Update error message

Author: kopytjuk

pandas/core/algorithms.py

@@ -1692,8 +1692,7 @@ def map_array(
 
         if na_action == "raise" and (indexer == -1).any():
             raise ValueError(
-                "Provided mapping is not sufficient to cover"
-                "all values in the input array!"
+                "At least one value is not covered in the mapping!"
             )
 
         new_values = take_nd(mapper._values, indexer)

pandas/tests/series/methods/test_map.py

@@ -327,7 +327,7 @@ def test_map_missing_key(na_action):
     mapping = {1: "a", 2: "b", 3: "c"}
 
     if na_action == "raise":
-        with pytest.raises(ValueError):
+        with pytest.raises(ValueError, match="not covered"):
             s.map(mapping, na_action=na_action)
     else:
         expected = Series(["a", "b", np.nan])
@@ -418,7 +418,7 @@ class DictWithoutMissing(dict):
     dictionary = DictWithoutMissing({3: "three"})
 
     if na_action == "raise":
-        with pytest.raises(ValueError):
+        with pytest.raises(ValueError, match="not covered"):
             _ = s.map(dictionary, na_action=na_action)
     else:
         result = s.map(dictionary, na_action=na_action)
@@ -433,7 +433,7 @@ def test_map_abc_mapping(non_dict_mapping_subclass, na_action):
     not_a_dictionary = non_dict_mapping_subclass({3: "three"})
 
     if na_action == "raise":
-        with pytest.raises(ValueError):
+        with pytest.raises(ValueError, match="not covered"):
             _ = s.map(not_a_dictionary, na_action=na_action)
     else:
         result = s.map(not_a_dictionary, na_action=na_action)