select word on double click

testlogfilemodel.py

@@ -1,9 +1,11 @@
 import unittest
 import tempfile
+from configparser import ConfigParser
 from os.path import join
 
 from logFileModel import LogFileModel
 from line import Line
+from settings import Settings
 
 
 class TestLogFileModel(unittest.TestCase):
@@ -11,7 +13,7 @@ class TestLogFileModel(unittest.TestCase):
     def setUp(self):
         self.test_dir = tempfile.TemporaryDirectory()
         self.tmpfile = join(self.test_dir.name, "my.log")
-        self.model = LogFileModel(self.tmpfile)
+        self.model = LogFileModel(self.tmpfile, Settings(ConfigParser()))
 
     def tearDown(self):
         self.test_dir.cleanup()
@@ -31,7 +33,7 @@ class TestLogFileModel(unittest.TestCase):
 
     def test_load_from_middle_of_first_line(self):
         self.write_str("abc\ndef\nghi\njkl")
-        expected_lines = ["def", "ghi", "jkl"]
+        expected_lines = ["abc", "def", "ghi"]
 
         lines = self.model.data(1, 0, 3)
 
@@ -40,7 +42,7 @@ class TestLogFileModel(unittest.TestCase):
 
     def test_read_from_newline_character(self):
         self.write_str("abc\ndef\nghi\njkl")
-        expected_lines = ["def", "ghi"]
+        expected_lines = ["abc", "def"]
 
         lines = self.model.data(3, 0, 2)
 
@@ -137,6 +139,37 @@ class TestLogFileModel(unittest.TestCase):
         line_str = [l.line() for l in lines]
         self.assertEqual(expected_lines, line_str)
 
+    def test_read_word_at_middle_of_line(self):
+        text = "0___\nlorem ipsum dolor sit amet\n2___"
+        self.write_str(text)
+        expected = ("ipsum", text.index("ipsum"), text.index("ipsum") + len("ipsum"))
+        actual = self.model.read_word_at(text.index("ipsum") + 2)
+        self.assertEqual(expected, actual)
+
+    def test_read_word_at_start_of_line(self):
+        text = "0___\nlorem ipsum dolor sit amet\n2___"
+        word = "lorem"
+        self.write_str(text)
+        expected = (word, text.index(word), text.index(word) + len(word))
+        actual = self.model.read_word_at(text.index(word))
+        self.assertEqual(expected, actual)
+
+    def test_read_word_at_end_of_line(self):
+        text = "0___\nlorem ipsum dolor sit amet\n2___"
+        word = "amet"
+        self.write_str(text)
+        expected = (word, text.index(word), text.index(word) + len(word))
+        actual = self.model.read_word_at(text.index(word))
+        self.assertEqual(expected, actual)
+
+    def test_read_word_at_beginning_of_file(self):
+        text = "lorem ipsum dolor sit amet\n1___"
+        word = "lorem"
+        self.write_str(text)
+        expected = (word, text.index(word), text.index(word) + len(word))
+        actual = self.model.read_word_at(text.index(word))
+        self.assertEqual(expected, actual)
+
 if __name__ == '__main__':
     unittest.main()