test: Add tests for target name conflicts.

tests/test_basic_latex.py

@@ -6,19 +6,112 @@
 import tarfile as tar
 from pathlib import Path
 import pytest
-from tartex.tartex import TarTeX
+from tartex.tartex import TarTeX, TAR_DEFAULT_COMP
+
+
+@pytest.fixture
+def default_target(datadir):
+    return Path(datadir) / "test"
+
+
+@pytest.fixture
+def default_tartex_obj(datadir, default_target):
+    return TarTeX(
+        [
+            (Path(datadir) / "basic_latex.tex").as_posix(),
+            "-o",
+            default_target.as_posix(),
+        ]
+    )
 
 
 class TestBasicLaTeX:
     """Tests checking tar file generation from a basic latex file"""
-    def test_gen_tar(self, datadir, tmpdir, capsys):
+
+    def test_gen_tar(self, default_target, default_tartex_obj, capsys):
         """Should include a single file in tarball"""
-        output = Path(f"{tmpdir}/test.tar.gz")
-        t = TarTeX([(Path(datadir) / "basic_latex.tex").as_posix(),
-                    "-o",
-                    output.as_posix()])
+        output = default_target.with_suffix(".tar.gz")
+        t = default_tartex_obj
         t.tar_files()
-        print(capsys.readouterr().out)
         assert output.exists() is True
         with tar.open(output) as rat:
             assert len(rat.getnames()) == 1
+
+
+# These tests involve repeatedly compiling LaTeX files, thus can be slow
+@pytest.mark.slow
+class TestTarConflict:
+    """Tests checking resolutions for tar file name conflicts"""
+
+    def test_resolve_default(self, default_tartex_obj, monkeypatch):
+        """Test when user response is not workable"""
+        t_con = default_tartex_obj
+        t_con.tar_files()
+
+        # Monkeypatch empty response for input
+        monkeypatch.setattr("builtins.input", lambda resolve: "")
+
+        # Trying to create tar file again will lead to conflic res dialog
+        # Blank user input (from monkeypatch) will raise SystemExit
+        with pytest.raises(SystemExit) as exc:
+            t_con.tar_files()
+
+        assert "Not overwriting existing tar file" in exc.value.code
+
+    def test_resolve_quit(self, default_tartex_obj, monkeypatch):
+        """Test when user response is not workable"""
+        t_con = default_tartex_obj
+        t_con.tar_files()
+
+        # Monkeypatch empty response for input
+        monkeypatch.setattr("builtins.input", lambda resolve: "q")
+
+        # Trying to create tar file again will lead to conflic res dialog
+        # Blank user input (from monkeypatch) will raise SystemExit
+        with pytest.raises(SystemExit) as exc:
+            t_con.tar_files()
+
+        assert "Not overwriting existing tar file" in exc.value.code
+
+    def test_resolve_overwrite(self, default_tartex_obj, monkeypatch):
+        """Test overwrite resolution"""
+        t_con = default_tartex_obj
+        t_con.tar_files()
+
+        # Monkeypatch empty response for input
+        monkeypatch.setattr("builtins.input", lambda resolve: "o")
+        t_con.tar_files()
+        output = t_con.tar_file.with_suffix(f".tar.{TAR_DEFAULT_COMP}")
+        assert output.exists() is True
+        with tar.open(output) as rat:
+            assert len(rat.getnames()) == 1
+
+    def test_resolve_newname_good(self, default_tartex_obj, tmpdir, monkeypatch):
+        """Test entering new name that works"""
+        t_con = default_tartex_obj
+        t_con.tar_files()
+
+        output = str(tmpdir / "new.tar.gz")
+        # Monkeypatch responses for choosing a new file name
+        user_inputs = iter(['c', output])
+        monkeypatch.setattr("builtins.input", lambda resolve: next(user_inputs))
+        t_con.tar_files()
+        assert Path(output).exists() is True
+        with tar.open(output) as rat:
+            assert len(rat.getnames()) == 1
+
+    def test_resolve_newname_bad(self, default_tartex_obj, tmpdir, monkeypatch):
+        """Test overwrite resolution"""
+        t_con = default_tartex_obj
+        t_con.tar_files()
+
+        output = str(tmpdir / "test.tar.gz")
+        assert Path(output).exists() is True
+
+        # Monkeypatch responses for choosing file name same as original
+        user_inputs = iter(['c', output])
+        monkeypatch.setattr("builtins.input", lambda resolve: next(user_inputs))
+        with pytest.raises(SystemExit) as exc:
+            t_con.tar_files()
+
+        assert "New name entered is also the same" in exc.value.code