Added subject

unittests/unittests_reactive_extenstions/reactive_test_case.py

@@ -1,18 +1,28 @@
+import traceback
 import unittest
 from threading import Timer
 
+from cpl_core.console import Console
 from cpl_reactive_extensions.observable import Observable
 from cpl_reactive_extensions.observer import Observer
+from cpl_reactive_extensions.subject import Subject
 
 
 class ReactiveTestCase(unittest.TestCase):
     def setUp(self):
-        pass
+        self._error = False
+        self._completed = False
+
+    def _on_error(self, ex: Exception):
+        tb = traceback.format_exc()
+        Console.error(f"Somthing went wrong: {ex}", tb)
+        self._error = True
+
+    def _on_complete(self):
+        self._completed = True
 
     def test_observer(self):
         called = 0
-        has_error = False
-        completed = False
         test_x = 1
 
         def callback(observer: Observer):
@@ -38,34 +48,55 @@ class ReactiveTestCase(unittest.TestCase):
             called += 1
             self.assertEqual(test_x, x)
 
-        def on_err():
-            nonlocal has_error
-            has_error = True
-
-        def on_complete():
-            nonlocal completed
-            completed = True
-
         self.assertEqual(called, 0)
-        self.assertFalse(has_error)
-        self.assertFalse(completed)
+        self.assertFalse(self._error)
+        self.assertFalse(self._completed)
         observable.subscribe(
-            Observer(
-                on_next,
-                on_err,
-                on_complete,
-            )
+            on_next,
+            self._on_error,
+            self._on_complete,
         )
         self.assertEqual(called, 3)
-        self.assertFalse(has_error)
-        self.assertFalse(completed)
+        self.assertFalse(self._error)
+        self.assertFalse(self._completed)
 
         def complete():
             self.assertEqual(called, 4)
-            self.assertFalse(has_error)
-            self.assertTrue(completed)
+            self.assertFalse(self._error)
+            self.assertTrue(self._completed)
 
         Timer(1.0, complete).start()
 
+    def test_observable_from(self):
+        expected_x = 1
+
+        def _next(x):
+            nonlocal expected_x
+            self.assertEqual(expected_x, x)
+            expected_x += 1
+
+        observable = Observable.from_list([1, 2, 3, 4])
+        observable.subscribe(
+            _next,
+            self._on_error,
+        )
+        self.assertFalse(self._error)
+
     def test_subject(self):
-        pass
+        expected_x = 1
+
+        def _next(x):
+            nonlocal expected_x
+            self.assertEqual(expected_x, x)
+            expected_x += 1
+            if expected_x == 4:
+                expected_x = 1
+
+        subject = Subject(int)
+        subject.subscribe(_next, self._on_error, self._on_complete)
+        subject.subscribe(_next, self._on_error, self._on_complete)
+
+        observable = Observable.from_list([1, 2, 3])
+        observable.subscribe(subject, self._on_error, self._on_complete)
+
+        self.assertFalse(self._error)