def test_preprocess_text_solution_cell_no_region(self, preprocessor):
"""Is a text grade cell correctly cleared when there is no solution region?"""
cell = create_text_cell()
cell.metadata['nbgrader'] = dict(solution=True)
cell = preprocessor.preprocess_cell(cell, {}, 1)[0]
assert cell.source == "YOUR ANSWER HERE"
assert cell.metadata.nbgrader['solution']
def test_preprocess_text_cell_no_region(self, preprocessor):
"""Is a text grade cell not cleared when there is no solution region?"""
cell = create_text_cell()
cell.metadata['nbgrader'] = dict()
cell = preprocessor.preprocess_cell(cell, {}, 1)[0]
assert cell.source == "this is the answer!\n"
assert not cell.metadata.nbgrader.get('solution', False)
def test_preprocess_text_cell_no_region(self, preprocessor):
"""Is a text grade cell correctly cleared when there is no solution region?"""
cell = create_text_cell()
cell.metadata['nbgrader'] = dict()
cell = preprocessor.preprocess_cell(cell, {}, 1)[0]
assert cell.source == "this is the answer!\n"
assert not cell.metadata.nbgrader.get('solution', False)
def test_preprocess_text_solution_cell_no_region(self, preprocessor):
"""Is a text grade cell correctly cleared when there is no solution region?"""
cell = create_text_cell()
cell.metadata['nbgrader'] = dict(solution=True)
cell = preprocessor.preprocess_cell(cell, {}, 1)[0]
assert cell.source == "YOUR ANSWER HERE"
assert cell.metadata.nbgrader['solution']
def test_replace_solution_region_no_end(self, preprocessor):
"""Is an error thrown when there is no end solution statement?"""
cell = create_text_cell()
cell.source = dedent(
"""
something something
### BEGIN SOLUTION
this is the answer!
"""
).strip()
with pytest.raises(RuntimeError):
preprocessor._replace_solution_region(cell)
def test_replace_solution_region_no_end(self, preprocessor):
"""Is an error thrown when there is no end solution statement?"""
cell = create_text_cell()
cell.source = dedent(
"""
something something
### BEGIN SOLUTION
this is the answer!
"""
).strip()
with pytest.raises(RuntimeError):
preprocessor._replace_solution_region(cell)
def test_replace_solution_region_text(self, preprocessor):
"""Are solution regions in text cells correctly replaced?"""
cell = create_text_cell()
cell.source = dedent(
"""
something something
### BEGIN SOLUTION
this is the answer!
### END SOLUTION
"""
).strip()
replaced_solution = preprocessor._replace_solution_region(cell)
assert replaced_solution
assert cell.source == "something something\nYOUR ANSWER HERE"
def test_preprocess_text_cell_region(self, preprocessor):
"""Is an error thrown when a solution region exists in a non-solution text cell?"""
cell = create_text_cell()
cell.source = dedent(
"""
something something
### BEGIN SOLUTION
this is the answer!
### END SOLUTION
"""
).strip()
with pytest.raises(RuntimeError):
preprocessor.preprocess_cell(cell, {}, 1)
def test_preprocess_text_cell_region(self, preprocessor):
"""Is an error thrown when a solution region exists in a non-solution text cell?"""
cell = create_text_cell()
cell.source = dedent(
"""
something something
### BEGIN SOLUTION
this is the answer!
### END SOLUTION
"""
).strip()
with pytest.raises(RuntimeError):
preprocessor.preprocess_cell(cell, {}, 1)
def test_replace_solution_region_text(self, preprocessor):
"""Are solution regions in text cells correctly replaced?"""
cell = create_text_cell()
cell.source = dedent(
"""
something something
### BEGIN SOLUTION
this is the answer!
### END SOLUTION
"""
).strip()
replaced_solution = preprocessor._replace_solution_region(cell)
assert replaced_solution
assert cell.source == "something something\nYOUR ANSWER HERE"
def test_preprocess_text_cell_region(self, preprocessor):
"""Is a text grade cell correctly cleared when there is a solution region?"""
cell = create_text_cell()
cell.source = dedent(
"""
something something
### BEGIN SOLUTION
this is the answer!
### END SOLUTION
"""
).strip()
cell = preprocessor.preprocess_cell(cell, {}, 1)[0]
assert cell.source == "something something\nYOUR ANSWER HERE"
assert cell.metadata.nbgrader['solution']
def test_preprocess_text_solution_cell_region(self, preprocessor):
"""Is a text grade cell correctly cleared when there is a solution region?"""
cell = create_text_cell()
cell.source = dedent(
"""
something something
### BEGIN SOLUTION
this is the answer!
### END SOLUTION
"""
).strip()
cell.metadata['nbgrader'] = dict(solution=True)
cell = preprocessor.preprocess_cell(cell, {}, 1)[0]
assert cell.source == "something something\nYOUR ANSWER HERE"
assert cell.metadata.nbgrader['solution']
def test_print_error_markdown_cell(self, preprocessor, stream):
cell = create_text_cell()
preprocessor.stream = stream
preprocessor.width = 20
preprocessor._print_error(cell)
expected = dedent("""
====================
The following cell failed:
this is the a...
The error was:
You did not p...
""")
assert stream.getvalue() == expected
def test_print_error_markdown_cell(self, preprocessor, stream):
cell = create_text_cell()
preprocessor.stream = stream
preprocessor.width = 20
preprocessor._print_error(cell)
expected = dedent(
"""
====================
The following cell failed:
this is the a...
The error was:
You did not p...
"""
)
assert stream.getvalue() == expected
def test_text_cell_no_checksum(self, preprocessor):
"""Test that no checksum is computed for a regular text cell"""
cell, _ = preprocessor.preprocess_cell(
create_text_cell(), {}, 0)
assert "nbgrader" not in cell.metadata or "checksum" not in cell.metadata.nbgrader
def test_dont_replace_solution_region(self, preprocessor):
"""Is false returned when there is no solution region?"""
cell = create_text_cell()
replaced_solution = preprocessor._replace_solution_region(cell)
assert not replaced_solution
def test_text_cell_no_checksum(self, preprocessor):
"""Test that no checksum is computed for a regular text cell"""
cell, _ = preprocessor.preprocess_cell(create_text_cell(), {}, 0)
assert "nbgrader" not in cell.metadata or "checksum" not in cell.metadata.nbgrader
def test_dont_replace_solution_region(self, preprocessor):
"""Is false returned when there is no solution region?"""
cell = create_text_cell()
replaced_solution = preprocessor._replace_solution_region(cell)
assert not replaced_solution