Work on inline attributes

plug-api/lib/attribute.test.ts

@@ -0,0 +1,39 @@
+import { parse } from "../../common/markdown_parser/parse_tree.ts";
+import buildMarkdown from "../../common/markdown_parser/parser.ts";
+import { extractAttributes } from "$sb/lib/attribute.ts";
+import { assertEquals } from "../../test_deps.ts";
+import { renderToText } from "$sb/lib/tree.ts";
+
+const inlineAttributeSample = `
+# My document
+Top level attributes: [name:: sup] [age:: 42]
+
+* [ ] Attribute in a task [tag:: foo]
+* Regular item [tag:: bar]
+
+1. Itemized list [tag:: baz]
+`;
+
+const cleanedInlineAttributeSample = `
+# My document
+Top level attributes:  
+
+* [ ] Attribute in a task [tag:: foo]
+* Regular item [tag:: bar]
+
+1. Itemized list [tag:: baz]
+`;
+
+Deno.test("Test attribute extraction", () => {
+  const lang = buildMarkdown([]);
+  const tree = parse(lang, inlineAttributeSample);
+  const toplevelAttributes = extractAttributes(tree, false);
+  assertEquals(Object.keys(toplevelAttributes).length, 2);
+  assertEquals(toplevelAttributes.name, "sup");
+  assertEquals(toplevelAttributes.age, 42);
+  // Check if the attributes are still there
+  assertEquals(renderToText(tree), inlineAttributeSample);
+  // Now once again with cleaning
+  extractAttributes(tree, true);
+  assertEquals(renderToText(tree), cleanedInlineAttributeSample);
+});