Further improved auto-changelogs (#7600)

tools/pull_request_hooks/changelogParser.test.js

@@ -0,0 +1,72 @@
+import { strict as assert } from "node:assert";
+import { parseChangelog } from "./changelogParser.js";
+
+// Basic test
+const basicChangelog = parseChangelog(`
+	My cool PR!
+	:cl: DenverCoder9
+	add: Adds new stuff
+	/:cl:
+`);
+
+assert.equal(basicChangelog.author, "DenverCoder9");
+assert.equal(basicChangelog.changes.length, 1);
+assert.equal(basicChangelog.changes[0].type.changelogKey, "rscadd");
+assert.equal(basicChangelog.changes[0].description, "Adds new stuff");
+
+// Multi-line test
+const multiLineChangelog = parseChangelog(`
+	My cool PR!
+	:cl:
+	add: Adds new stuff
+	to the game
+	/:cl:
+`);
+
+assert.equal(multiLineChangelog.author, undefined);
+assert.equal(multiLineChangelog.changes.length, 1);
+assert.equal(multiLineChangelog.changes[0].type.changelogKey, "rscadd");
+assert.equal(
+	multiLineChangelog.changes[0].description,
+	"Adds new stuff\nto the game"
+);
+
+// Placeholders
+const placeholderChangelog = parseChangelog(`
+	My cool PR!
+	:cl:
+	add: Added new mechanics or gameplay changes
+	/:cl:
+`);
+
+assert.equal(placeholderChangelog.changes.length, 0);
+
+// No changelog
+const noChangelog = parseChangelog(`
+	My cool PR!
+`);
+
+assert.equal(noChangelog, undefined);
+
+// No /:cl:
+
+const noCloseChangelog = parseChangelog(`
+	My cool PR!
+	:cl:
+	add: Adds new stuff
+`);
+
+assert.equal(noCloseChangelog.changes.length, 1);
+assert.equal(noCloseChangelog.changes[0].type.changelogKey, "rscadd");
+assert.equal(noCloseChangelog.changes[0].description, "Adds new stuff");
+
+// :cl: with arbitrary text
+
+const arbitraryTextChangelog = parseChangelog(`
+	My cool PR!
+	:cl:
+	Adds new stuff
+	/:cl:
+`);
+
+assert.equal(arbitraryTextChangelog.changes.length, 0);