Refactor temporary test directory creation

Now the includeorder, includeguard, and config tests use a temporary
directory with their own .styleguide files instead of using the
wpiformat .styleguide file. This allowed massively simplifying
wpiformat's .styleguide file.

.styleguide

@@ -1,33 +1,7 @@
-cppHeaderFileInclude {
-  \.h$
-  \.hpp$
-  \.inc$
-}
-
-cppSrcFileInclude {
-  \.cpp$
-}
-
-# Extra "/" used by unit tests
 generatedFileExclude {
-  /cpplint\.py$
+  cpplint\.py$
 }
 
 modifiableFileExclude {
   \.png$
 }
-
-licenseUpdateExclude {
-  Excluded\.h$
-}
-
-# Ordered this way to ensure tests find longest match
-includeGuardRoots {
-  wpiformat/
-  wpiformat/Test/
-}
-
-# Used by unit tests
-includeProject {
-  ^ctre/
-}

.styleguide-license

@@ -1,2 +1 @@
-/*{padding}Company Name{padding}*/
-/* Copyright (c) {year} Company Name. All Rights Reserved.{padding}*/
+// Copyright (c) {year} FIRST

wpiformat/wpiformat/test/test_cidentlist.py

@@ -1,6 +1,7 @@
 import os
 
 from .test_tasktest import *
+from .test_tempdir import *
 from wpiformat.cidentlist import CIdentList
 
 
@@ -494,4 +495,18 @@ def test_cidentlist():
         True,
     )
 
-    test.run(OutputType.FILE)
+    with OpenTemporaryDirectory():
+        with open(".styleguide", "w") as file:
+            file.write(
+                r"""cppHeaderFileInclude {
+  \.h$
+  \.hpp$
+  \.inc$
+}
+
+includeProject {
+  ^ctre/
+}
+"""
+            )
+        test.run(OutputType.FILE)

wpiformat/wpiformat/test/test_config.py

@@ -1,23 +1,45 @@
-import os
-
+from .tempdir import *
 from wpiformat.config import Config
 
 
 def test_config():
-    config_file = Config(os.path.abspath(os.getcwd()), ".styleguide")
-    assert config_file.is_modifiable_file(
-        "." + os.sep + "wpiformat" + os.sep + "javaguidelink.png"
-    )
-    assert config_file.is_generated_file(
-        "." + os.sep + "wpiformat" + os.sep + "wpiformat" + os.sep + "cpplint.py"
-    )
+    with OpenTemporaryDirectory():
+        with open(".styleguide", "w") as file:
+            file.write(
+                r"""cppHeaderFileInclude {
+  \.h$
+  \.inc$
+}
+
+cppSrcFileInclude {
+  \.cpp$
+}
+
+# Extra "/" used by unit tests
+generatedFileExclude {
+  /cpplint\.py$
+}
+
+modifiableFileExclude {
+  \.png$
+}
+"""
+            )
+
+        config_file = Config(os.path.abspath(os.getcwd()), ".styleguide")
+        assert config_file.is_modifiable_file(
+            "." + os.sep + "wpiformat" + os.sep + "javaguidelink.png"
+        )
+        assert config_file.is_generated_file(
+            "." + os.sep + "wpiformat" + os.sep + "wpiformat" + os.sep + "cpplint.py"
+        )
 
-    assert not config_file.is_generated_file(
-        "." + os.sep + "wpiformat" + os.sep + "diff_cpplint.py"
-    )
-    assert not config_file.is_generated_file(
-        "." + os.sep + "wpiformat" + os.sep + "update_cpplint.py"
-    )
-    assert not config_file.is_modifiable_file(
-        "." + os.sep + "wpiformat" + os.sep + "license.txt"
-    )
+        assert not config_file.is_generated_file(
+            "." + os.sep + "wpiformat" + os.sep + "diff_cpplint.py"
+        )
+        assert not config_file.is_generated_file(
+            "." + os.sep + "wpiformat" + os.sep + "update_cpplint.py"
+        )
+        assert not config_file.is_modifiable_file(
+            "." + os.sep + "wpiformat" + os.sep + "license.txt"
+        )