From 91b5789f71a625bb35df8cbbe2d2ad5f4085894f Mon Sep 17 00:00:00 2001
From: Trevor Campbell <trevor.d.campbell@gmail.com>
Date: Thu, 31 Aug 2023 12:47:01 -0700
Subject: [PATCH] trying to figure out workdir test

---
 nbgrader/preprocessors/instantiatetests.py    | 10 ++-
 .../preprocessors/test_instantiatetests.py    | 65 +++++++++----------
 2 files changed, 40 insertions(+), 35 deletions(-)

diff --git a/nbgrader/preprocessors/instantiatetests.py b/nbgrader/preprocessors/instantiatetests.py
index 6e85e1fdd..5578df4a0 100644
--- a/nbgrader/preprocessors/instantiatetests.py
+++ b/nbgrader/preprocessors/instantiatetests.py
@@ -133,10 +133,16 @@ def preprocess(self, nb, resources):
                 self.log.debug('Starting client for kernel %s at path %s', kernel_name, resources_path if resources_path is not None else '')
                 km, self.kc = start_new_kernel(kernel_name=kernel_name, cwd=resources_path)
 
+                self.log.error('here is the notebook before')
+                self.log.error(nb)
+
                 # run the preprocessor
                 self.log.debug('Running InstantiateTests preprocessor')
                 nb, resources = super(InstantiateTests, self).preprocess(nb, resources)
 
+                self.log.error('here is the notebook after')
+                self.log.error(nb)
+
                 # shut down and cleanup the kernel
                 self.log.debug('Shutting down / cleaning up kernel')
                 km.shutdown_kernel()
@@ -161,11 +167,11 @@ def preprocess_cell(self, cell, resources, index):
         # get the comment string for this language
         comment_str = self.comment_strs[resources["kernel_name"]]
 
-        # seed the salt generator for this cell 
+        # seed the salt generator for this cell
         # avoid actual random seeds so that release versions are consistent across
         # calls to nbgrader generate_assignment
         salt_int = int(hashlib.sha256((cell.source+str(index)).encode('utf-8')).hexdigest(), 16) % 10**6
-        
+
         # split the code lines into separate strings
         lines = cell.source.split("\n")
 
diff --git a/nbgrader/tests/preprocessors/test_instantiatetests.py b/nbgrader/tests/preprocessors/test_instantiatetests.py
index cbba850f0..ff34ec69d 100644
--- a/nbgrader/tests/preprocessors/test_instantiatetests.py
+++ b/nbgrader/tests/preprocessors/test_instantiatetests.py
@@ -87,40 +87,40 @@ def test_consistent_release_version(self, preprocessor):
         nb2, resources2 = preprocessor.preprocess(nb2, resources2)
         assert nb1['cells'][1]['source'] == nb2['cells'][1]['source']
 
-    ## test that autotest starts a kernel that uses the `path` metadata as working directory
-    #def test_kernel_workingdir(self, preprocessor, caplog):
-    #    sol_cell = create_autotest_solution_cell()
-    #    test_cell = create_autotest_test_cell()
-    #    load_cell = create_file_loader_cell('grades.csv')
-    #    test_cell.metadata['nbgrader'] = {'grade': True}
+    # test that autotest starts a kernel that uses the `path` metadata as working directory
+    def test_kernel_workingdir(self, preprocessor, caplog):
+        sol_cell = create_autotest_solution_cell()
+        test_cell = create_autotest_test_cell()
+        load_cell = create_file_loader_cell('grades.csv')
+        test_cell.metadata['nbgrader'] = {'grade': True}
 
-    #    # with the right path, the kernel should load the file
-    #    nb = new_notebook()
-    #    nb.metadata['kernelspec'] = {
-    #        "name": "python3"
-    #    }
-    #    nb.cells.append(sol_cell)
-    #    nb.cells.append(test_cell)
-    #    nb.cells.append(load_cell)
-    #    resources = {
-    #        'metadata': {'path': 'nbgrader/docs/source/user_guide/'}
-    #    }
-    #    nb, resources = preprocessor.preprocess(nb, resources)
+        # with the right path, the kernel should load the file
+        nb = new_notebook()
+        nb.metadata['kernelspec'] = {
+            "name": "python3"
+        }
+        nb.cells.append(sol_cell)
+        nb.cells.append(test_cell)
+        nb.cells.append(load_cell)
+        resources = {
+            'metadata': {'path': 'nbgrader/docs/source/user_guide/'}
+        }
+        nb, resources = preprocessor.preprocess(nb, resources)
 
-    #    # without the right path, the kernel should report an error
-    #    nb = new_notebook()
-    #    nb.metadata['kernelspec'] = {
-    #        "name": "python3"
-    #    }
-    #    nb.cells.append(sol_cell)
-    #    nb.cells.append(test_cell)
-    #    nb.cells.append(load_cell)
-    #    resources = {
-    #        'metadata': {'path': 'nbgrader/docs/source/user_guide/source/'}
-    #    }
-    #    with pytest.raises(Exception):
-    #        nb, resources = preprocessor.preprocess(nb, resources)
-    #    assert "FileNotFoundError" in caplog.text
+        # without the right path, the kernel should report an error
+        nb = new_notebook()
+        nb.metadata['kernelspec'] = {
+            "name": "python3"
+        }
+        nb.cells.append(sol_cell)
+        nb.cells.append(test_cell)
+        nb.cells.append(load_cell)
+        resources = {
+            'metadata': {'path': 'nbgrader/docs/source/user_guide/source/'}
+        }
+        with pytest.raises(Exception):
+            nb, resources = preprocessor.preprocess(nb, resources)
+        assert "FileNotFoundError" in caplog.text
 
     # test that a warning is thrown when we set enforce_metadata = False and have an AUTOTEST directive in a
     # non-grade cell
@@ -159,7 +159,6 @@ def test_error_autotest_nongrade(self, preprocessor, caplog):
         with pytest.raises(Exception):
             nb, resources = preprocessor.preprocess(nb, resources)
 
-        assert False, caplog.text
         assert "AutoTest region detected in a non-grade cell; " in caplog.text
 
     # test that invalid python statements in AUTOTEST directives cause errors