All files / json-patch/op OpTest.ts

92.85% Statements 26/28
82.35% Branches 14/17
85.71% Functions 6/7
96% Lines 24/25

Press n or j to go to the next uncovered block, b, p or k for the previous block.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62    16x 16x 16x   16x             16x     356x 356x   356x       39x               147x 147x 146x 146x       88x         88x 88x       68x 68x 68x       34x 34x 34x 34x 34x      
import type {CompactTestOp, OPCODE_TEST} from '../codec/compact/types';
import type {OperationTest} from '../types';
import {find, type Path, formatJsonPointer} from '@jsonjoy.com/json-pointer';
import {AbstractPredicateOp} from './AbstractPredicateOp';
import {OPCODE} from '../constants';
import type {AbstractOp} from './AbstractOp';
import {deepEqual} from '@jsonjoy.com/util/lib/json-equal/deepEqual';
import type {IMessagePackEncoder} from '@jsonjoy.com/json-pack/lib/msgpack';
 
/**
 * @category JSON Patch
 * @category JSON Predicate
 */
export class OpTest extends AbstractPredicateOp<'test'> {
  constructor(
    path: Path,
    public readonly value: unknown,
    public readonly not: boolean,
  ) {
    super(path);
  }
 
  public op() {
    return 'test' as const;
  }
 
  public code() {
    return OPCODE.test;
  }
 
  public test(doc: unknown) {
    const {val} = find(doc, this.path);
    if (val === undefined) return !!this.not;
    const test = deepEqual(val, this.value);
    return this.not ? !test : test;
  }
 
  public toJson(parent?: AbstractOp): OperationTest {
    const op: OperationTest = {
      op: 'test',
      path: formatJsonPointer(parent ? this.path.slice(parent.path.length) : this.path),
      value: this.value,
    };
    if (this.not) (op as any).not = this.not;
    return op;
  }
 
  public toCompact(parent: AbstractOp | undefined, verbose: boolean): CompactTestOp {
    const path = parent ? this.path.slice(parent.path.length) : this.path;
    const opcode: OPCODE_TEST = verbose ? 'test' : OPCODE.test;
    return this.not ? [opcode, path, this.value, 1] : [opcode, path, this.value];
  }
 
  public encode(encoder: IMessagePackEncoder, parent?: AbstractOp) {
    encoder.encodeArrayHeader(this.not ? 4 : 3);
    encoder.writer.u8(OPCODE.test);
    encoder.encodeArray(parent ? this.path.slice(parent.path.length) : (this.path as unknown[]));
    encoder.encodeAny(this.value);
    Iif (this.not) encoder.writer.u8(1);
  }
}