", "▾▾▾◆◆◆", "▾▾▾◆◆◆", " ", " "),
},
};
tests["LEFT MIDDLE"] = {
contain: {
verti: mkJGD("▴▴▸▸ ", "▴▴▸▸ ", "▴▴▸▸ ", "▾▾◆◆ ", "▾▾◆◆ ", "▾▾◆◆ "),
horiz: mkJGD(" ", "▴▴▴▸▸▸", "▴▴▴▸▸▸", "▾▾▾◆◆◆", "▾▾▾◆◆◆", " "),
},
};
tests["CENTER MIDDLE"] = {
contain: {
verti: mkJGD(" ▴▴▸▸ ", " ▴▴▸▸ ", " ▴▴▸▸ ", " ▾▾◆◆ ", " ▾▾◆◆ ", " ▾▾◆◆ "),
horiz: mkJGD(" ", "▴▴▴▸▸▸", "▴▴▴▸▸▸", "▾▾▾◆◆◆", "▾▾▾◆◆◆", " "),
},
};
tests["RIGHT MIDDLE"] = {
contain: {
verti: mkJGD(" ▴▴▸▸", " ▴▴▸▸", " ▴▴▸▸", " ▾▾◆◆", " ▾▾◆◆", " ▾▾◆◆"),
horiz: mkJGD(" ", "▴▴▴▸▸▸", "▴▴▴▸▸▸", "▾▾▾◆◆◆", "▾▾▾◆◆◆", " "),
},
};
tests["LEFT BOTTOM"] = {
contain: {
verti: mkJGD("▴▴▸▸ ", "▴▴▸▸ ", "▴▴▸▸ ", "▾▾◆◆ ", "▾▾◆◆ ", "▾▾◆◆ "),
horiz: mkJGD(" ", " ", "▴▴▴▸▸▸", "▴▴▴▸▸▸", "▾▾▾◆◆◆", "▾▾▾◆◆◆"),
},
};
tests["CENTER BOTTOM"] = {
contain: {
verti: mkJGD(" ▴▴▸▸ ", " ▴▴▸▸ ", " ▴▴▸▸ ", " ▾▾◆◆ ", " ▾▾◆◆ ", " ▾▾◆◆ "),
horiz: mkJGD(" ", " ", "▴▴▴▸▸▸", "▴▴▴▸▸▸", "▾▾▾◆◆◆", "▾▾▾◆◆◆"),
},
};
tests["RIGHT BOTTOM"] = {
contain: {
verti: mkJGD(" ▴▴▸▸", " ▴▴▸▸", " ▴▴▸▸", " ▾▾◆◆", " ▾▾◆◆", " ▾▾◆◆"),
horiz: mkJGD(" ", " ", "▴▴▴▸▸▸", "▴▴▴▸▸▸", "▾▾▾◆◆◆", "▾▾▾◆◆◆"),
},
};
function runAlignTest(align) {
const jgdContainV = tests[align].contain.verti;
const jgdContainH = tests[align].contain.horiz;
let a = align.split(" ");
a = Jimp["HORIZONTAL_ALIGN_" + a[0]] | Jimp["VERTICAL_ALIGN_" + a[1]];
it("contain aligned to " + align, () => {
expectToBeJGD(
vertical.clone().contain(6, 6, a).getJGDSync(),
jgdContainV
);
expectToBeJGD(
horizontal.clone().contain(6, 6, a).getJGDSync(),
jgdContainH
);
});
}
for (const align in tests) if (hasOwnProp(tests, align)) runAlignTest(align);
});