refactor(infra): directory structure (#4615)

packages/backend/server/src/utils/__tests__/doc.spec.ts

@@ -0,0 +1,72 @@
+import test from 'ava';
+
+import { DocID, DocVariant } from '../doc';
+
+test('can parse', t => {
+  // workspace only
+  let id = new DocID('ws');
+
+  t.is(id.workspace, 'ws');
+  t.assert(id.isWorkspace);
+
+  // full id
+  id = new DocID('ws:space:sub');
+
+  t.is(id.workspace, 'ws');
+  t.is(id.variant, DocVariant.Space);
+  t.is(id.guid, 'sub');
+
+  // variant only
+  id = new DocID('space:sub', 'ws');
+
+  t.is(id.workspace, 'ws');
+  t.is(id.variant, DocVariant.Space);
+  t.is(id.guid, 'sub');
+
+  // sub id only
+  id = new DocID('sub', 'ws');
+
+  t.is(id.workspace, 'ws');
+  t.is(id.variant, DocVariant.Unknown);
+  t.is(id.guid, 'sub');
+});
+
+test('fail', t => {
+  t.throws(() => new DocID('a:b:c:d'), {
+    message: 'Invalid format of Doc ID: a:b:c:d',
+  });
+  t.throws(() => new DocID(':space:sub'), { message: 'Workspace is required' });
+  t.throws(() => new DocID('space:sub'), { message: 'Workspace is required' });
+  t.throws(() => new DocID('ws:any:sub'), {
+    message: 'Invalid ID variant: any',
+  });
+  t.throws(() => new DocID('ws:space:'), {
+    message: 'ID is required for non-workspace doc',
+  });
+  t.throws(() => new DocID('ws::space'), {
+    message: 'Variant is required for non-workspace doc',
+  });
+});
+
+test('fix', t => {
+  let id = new DocID('ws');
+  // can't fix because the doc variant is [Workspace]
+  id.fixWorkspace('ws2');
+  t.is(id.workspace, 'ws');
+  t.is(id.toString(), 'ws');
+
+  id = new DocID('ws:space:sub');
+
+  id.fixWorkspace('ws2');
+
+  t.is(id.workspace, 'ws2');
+  t.is(id.toString(), 'ws2:space:sub');
+
+  id = new DocID('space:sub', 'ws');
+  t.is(id.workspace, 'ws');
+  t.is(id.toString(), 'ws:space:sub');
+
+  id = new DocID('ws2:space:sub', 'ws');
+  t.is(id.workspace, 'ws');
+  t.is(id.toString(), 'ws:space:sub');
+});