test(json-crdt-patch): 💍 add schema builder smoke test

Author: streamich

packages/json-joy/src/json-crdt-patch/__tests__/schema.spec.ts

@@ -1,6 +1,9 @@
 import {Model} from '../../json-crdt/model';
 import {type NodeBuilder, s} from '../schema';
 
+const escapeTerminalCtrlChars = (str: string): string =>
+ str.replace(/[\u001b\u009b][[()#;?]*(?:[0-9]{1,4}(?:;[0-9]{0,4})*)?[0-9A-ORZcf-nqry=><]/g, '');
+
 describe('nodes', () => {
  describe('obj', () => {
  test('can create basic "obj" schema', () => {
@@ -17,6 +20,67 @@ describe('nodes', () => {
  });
  });
 
+ test('can print schema', () => {
+ const schema = s.obj(
+ {
+ name: s.str('abc'),
+ age: s.con(123),
+ data: s.bin(new Uint8Array([0xff, 0x00, 0x44, 0x55])),
+ important: s.val(s.con(null)),
+ undefined: s.con(undefined),
+ coords: s.vec(s.con(1.1232), s.con(2.1232)),
+ tags: s.arr([s.str('tag1'), s.str('tag2')]),
+ extension: s.ext(
+ 5,
+ s.obj({
+ foo: s.con('bar'),
+ }),
+ ),
+ },
+ {
+ verified: s.con(true),
+ signature: s.con(new Uint8Array([1, 2, 3])),
+ label: s.con('x78398ks-asdf'),
+ },
+ );
+ const str = schema + '';
+ expect('\n' + escapeTerminalCtrlChars(str)).toBe(`
+obj
+├─ "name"
+│ └─ str { "abc" }
+├─ "age"
+│ └─ con { 123 }
+├─ "data"
+│ └─ bin { 255, 0, 68, 85 }
+├─ "important"
+│ └─ val
+│ └─ con { !n }
+├─ "undefined"
+│ └─ con { !u }
+├─ "coords"
+│ └─ vec
+│ ├─ 0: con { 1.1232 }
+│ └─ 1: con { 2.1232 }
+├─ "tags"
+│ └─ arr
+│ ├─ [0]: str { "tag1" }
+│ └─ [1]: str { "tag2" }
+├─ "extension"
+│ └─ ext(5)
+│ └─ obj
+│ └─ "foo"
+│ └─ con { "bar" }
+├─ "verified"?
+│ └─ con { !t }
+├─ "signature"?
+│ └─ con Uint8Array { 1, 2, 3 }
+└─ "label"?
+ └─ con { "x78398ks-asdf" }`);
+ // console.log(str);
+ // const model = Model.create(schema);
+ // console.log(model.root.child() + '');
+ });
+
  describe('json', () => {
  const assertSchemasEqual = <A extends NodeBuilder, B extends A>(schema1: A, schema2: B): void => {
  const model1 = Model.create(schema1, 123456789);