Refine printing of ConditionError (#46838)

* Refine printing of ConditionError

* Improve coverage

* name -> type

tests/test_exceptions.py

@@ -0,0 +1,46 @@
+"""Test to verify that Home Assistant exceptions work."""
+from homeassistant.exceptions import (
+    ConditionErrorContainer,
+    ConditionErrorIndex,
+    ConditionErrorMessage,
+)
+
+
+def test_conditionerror_format():
+    """Test ConditionError stringifiers."""
+    error1 = ConditionErrorMessage("test", "A test error")
+    assert str(error1) == "In 'test' condition: A test error"
+
+    error2 = ConditionErrorMessage("test", "Another error")
+    assert str(error2) == "In 'test' condition: Another error"
+
+    error_pos1 = ConditionErrorIndex("box", index=0, total=2, error=error1)
+    assert (
+        str(error_pos1)
+        == """In 'box' (item 1 of 2):
+  In 'test' condition: A test error"""
+    )
+
+    error_pos2 = ConditionErrorIndex("box", index=1, total=2, error=error2)
+    assert (
+        str(error_pos2)
+        == """In 'box' (item 2 of 2):
+  In 'test' condition: Another error"""
+    )
+
+    error_container1 = ConditionErrorContainer("box", errors=[error_pos1, error_pos2])
+    print(error_container1)
+    assert (
+        str(error_container1)
+        == """In 'box' (item 1 of 2):
+  In 'test' condition: A test error
+In 'box' (item 2 of 2):
+  In 'test' condition: Another error"""
+    )
+
+    error_pos3 = ConditionErrorIndex("box", index=0, total=1, error=error1)
+    assert (
+        str(error_pos3)
+        == """In 'box':
+  In 'test' condition: A test error"""
+    )