An attempt to fix tests

.travis.yml

@@ -20,7 +20,6 @@ install:
   - Xvfb :1 &
 
 script:
-  - cd dotplot
   - DISPLAY=:1 python3 -m pytest -v
   - DISPLAY=:1 python3 -m pytest -v --cov=.
 

dotplot/matrices.py

@@ -1,4 +1,5 @@
 """This module works with similarity matrices of aminoacids"""
+import os
 
 
 available_matrices = {
@@ -73,7 +74,11 @@ def normalize(self, matrix):
     @staticmethod
     def read_raw_matrix(filename):
         """This function converts the matrix into a dictionary"""
-        with open(filename) as f:
+        path = os.path.join(
+            os.path.dirname(os.path.realpath(__file__)),
+            filename
+        )
+        with open(path) as f:
             lines = f.readlines()
             matrix = {}
             # read aminoacids' order from first line and make all the letters

dotplot/tests/gui/test_options.py → tests/gui/test_options.py

@@ -1,9 +1,9 @@
-from gui.options import OptionPanel
-from gui.options import WindowSize
-from gui.options import Stringency
-from gui.options import ShowSequence
-from gui.options import Matrix
-from gui.helpers import Option
+from dotplot.gui.options import OptionPanel
+from dotplot.gui.options import WindowSize
+from dotplot.gui.options import Stringency
+from dotplot.gui.options import ShowSequence
+from dotplot.gui.options import Matrix
+from dotplot.gui.helpers import Option
 from copy import copy
 
 

dotplot/tests/test_argument_parser.py → tests/test_argument_parser.py

@@ -1,6 +1,6 @@
 import pytest
 import argparse
-from argument_parser import positive_int
+from dotplot.argument_parser import positive_int
 
 
 def test_positive_int():

dotplot/tests/test_dotplot.py → tests/test_dotplot.py

@@ -1,4 +1,4 @@
-from main import main
+from dotplot.main import main
 
 
 def test_main():

dotplot/tests/test_matrices.py → tests/test_matrices.py

@@ -1,4 +1,4 @@
-from matrices import SimilarityMatrix
+from dotplot.matrices import SimilarityMatrix
 from argparse import Namespace
 
 

dotplot/tests/test_plotter.py → tests/test_plotter.py

@@ -1,5 +1,5 @@
-from plotter import Plotter
-from sequence import Sequence
+from dotplot.plotter import Plotter
+from dotplot.sequence import Sequence
 
 
 class DummyNamespace: