Require path to exist

yamale/command_line.py

@@ -113,11 +113,13 @@ def should_exclude(yaml_path):
         return should_exclude
 
     for path in paths:
-        path = os.path.abspath(path)
-        if os.path.isdir(path):
-            _validate_dir(path, schema_name, cpus, parser, strict, should_exclude)
+        abs_path = os.path.abspath(path)
+        if not os.path.exists(abs_path):
+            raise ValueError(f"Path does not exist: {path}")
+        if os.path.isdir(abs_path):
+            _validate_dir(abs_path, schema_name, cpus, parser, strict, should_exclude)
         else:
-            _validate_file(path, schema_name, parser, strict, should_exclude)
+            _validate_file(abs_path, schema_name, parser, strict, should_exclude)
 
 
 def main():

yamale/tests/test_command_line.py

@@ -139,6 +139,17 @@ def test_bad_dir():
         command_line._router("yamale/tests/command_line_fixtures/yamls", "schema.yaml", 4, "PyYAML")
 
 
+def test_bad_path_raises():
+    with pytest.raises(ValueError) as e:
+        command_line._router(
+            paths=["yamale/tests/command_line_fixtures/yamls/a path that does not exist.yaml"],
+            schema_name="schema.yaml",
+            cpus=1,
+            parser="PyYAML",
+        )
+    assert "Path does not exist" in str(e)
+
+
 def test_bad_strict():
     with pytest.raises(ValueError) as e:
         command_line._router(