TabsManager.py Added unit tests + documentation

tests/testclient/test_finds.py

@@ -74,8 +74,8 @@ def test_i_can_manage_notstr_success_path(ft, to_search, expected):
     (NotStr("hello my friend"), TestObject(NotStr, s="hello")),
 ])
 def test_test_i_can_manage_notstr_failure_path(ft, to_search):
-  with pytest.raises(AssertionError):
-    find(ft, to_search)
+  res = find(ft, to_search)
+  assert res == []
 
 
 @pytest.mark.parametrize('ft, expected', [
@@ -85,5 +85,4 @@ def test_test_i_can_manage_notstr_failure_path(ft, to_search):
     (Div(id="id2"), Div(id="id1")),
 ])
 def test_i_cannot_find(ft, expected):
-  with pytest.raises(AssertionError):
-    find(expected, ft)
+  assert find(expected, ft) == []

tests/testclient/test_matches.py

@@ -1,12 +1,10 @@
 import pytest
-from fastcore.basics import NotStr
 from fasthtml.components import *
 
 from myfasthtml.controls.helpers import mk
 from myfasthtml.core.commands import Command
 from myfasthtml.icons.fluent_p3 import add20_regular
-from myfasthtml.test.matcher import matches, StartsWith, Contains, DoesNotContain, Empty, ErrorOutput, \
-  ErrorComparisonOutput, AttributeForbidden, AnyValue, NoChildren, TestObject, Skip, DoNotCheck, TestIcon, HasHtmx
+from myfasthtml.test.matcher import *
 from myfasthtml.test.testclient import MyFT
 
 
@@ -468,3 +466,16 @@ class TestPredicates:
     c = Command("c", "testing has_htmx", None)
     c.bind_ft(div)
     assert HasHtmx(command=c).validate(div)
+  
+  def test_i_can_use_and(self):
+    contains1 = Contains("value1")
+    contains2 = Contains("value2")
+    not_contains1 = DoesNotContain("value1")
+    not_contains2 = DoesNotContain("value2")
+    
+    assert And(contains1, contains2).validate("value1 value2")
+    assert And(contains1, not_contains2).validate("value1")
+    assert And(not_contains1, contains2).validate("value2")
+    assert And(not_contains1, not_contains2).validate("value3")
+    
+    assert not And(contains1, not_contains2).validate("value2")