kotlin-node/node.test/TestContextAssert/snapshot

snapshot

abstract fun snapshot(value: Any?, options: AssertSnapshotOptions = definedExternally)(source)

This function implements assertions for snapshot testing.

test('snapshot test with default serialization', (t) => {
  t.assert.snapshot({ value1: 1, value2: 2 });
});

test('snapshot test with custom serialization', (t) => {
  t.assert.snapshot({ value3: 3, value4: 4 }, {
    serializers: [(value) => JSON.stringify(value)]
  });
});

Only available through the --experimental-test-snapshots flag.

Since

v22.3.0