tests added for cleaning

tests/test_cleaning.py

@@ -0,0 +1,39 @@
+import glidertools as gt
+
+filenames = './tests/data/p542*.nc'
+names = [
+    'ctd_depth',
+    'ctd_time',
+    'ctd_pressure',
+    'salinity',
+    'temperature',
+    'eng_wlbb2flvmt_Chlsig',
+    'eng_wlbb2flvmt_wl470sig',
+    'eng_wlbb2flvmt_wl700sig',
+    'aanderaa4330_dissolved_oxygen',
+    'eng_qsp_PARuV',
+]
+
+sg542 = gt.load.seaglider_basestation_netCDFs(
+    filenames, names, return_merged=True, keep_global_attrs=False
+)
+
+sg542_dat = sg542['sg_data_point']
+
+
+def test_outlier_bounds():
+    # does not test for soft bugs
+    salt = sg542_dat['salinity']
+    gt.cleaning.outlier_bounds_iqr(salt, multiplier=1.5)
+
+
+def test_horizontal_outliers():
+    # does not test for soft bugs
+    gt.cleaning.horizontal_diff_outliers(
+        sg542_dat['dives'],
+        sg542_dat['ctd_depth'],
+        sg542_dat['salinity'],
+        multiplier=3,
+        depth_threshold=400,
+        mask_frac=0.1,
+    )