switch from nano to ex

.travis.yml

@@ -6,10 +6,6 @@ python:
   - "3.5"
   - "3.6"
 
-before_install:
-  - sudo apt-get -qq update
-  - sudo apt-get install -y nano
-
 install: 
   - pip install . pytest mock codecov==1.5.1 behave pexpect==3.3
 

tests/features/environment.py

@@ -15,7 +15,7 @@ def before_all(context):
     os.environ['LINES'] = "100"
     os.environ['COLUMNS'] = "100"
     os.environ['PAGER'] = 'cat'
-    os.environ['EDITOR'] = 'nano'
+    os.environ['EDITOR'] = 'ex'
     os.environ["COVERAGE_PROCESS_START"] = os.getcwd() + "/../.coveragerc"
 
     context.exit_sent = False

tests/features/steps/iocommands.py

@@ -16,21 +16,22 @@ def step_edit_file(context):
     if os.path.exists(context.editor_file_name):
         os.remove(context.editor_file_name)
     context.cli.sendline('\e {0}'.format(context.editor_file_name))
-    wrappers.expect_exact(context, 'nano', timeout=2)
+    wrappers.expect_exact(context, 'Entering Ex mode.  Type "visual" to go to Normal mode.', timeout=2)
+    wrappers.expect_exact(context, '\r\n:', timeout=2)
 
 
 @when('we type sql in the editor')
 def step_edit_type_sql(context):
+    context.cli.sendline('i')
     context.cli.sendline('select * from abc')
-    # Write the file.
-    context.cli.sendcontrol('o')
-    # Confirm file name sending "enter".
-    context.cli.sendcontrol('m')
+    context.cli.sendline('.')
+    wrappers.expect_exact(context, ':', timeout=2)
 
 
 @when('we exit the editor')
 def step_edit_quit(context):
-    context.cli.sendcontrol('x')
+    context.cli.sendline('x')
+    wrappers.expect_exact(context, "written", timeout=2)
 
 
 @then('we see the sql in prompt')