TabsManager.py Added unit tests + documentation

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")