def test_get_time():
jpkfile = datadir / "spot3-0192.jpk-force"
jpkr = JPKReader(jpkfile)
time1 = jpkr.get_data(column="time", index=0, segment=0)
time2 = jpkr.get_data(column="time", index=0, segment=1)
m1 = jpkr.get_metadata(0, 0)
m2 = jpkr.get_metadata(0, 1)
assert np.allclose(m1["duration"], time2[0])
assert len(time1) == m1["point count"]
assert len(time2) == m2["point count"]
assert np.all(time1 < m1["duration"])
assert np.all(time2 < (m1["duration"] + m2["duration"]))
md = jpkr.get_metadata(0)
assert md["duration"] == m1["duration"] + m2["duration"]
assert md["point count"] == m1["point count"] + m2["point count"]
def test_load_jpk():
jpkfile = datadir / "spot3-0192.jpk-force"
jpkr = JPKReader(jpkfile)
md = jpkr.get_metadata(0, 1)
assert md["imaging mode"] == "force-distance"
assert len(jpkr) == 1, "Only one measurement"
assert len(jpkr.get_index_segment_numbers(0)) == 2, "approach and retract"
def test_get_both_metadata():
jpkfile = datadir / "spot3-0192.jpk-force"
jpkr = JPKReader(jpkfile)
md1 = jpkr.get_metadata(index=0, segment=0)
md2 = jpkr.get_metadata(index=0, segment=1)
md = jpkr.get_metadata(index=0, segment=None)
for key1 in md1:
if key1 in ["duration", "point count"]:
assert md1[key1] != md[key1], key1
else:
assert md1[key1] == md[key1], key1
for key2 in md2:
if key2 in ["duration", "point count", "time"]:
# time from approach curve should be used
assert md2[key2] != md[key2], key2
else:
assert md2[key2] == md[key2], key2
def test_meta():
jpkfile = datadir / "spot3-0192.jpk-force"
jpkr = JPKReader(jpkfile)
md = jpkr.get_metadata(0, 1)
assert md["spring constant"] == 0.043493666407368466
def test_meta_single():
jpkfile = datadir / "spot3-0192.jpk-force"
jpkr = JPKReader(jpkfile)
md = jpkr.get_metadata(index=0, segment=0)
assert md["imaging modality"] == "force-distance"
assert md["duration"] == 0.9999999999999998
def test_meta_simple():
jpkfilemap = datadir / "map0d_extracted.jpk-force-map"
jpkr = JPKReader(jpkfilemap)
jpkr.get_metadata(index=0, segment=0)