wehub-resource-sync
65 lines
2.4 KiB
TypeScript
65 lines
2.4 KiB
TypeScript
// tests/unit/build/check-circular-deps.test.ts
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// TDD test for the parseDpdmOutput function in check-circular-deps.mjs.
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// Validates JSON parsing logic without executing dpdm (which is slow and
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// requires network-resolved node_modules at test time).
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import test from "node:test";
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import assert from "node:assert/strict";
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import { parseDpdmOutput } from "../../../scripts/check/check-circular-deps.mjs";
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test("parseDpdmOutput: empty circulars array returns count 0", () => {
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const result = parseDpdmOutput(JSON.stringify({ circulars: [], tree: {}, entries: [] }));
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assert.equal(result.count, 0);
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assert.deepEqual(result.circulars, []);
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});
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test("parseDpdmOutput: counts each circular path as one entry", () => {
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const synthetic = {
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entries: ["src/a.ts", "src/b.ts"],
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tree: {},
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circulars: [
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["src/a.ts", "src/b.ts"],
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["src/b.ts", "src/a.ts"],
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["src/c.ts", "src/d.ts", "src/c.ts"],
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],
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};
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const result = parseDpdmOutput(JSON.stringify(synthetic));
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assert.equal(result.count, 3);
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assert.equal(result.circulars.length, 3);
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});
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test("parseDpdmOutput: preserves circular path arrays", () => {
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const path1 = ["src/lib/db/core.ts", "src/lib/db/settings.ts"];
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const path2 = ["open-sse/handlers/chatCore.ts", "open-sse/services/combo.ts"];
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const result = parseDpdmOutput(JSON.stringify({ circulars: [path1, path2] }));
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assert.equal(result.count, 2);
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assert.deepEqual(result.circulars[0], path1);
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assert.deepEqual(result.circulars[1], path2);
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});
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test("parseDpdmOutput: missing circulars key returns count 0", () => {
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// dpdm omits circulars when there are none in some versions
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const result = parseDpdmOutput(JSON.stringify({ entries: [], tree: {} }));
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assert.equal(result.count, 0);
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assert.deepEqual(result.circulars, []);
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});
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test("parseDpdmOutput: null circulars treated as empty", () => {
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// defensive: dpdm could theoretically return null
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const result = parseDpdmOutput(JSON.stringify({ circulars: null }));
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assert.equal(result.count, 0);
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assert.deepEqual(result.circulars, []);
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});
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test("parseDpdmOutput: throws on invalid JSON", () => {
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assert.throws(() => parseDpdmOutput("not-json{{{"), /dpdm JSON parse failed/);
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});
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test("parseDpdmOutput: large synthetic output counts correctly", () => {
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const circulars = Array.from({ length: 89 }, (_, i) => [
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`src/lib/module${i}.ts`,
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`src/lib/dep${i}.ts`,
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]);
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const result = parseDpdmOutput(JSON.stringify({ circulars }));
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assert.equal(result.count, 89);
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});
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