def test_svl_plot_error(svl_source):
""" Tests that the svl function raises a SvlPlotError when there is an
error in a plot specification.
"""
svl_source = """{}
LINE bigfoot X date BY YEAR TITLE "Annual Bigfoot Sightings"
""".format(svl_source)
with pytest.raises(SvlPlotError, match="Plot error:"):
svl(svl_source)
def test_svl_syntax_error(svl_source):
""" Tests that the svl function raises a SvlSyntaxError when there is a
syntax error in the source.
"""
svl_source = """{}
LINE bigfoot X X date BY YEAR Y report_number COUNT
""".format(svl_source)
with pytest.raises(SvlSyntaxError, match="Syntax error"):
svl(svl_source)
def test_svl_datasets(svl_source):
""" Tests that the svl function works when additional datasets are
specified.
"""
svl(
svl_source,
datasets=[
"bigfoot={}/test_datasets/bigfoot_sightings.csv".format(
CURRENT_DIR)
],
)
def test_svl_dataset_error(svl_source):
""" Tests that the svl function raises a ValueError when the additional
datasets are incorrectly specified.
"""
with pytest.raises(ValueError, match="name=path"):
svl(
svl_source,
datasets=[
"bigfoot:{}/test_datasets/bigfoot_sightings.csv".format(
CURRENT_DIR)
],
)
def test_svl_data_load_error():
""" Tests that the svl function raises a SvlDataLoadError when there's an
incorrectly specified SQL dataset.
"""
svl_source = """
DATASETS
bigfoot "{}/test_datasets/bigfoot_sightings.csv"
bigfoot_failure SQL "SELECT date FROM bigfoots"
HISTOGRAM bigfoot
X temperature_mid BINS 25
""".format(CURRENT_DIR)
with pytest.raises(SvlDataLoadError, match="Error loading data"):
svl(svl_source)
def test_svl_data_processing_error():
""" Tests that the svl function raises a SvlDataProcessingError when there
is an incorrectly specified custom SQL statement in the plot.
"""
svl_source = """
DATASETS
bigfoot "{}/test_datasets/bigfoot_sightings.csv"
LINE bigfoot
X date by year label "year"
Y date count label "number of sightings"
SPLIT BY classification
FILTER "daet > 1990-01-01"
""".format(CURRENT_DIR)
with pytest.raises(SvlDataProcessingError,
match="Error processing plot data"):
svl(svl_source)
def test_svl_offline_js(svl_source):
""" Tests that the svl function works when the offline_js option is
specified.
"""
svl(svl_source, offline_js=True)
def test_svl_debug(svl_source):
""" Tests that the svl function works when the debug option is specified.
"""
answer = svl(svl_source, debug=True)
assert "<" not in answer
def test_svl(svl_source):
""" Tests that the svl function works when the script is correct.
"""
svl(svl_source)
def test_svl_not_implemented_error(svl_source):
""" Tests that the svl function raises a NotImplementedError when the
selected backend has not been implemented.
"""
with pytest.raises(NotImplementedError, match="Unable to use"):
svl(svl_source, backend="vega")
def test_svl_missing_file_error(svl_source):
""" Tests that the svl function raises a SvlMissingFileError when there is
a missing file.
"""
with pytest.raises(SvlMissingFileError, match="File"):
svl(svl_source, datasets=["ufos={}/test_datasets/ufo_sightings.csv"])
