Test file checks in Python

Author: hermansje

pythonwhat/State.py

@@ -79,7 +79,7 @@ def __init__(
         self.params = list()
 
         for k, v in args.items():
-            if k not in ["self", "args"]:
+            if k != "self":
                 self.params.append(k)
                 setattr(self, k, v)
 

tests/test_check_files.py

@@ -0,0 +1,29 @@
+from tempfile import NamedTemporaryFile
+
+import pytest
+import tests.helper as helper
+from protowhat.sct_syntax import F
+
+from pythonwhat.local import setup_state
+from protowhat.checks import check_files as cf
+
+
+@pytest.fixture(scope="function")
+def tf():
+    with NamedTemporaryFile() as tmp:
+        tmp.file.write(b"1 + 1")
+        tmp.file.flush()
+        yield tmp
+
+
+def test_file_existence(tf):
+    s = setup_state("", "", pec="")
+
+    child = cf.check_file(s._state, tf.name)
+    assert "1 + 1" in child.student_code
+
+    file_chain = s.check_file(tf.name)
+    assert "1 + 1" in file_chain._state.student_code
+
+    with helper.verify_sct(True):
+        s >> F(attr_scts={"check_file": cf.check_file}).check_file(tf.name)