added some preliminary files for table flow

1 files changed, 50 insertions, 0 deletions

diff --git a/tests/test_tableflow.py b/tests/test_tableflow.py
new file mode 100644
index 0000000..6b16046
--- /dev/null
+++ b/tests/test_tableflow.py
@@ -0,0 +1,50 @@
+import pytest
+import qolab.tableflow as tblfl
+import pandas as pd
+
+def test_noinputs():
+    assert tblfl.loadInOutTables() == (None, None)
+    assert tblfl.loadInOutTables(inputFileName=None, outputFileName="non_existing_file") == (None, None)
+
+def test_wrong_comment():
+    with pytest.raises(Exception) as exc_info:
+        # should raise ParserError
+        tblfl.loadInOutTables(inputFileName='tests/tableflow_test_data/tableIn1.csv', outputFileName=None, comment='%')
+
+def test_right_comment():
+    tIn,tOut = tblfl.loadInOutTables(inputFileName='tests/tableflow_test_data/tableIn1.csv', outputFileName=None, comment='#')
+    assert type(tIn) == pd.core.frame.DataFrame
+
+def test_right_comment():
+    tIn,tOut = tblfl.loadInOutTables(inputFileName='tests/tableflow_test_data/tableIn1.csv', outputFileName=None, comment='#')
+    assert type(tIn) == pd.core.frame.DataFrame
+
+
+def test_for_existing_row():
+    tbl1 = pd.DataFrame( {'a':[1,2,3], 'b':[1,4,6]})
+    r = pd.Series({'a':2, 'b':4})
+    assert tblfl.ilocRowOrAdd(tbl1, r) == 1
+
+def test_for_existing_row_with_NA():
+    # NA in both table and raw should return a hit
+    tbl1 = pd.DataFrame( {'a':[1,2,3], 'b':[1,pd.NA,6]})
+    r = pd.Series({'a':2, 'b':pd.NA})
+    assert tblfl.ilocRowOrAdd(tbl1, r) == 1
+
+    # should insert new row
+    tbl1 = pd.DataFrame( {'a':[1,2,3], 'b':[1,4,6]})
+    r = pd.Series({'a':2, 'b':pd.NA})
+    assert tblfl.ilocRowOrAdd(tbl1, r) == 3
+
+    # should insert new row
+    tbl1 = pd.DataFrame( {'a':[1,2,3], 'b':[1,4,6]})
+    r = pd.Series({'a':2, 'b':pd.NA})
+    assert tblfl.ilocRowOrAdd(tbl1, r) == 3
+
+def test_for_nonexisting_row_and_its_insertion():
+    tbl1 = pd.DataFrame( {'a':[1,2,3], 'b':[1,4,6]})
+    r = pd.Series({'a':2, 'b':10})
+    assert len(tbl1) == 3
+    assert tblfl.ilocRowOrAdd(tbl1, r) == 3
+    assert len(tbl1) == 4
+