Feat: test in tmp dir and few bug correction

tests/test_pytex.py

@@ -3,42 +3,56 @@
 
 from pytex import feed, pdflatex, clean
 import os
+from shutil import copyfile
+from pathlib import Path
+import pytest
 
-TESTDIR = "tests"
-GOOD_TEMPLATE = TESTDIR + "/tpl_good.tex"
-WRONG_TEMPLATE = TESTDIR + "/tpl_wrong.tex"
+TESTDIR = Path("tests")
+GOOD_TEMPLATE = TESTDIR / "tpl_good.tex"
 
 GOOD_DATA = {
     "name": "Bob",
     "repetitions": 4,
 }
 
-def test_feed_once():
-    output = feed(GOOD_TEMPLATE, GOOD_DATA)
-    os.system(f"rm {output}")
 
-def test_feed_twice():
-    output1 = feed(GOOD_TEMPLATE, GOOD_DATA)
-    output2 = feed(GOOD_TEMPLATE, GOOD_DATA)
-    os.system(f"rm {output1}")
-    os.system(f"rm {output2}")
+@pytest.fixture()
+def prepare_templates(tmpdir):
+    wdir = tmpdir
+    good_tpl = Path(GOOD_TEMPLATE)
+    copyfile(good_tpl, wdir / good_tpl.name)
+    prev_cwd = Path.cwd()
+
+    os.chdir(wdir)
+    yield wdir
+    os.chdir(prev_cwd)
+
+
+def test_feed_once(prepare_templates):
+    output = feed(GOOD_TEMPLATE.name, GOOD_DATA)
+
+
+def test_feed_twice(prepare_templates):
+    output1 = feed(GOOD_TEMPLATE.name, GOOD_DATA)
+    output2 = feed(GOOD_TEMPLATE.name, GOOD_DATA)
+
+
+def test_feed_output(prepare_templates):
+    dest = "./tests/special_name.tex"
+    output = feed(GOOD_TEMPLATE.name, GOOD_DATA, dest)
+    assert output.samefile(dest)
 
-def test_feed_output():
-    dest =  "./tests/special_name.tex"
-    output = feed(GOOD_TEMPLATE, GOOD_DATA, dest)
-    assert(output.samefile(dest))
-    os.system(f"rm {output}")
 
 def test_feed_output_noforce():
     pass
     # output = feed(GOOD_TEMPLATE, GOOD_DATA, )
     # os.system(f"rm {output}")
 
-def test_feed_pdflatex():
-    latex_file = feed(GOOD_TEMPLATE, GOOD_DATA)
+
+def test_feed_pdflatex(prepare_templates):
+    latex_file = feed(GOOD_TEMPLATE.name, GOOD_DATA)
     pdflatex(latex_file)
-    os.system(f"rm {latex_file}")
-    clean(TESTDIR, ["*.aux", "*.log", "*.pdf"])
+    clean(garbages=["*.aux", "*.log", "*.pdf"])
 
 
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