fix(core): Fix state initialization, hash detection, and validation - v2.0.25

test/test.initialization.both.ts

@@ -0,0 +1,157 @@
+import { expect, tap } from '@push.rocks/tapbundle';
+import * as smartstate from '../ts/index.js';
+
+type TTestStateParts = 'initTest' | 'persistTest' | 'forceTest';
+
+interface ITestState {
+  value: number;
+  nested: {
+    data: string;
+  };
+}
+
+tap.test('should handle soft init mode (default)', async () => {
+  const state = new smartstate.Smartstate<TTestStateParts>();
+  
+  // First creation
+  const statePart1 = await state.getStatePart<ITestState>('initTest', {
+    value: 1,
+    nested: { data: 'initial' }
+  });
+  expect(statePart1.getState()).toEqual({
+    value: 1,
+    nested: { data: 'initial' }
+  });
+  
+  // Second call should return existing
+  const statePart2 = await state.getStatePart<ITestState>('initTest');
+  expect(statePart1).toEqual(statePart2);
+});
+
+tap.test('should handle mandatory init mode', async () => {
+  const state = new smartstate.Smartstate<TTestStateParts>();
+  
+  // First creation should succeed
+  const statePart1 = await state.getStatePart<ITestState>('initTest', {
+    value: 1,
+    nested: { data: 'initial' }
+  }, 'mandatory');
+  expect(statePart1).toBeInstanceOf(smartstate.StatePart);
+  
+  // Second call with mandatory should fail
+  let error: Error | null = null;
+  try {
+    await state.getStatePart<ITestState>('initTest', {
+      value: 2,
+      nested: { data: 'second' }
+    }, 'mandatory');
+  } catch (e) {
+    error = e as Error;
+  }
+  expect(error).not.toBeNull();
+  expect(error?.message).toMatch(/already exists.*mandatory/);
+});
+
+tap.test('should handle force init mode', async () => {
+  const state = new smartstate.Smartstate<TTestStateParts>();
+  
+  // First creation
+  const statePart1 = await state.getStatePart<ITestState>('forceTest', {
+    value: 1,
+    nested: { data: 'initial' }
+  });
+  expect(statePart1.getState()?.value).toEqual(1);
+  
+  // Force should create new state part
+  const statePart2 = await state.getStatePart<ITestState>('forceTest', {
+    value: 2,
+    nested: { data: 'forced' }
+  }, 'force');
+  expect(statePart2.getState()?.value).toEqual(2);
+  expect(statePart1).not.toEqual(statePart2);
+});
+
+tap.test('should handle missing initial state error', async () => {
+  const state = new smartstate.Smartstate<TTestStateParts>();
+  
+  let error: Error | null = null;
+  try {
+    await state.getStatePart<ITestState>('initTest');
+  } catch (e) {
+    error = e as Error;
+  }
+  expect(error).not.toBeNull();
+  expect(error?.message).toMatch(/does not exist.*no initial state/);
+});
+
+tap.test('should handle state validation', async () => {
+  const state = new smartstate.Smartstate<TTestStateParts>();
+  
+  const statePart = await state.getStatePart<ITestState>('initTest', {
+    value: 1,
+    nested: { data: 'initial' }
+  });
+  
+  // Setting null should fail validation
+  let error: Error | null = null;
+  try {
+    await statePart.setState(null as any);
+  } catch (e) {
+    error = e as Error;
+  }
+  expect(error).not.toBeNull();
+  expect(error?.message).toMatch(/Invalid state structure/);
+});
+
+tap.test('should handle undefined state in select', async () => {
+  const state = new smartstate.Smartstate<TTestStateParts>();
+  const statePart = new smartstate.StatePart<TTestStateParts, ITestState>('initTest');
+  
+  // Select should filter out undefined states
+  const values: (ITestState | undefined)[] = [];
+  statePart.select().subscribe(val => values.push(val));
+  
+  // Initially undefined, should not emit
+  expect(values).toHaveLength(0);
+  
+  // After setting state, should emit
+  await statePart.setState({
+    value: 1,
+    nested: { data: 'test' }
+  });
+  
+  expect(values).toHaveLength(1);
+  expect(values[0]).toEqual({
+    value: 1,
+    nested: { data: 'test' }
+  });
+});
+
+tap.test('should not notify on duplicate state', async () => {
+  const state = new smartstate.Smartstate<TTestStateParts>();
+  const statePart = await state.getStatePart<ITestState>('initTest', {
+    value: 1,
+    nested: { data: 'initial' }
+  });
+  
+  let notificationCount = 0;
+  // Use select() to get initial value + changes
+  statePart.select().subscribe(() => notificationCount++);
+  
+  // Should have received initial state
+  expect(notificationCount).toEqual(1);
+  
+  // Set same state multiple times
+  await statePart.setState({ value: 1, nested: { data: 'initial' } });
+  await statePart.setState({ value: 1, nested: { data: 'initial' } });
+  await statePart.setState({ value: 1, nested: { data: 'initial' } });
+  
+  // Should still be 1 (no new notifications for duplicate state)
+  expect(notificationCount).toEqual(1);
+  
+  // Change state should notify
+  await statePart.setState({ value: 2, nested: { data: 'changed' } });
+  expect(notificationCount).toEqual(2);
+});
+
+export default tap.start();