76 lines
2.4 KiB
TypeScript
76 lines
2.4 KiB
TypeScript
import { FolderNode } from "../interfaces";
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import { ingest } from "../data_transfer";
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import { climb } from "../climb";
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const FOLDERS: FolderNode[] = [
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{ id: 1, color: "blue", name: "Water stuff", parent_id: undefined },
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{ id: 2, color: "green", name: "Folder for growing things", parent_id: undefined },
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{ id: 3, color: "yellow", name: "subfolder", parent_id: 2 },
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{ id: 4, color: "gray", name: "tests", parent_id: undefined },
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{ id: 5, color: "pink", name: "deeply nested directory", parent_id: 3 }
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];
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const TREE = ingest({
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folders: FOLDERS,
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localMetaAttributes: {}
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});
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describe("climb()", () => {
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it("traverses through the nodes", () => {
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const results: string[] = [];
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climb(TREE, (node) => results.push(node.color));
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expect(results.length).toBe(FOLDERS.length);
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expect(results.sort()).toEqual(FOLDERS.map(x => x.color).sort());
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});
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it("halts a tree climb", () => {
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let count = 0;
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climb(TREE, (_node, halt) => {
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count += 1;
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if (count == 3) { halt(); }
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});
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expect(count).toEqual(3);
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});
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});
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describe("data transfer", () => {
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it("converts flat data into hierarchical data", () => {
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const { folders } = TREE;
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expect(folders.length).toEqual(3);
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// ├─ FOLDER FOR GROWING THINGS
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// │ └─ SUBFOLDER
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// │ └─ DEEPLY NESTED DIRECTORY
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// ├─ TESTS
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// └─ WATER STUFF
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const l0 = folders[0];
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// Level 0, first folder
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expect(l0.name).toEqual(FOLDERS[1].name);
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expect(l0.id).toEqual(FOLDERS[1].id);
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expect(l0.color).toEqual(FOLDERS[1].color);
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expect(l0.children.length).toEqual(1);
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// Level 0, second folder
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const l0_2 = l0.children[0];
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expect(l0_2.name).toEqual(FOLDERS[2].name);
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expect(l0_2.color).toEqual(FOLDERS[2].color);
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expect((l0_2.children || []).length).toEqual(1);
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// Level 0, third folder
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const l0_3 = l0_2.children[0];
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expect(l0_3.name).toEqual(FOLDERS[4].name);
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expect(l0_3.color).toEqual(FOLDERS[4].color);
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expect((l0_3.children || []).length).toEqual(0);
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// Level 1, first folder
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expect(folders[1].name).toEqual(FOLDERS[3].name);
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expect(folders[1].color).toEqual(FOLDERS[3].color);
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expect(folders[1].children.length).toEqual(0);
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// Level 2, first folder
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expect(folders[2].name).toEqual(FOLDERS[0].name);
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expect(folders[2].color).toEqual(FOLDERS[0].color);
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expect(folders[2].children.length).toEqual(0);
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});
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});
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