Correct the spelling of ArgSource.INVOCATION_DIR (#11333)

Config.ArgsSource.INCOVATION_DIR remains as a backwards compatibility
alias.

changelog/11333.trivial.rst

@@ -0,0 +1,2 @@
+Corrected the spelling of ``Config.ArgsSource.INVOCATION_DIR``.
+The previous spelling ``INCOVATION_DIR`` remains as an alias.

src/_pytest/config/__init__.py

@@ -953,7 +953,8 @@ class Config:
         #: Command line arguments.
         ARGS = enum.auto()
         #: Invocation directory.
-        INCOVATION_DIR = enum.auto()
+        INVOCATION_DIR = enum.auto()
+        INCOVATION_DIR = INVOCATION_DIR  # backwards compatibility alias
         #: 'testpaths' configuration value.
         TESTPATHS = enum.auto()
 
@@ -1278,7 +1279,7 @@ class Config:
             else:
                 result = []
             if not result:
-                source = Config.ArgsSource.INCOVATION_DIR
+                source = Config.ArgsSource.INVOCATION_DIR
                 result = [str(invocation_dir)]
         return result, source
 

testing/test_config.py

@@ -507,6 +507,24 @@ class TestParseIni:
         result = pytester.runpytest("--foo=1")
         result.stdout.fnmatch_lines("* no tests ran in *")
 
+    def test_args_source_args(self, pytester: Pytester):
+        config = pytester.parseconfig("--", "test_filename.py")
+        assert config.args_source == Config.ArgsSource.ARGS
+
+    def test_args_source_invocation_dir(self, pytester: Pytester):
+        config = pytester.parseconfig()
+        assert config.args_source == Config.ArgsSource.INVOCATION_DIR
+
+    def test_args_source_testpaths(self, pytester: Pytester):
+        pytester.makeini(
+            """
+            [pytest]
+            testpaths=*
+        """
+        )
+        config = pytester.parseconfig()
+        assert config.args_source == Config.ArgsSource.TESTPATHS
+
 
 class TestConfigCmdlineParsing:
     def test_parsing_again_fails(self, pytester: Pytester) -> None: