Test: Disentangled the backslash mess

test/tw-1436.t

@@ -32,7 +32,7 @@ import unittest
 # Ensure python finds the local simpletap module
 sys.path.append(os.path.dirname(os.path.abspath(__file__)))
 
-from basetest import Task, TestCase
+from basetest import Task, TestCase, utils
 
 
 class TestBug1436(TestCase):
@@ -41,21 +41,46 @@ class TestBug1436(TestCase):
 
     def test_parser_hangs_with_slashes(self):
         """Parser hangs with backslashes"""
-        expected = "Cheer everyone up \o/"
+
-        code, out, err = self.t(("add", expected))
+        # Yes, seven:
+        #   Python turns \\ --> \, therefore \\\\\\\o/ --> \\\\o/
+        #   Some process launch thing does the same, therefore \\\\o/ --> \\o/
+        #   Taskwarrior sees \\o/, which means \o/
+        code, out, err = self.t("add Cheer everyone up \\\\\\\o/")
         self.assertIn("Created task 1", out)
 
-        code, out, err = self.t(("list",))
+        code, out, err = self.t("_get 1.description")
-        self.assertIn(expected, out)
+        self.assertEqual("Cheer everyone up \\o/\n", out)
 
     def test_parser_ending_escape_slash(self):
         """Task created but not found with ending backslash"""
-        code, out, err = self.t(("add", "Use this backslash \\\\"))
+
+        # Yes, eight:
+        #   Python turns \\ --> \, therefore \\\\\\\\ --> \\\\
+        #   Some process launch thing does the same, therefore \\\\ --> \\
+        #   Taskwarrior sees \\, which means \
+        code, out, err = self.t("add Use this backslash \\\\\\\\")
         self.assertIn("Created task 1", out)
 
         code, out, err = self.t(("list",))
         self.assertIn("Use this backslash \\", out)
 
+    def test_backslashes(self):
+        """Prove to the reader that backslashes are eaten twice (which means
+           \\ --> \) once by Python, and once more by some mystery process
+           launch thing.
+
+           This problem is entirely testing artifact, and not Taskwarrior.
+        """
+        self.echo = Task(taskw=utils.binary_location("/bin/echo"))
+
+        code, out, err = self.echo("xxx \\\\\\\\yyy zzz")       # Shows as 'xxx \\yyy zzz'
+        self.tap(out)
+        code, out, err = self.echo("xxx \\\\yyy zzz")           # Shows as 'xxx \yyy zzz'
+        self.tap(out)
+        code, out, err = self.echo("xxx \\yyy zzz")             # Shows as 'xxx yyy zzz'
+        self.tap(out)
+
 
 if __name__ == "__main__":
     from simpletap import TAPTestRunner