test: integration test for git

incipyt/tools/git.py

@@ -20,6 +20,9 @@ def __init__(self):
 
         signals.vcs_ignore.connect(self._slot)
 
+        self._set_git_credential_email = False
+        self._set_git_credential_name = False
+
     def add_to_structure(self):
         """Add git configuration to `project.structure`.
 
@@ -49,23 +52,55 @@ def pre(self, workon):
         """
         commands.run(["git", "init", os.fspath(workon)])
 
-        project.environ["AUTHOR_EMAIL"] = project.EnvValue(
-            commands.run(["git", "-C", os.fspath(workon), "config", "user.email"])
-            .stdout.decode()
-            .strip(),
-            update=True,
+        git_credential_email = commands.run(
+            ["git", "-C", os.fspath(workon), "config", "user.email"], check=False
         )
-        project.environ["AUTHOR_NAME"] = project.EnvValue(
-            commands.run(["git", "-C", os.fspath(workon), "config", "user.name"])
-            .stdout.decode()
-            .strip(),
-            update=True,
+        if git_credential_email.returncode == 0:
+            project.environ["AUTHOR_EMAIL"] = project.EnvValue(
+                git_credential_email.stdout.decode().strip(),
+                update=True,
+            )
+        else:
+            self._set_git_credential_email = True
+
+        git_credential_name = commands.run(
+            ["git", "-C", os.fspath(workon), "config", "user.name"], check=False
         )
+        if git_credential_name.returncode == 0:
+            project.environ["AUTHOR_NAME"] = project.EnvValue(
+                git_credential_name.stdout.decode().strip(),
+                update=True,
+            )
+        else:
+            self._set_git_credential_name = True
 
     def post(self, workon):
         """Run `git add --all`.
 
         :param workon: Work-on folder.
         :type workon: :class:`pathlib.Path`
         """
+        if self._set_git_credential_email:
+            commands.run(
+                [
+                    "git",
+                    "-C",
+                    os.fspath(workon),
+                    "config",
+                    "user.email",
+                    project.environ["AUTHOR_EMAIL"],
+                ]
+            )
+        if self._set_git_credential_name:
+            commands.run(
+                [
+                    "git",
+                    "-C",
+                    os.fspath(workon),
+                    "config",
+                    "user.name",
+                    project.environ["AUTHOR_NAME"],
+                ]
+            )
+
         commands.run(["git", "-C", os.fspath(workon), "add", "--all"])

tests/test_tools/test_git.py

@@ -0,0 +1,34 @@
+import filecmp
+import os
+import pathlib
+import shutil
+
+from tests.test_tools import testing
+
+from incipyt import __main__
+
+
+def make_archive():
+    runner = testing.IncipytRunner()
+    root_dir = pathlib.Path(__file__).parent
+    with runner.isolated_filesystem() as td:
+        runner.invoke(__main__.main, ["--vcs=git", "--check-build", "my_project"])
+        os.chdir(root_dir)
+        os.remove("git.tar.gz")
+        shutil.make_archive("git", "gztar", root_dir=td, base_dir="my_project")
+
+
+def test_integration(tmp_path):
+    runner = testing.IncipytRunner(input_mapping={r"Repository": ""})
+    with runner.isolated_filesystem(temp_dir=tmp_path):
+        result = runner.invoke(
+            __main__.main, ["--vcs=git", "--check-build", "my_project"]
+        )
+        shutil.unpack_archive(pathlib.Path(__file__).parent / "git.tar.gz", "archive")
+        diff = testing.diff_files(
+            filecmp.dircmp("my_project", pathlib.Path("archive/my_project"))
+        )
+
+    assert diff == set()
+    assert not result.exception
+    assert result.exit_code == 0