import { assert, assertEquals, test } from "./test_deps.ts";import { composeStrategy, Serializable, TransformKey } from "./serializable.ts";import { SerializeProperty } from "./serialize_property.ts";
test({ name: "adds methods to extended classes", fn() { class TestClass extends Serializable {} const testObj = new TestClass(); assert(testObj instanceof Serializable); assertEquals(typeof testObj.toJson, "function"); assertEquals(typeof testObj.fromJson, "function"); },});
test({ name: "composeStrategy composes a List of functions", fn() { const addLetter = (letter: string) => (v: string) => `${v}${letter}`; const shout = (v: string) => `${v}!!!`; const strategy = composeStrategy( addLetter(" "), addLetter("W"), addLetter("o"), addLetter("r"), addLetter("l"), addLetter("d"), shout, ); assertEquals(strategy("Hello"), "Hello World!!!"); },});
test({ name: "does not run TransformKey if not implemented", fn() { class TestTransformKey extends Serializable { @SerializeProperty() public test = "test"; }
assertEquals(new TestTransformKey().toJson(), `{"test":"test"}`); assertEquals( new TestTransformKey().fromJson({ test: "changed" }).test, `changed`, ); },});
test({ name: "runs TransformKey without implementation declaration", fn() { class TestTransformKey extends Serializable { public tsTransformKey(key: string): string { return `__${key}__`; }
@SerializeProperty() public test = "test"; }
assertEquals(new TestTransformKey().toJson(), `{"__test__":"test"}`); assertEquals( new TestTransformKey().fromJson({ __test__: "changed" }).test, `changed`, ); },});
test({ name: "implements TransformKey to children", fn() { class TestTransformKey extends Serializable implements TransformKey { public tsTransformKey(key: string): string { return `__${key}__`; } }
class TestTransformKey2 extends TestTransformKey { @SerializeProperty() public test2 = "test2"; }
class TestTransformKey3 extends TestTransformKey2 { @SerializeProperty() public test3 = "test3"; }
assertEquals(new TestTransformKey2().toJson(), `{"__test2__":"test2"}`); assertEquals( new TestTransformKey2().fromJson({ __test2__: "changed" }).test2, `changed`, );
assertEquals( new TestTransformKey3().toJson(), `{"__test2__":"test2","__test3__":"test3"}`, ); assertEquals( new TestTransformKey3().fromJson({ __test3__: "changed" }).test3, `changed`, ); },});
test({ name: "implements TransformKey to children and children can change", fn() { class TestTransformKey extends Serializable implements TransformKey { public tsTransformKey(key: string): string { return `__${key}__`; } }
class TestTransformKey2 extends TestTransformKey { @SerializeProperty() public test2 = "test2"; }
class TestTransformKey3 extends TestTransformKey2 implements TransformKey { public tsTransformKey(key: string): string { return `--${key}--`; } @SerializeProperty() public test3 = "test3"; }
class TestTransformKey4 extends TestTransformKey3 { @SerializeProperty() public test4 = "test4"; }
assertEquals(new TestTransformKey2().toJson(), `{"__test2__":"test2"}`); assertEquals( new TestTransformKey2().fromJson({ __test2__: "changed" }).test2, `changed`, );
assertEquals( new TestTransformKey3().toJson(), `{"__test2__":"test2","--test3--":"test3"}`, ); assertEquals( new TestTransformKey3().fromJson({ "--test3--": "changed" }).test3, `changed`, );
assertEquals( new TestTransformKey4().toJson(), `{"__test2__":"test2","--test3--":"test3","--test4--":"test4"}`, ); assertEquals( new TestTransformKey4().fromJson({ "--test4--": "changed" }).test4, `changed`, ); },});
test({ name: "implements TransformKey but respects override as string", fn() { class TestTransformKey extends Serializable implements TransformKey { public tsTransformKey(key: string): string { return `__${key}__`; } }
class TestTransformKey2 extends TestTransformKey { @SerializeProperty() public test2 = "test2";
@SerializeProperty("changed") public changeMe = "change me"; }
assertEquals( new TestTransformKey2().toJson(), `{"__test2__":"test2","changed":"change me"}`, ); assertEquals( new TestTransformKey2().fromJson({ changed: "changed" }).changeMe, `changed`, ); },});
test({ name: "implements TransformKey but respects override as property", fn() { class TestTransformKey extends Serializable implements TransformKey { public tsTransformKey(key: string): string { return `__${key}__`; } }
class TestTransformKey2 extends TestTransformKey { @SerializeProperty() public test2 = "test2";
@SerializeProperty({ serializedKey: "changed" }) public changeMe = "change me"; }
assertEquals( new TestTransformKey2().toJson(), `{"__test2__":"test2","changed":"change me"}`, ); assertEquals( new TestTransformKey2().fromJson({ changed: "changed" }).changeMe, `changed`, ); },});