Merge branch 'bugfixes' into 'master'

Bugfixes

See merge request !11

saqc/core/config.py

@@ -6,7 +6,7 @@ class Fields:
     VARNAME = "varname"
     START = "start_date"
     END = "end_date"
-    TESTS = "test*"
+    TESTS = "test"
     PLOT = "plot"
     LINENUMBER = "line"
 

saqc/core/core.py

@@ -88,7 +88,7 @@ def run(
     config = readConfig(config_file, data)
 
     # split config into the test and some 'meta' data
-    tests = config.filter(regex=Fields.TESTS)
+    tests = config.filter(regex=Fields.TESTS + '*')
     meta = config[config.columns.difference(tests.columns)]
 
     # prepapre the flags

saqc/core/reader.py

@@ -125,7 +125,7 @@ def checkConfig(config_df: pd.DataFrame, data: pd.DataFrame, flagger: BaseFlagge
         if pd.isnull(config_row[F.VARNAME]) or not var_name:
             _raise(config_row, SyntaxError, f"non-optional column '{F.VARNAME}' is missing or empty")
 
-        test_fields = config_row.filter(regex=F.TESTS).dropna()
+        test_fields = config_row.filter(regex=F.TESTS + '*').dropna()
         if test_fields.empty:
             _raise(
                 config_row, SyntaxError, f"at least one test needs to be given for variable",

saqc/funcs/constants_detection.py

@@ -22,9 +22,9 @@ def flagConstant(data, field, flagger, thresh, window, **kwargs):
     """
     d = data[field]
 
-    # find all constant values in forward search
+    # find all constant values in a row with a forward search
     r = d.rolling(window=window)
-    mask = (r.max() - r.min()) <= thresh
+    mask = (r.max() - r.min() <= thresh) & (r.count() > 1)
 
     # backward rolling for offset windows hack
     bw = mask[::-1].copy()