update between tester with min_r and max_p

tests/test_between_correls.py

@@ -2,6 +2,7 @@
 from SCNIC.general import simulate_correls
 from SCNIC.between_correls import between_correls
 from biom.util import biom_open
+import pytest
 
 
 def test_between_correls(tmpdir):
@@ -13,7 +14,14 @@ def test_between_correls(tmpdir):
     with biom_open(str(loc.join("table2.biom")), 'w') as f:
         table2.to_hdf5(f, 'madebyme')
     os.chdir(str(loc))
-    between_correls('table1.biom', 'table2.biom', 'out_dir', correl_method='pearson', max_p=.1)
-    files = os.listdir(str(loc)+'/out_dir')
+
+    # P value based module making is not yet implemented, check this
+    with pytest.raises(Exception) as exc_info:   
+        between_correls('table1.biom', 'table2.biom', 'out_dir', correl_method='pearson', max_p=.1)
+    assert exc_info.value.args[0] == "SCNIC does not currently support module making based on p-values."
+
+    # Run with min r threshold and check that files exist
+    between_correls('table1.biom', 'table2.biom', 'out_dir_2', correl_method='pearson', min_r=.2)
+    files = os.listdir(str(loc)+'/out_dir_2')
     assert "correls.txt" in files
     assert "crossnet.gml" in files