elyezer

import unicodedata

with file('unicode_catalog.txt', 'w') as f:
    for i in xrange(int(0x10FFFF)):
        try:
            f.write('{}->{}\n'.format(hex(i), unicodedata.category(unichr(i))))
        except:
            pass

elyezer

tmux cheat sheet

Session Control (from the command line)

tmux            Start a new session
tmux attach     Re-attach a detached session
tmux attach -d  Re-attach a detached session (and detach it from elsewhere)

Pane Control

elyezer

import types


class HammerMeta(type):
    def __new__(cls, name, bases, attrs):
        for key, value in attrs.items():
            if isinstance(value, HammerCommand):
                value.__name__ = key  # to correctly allow inspecting methods
                if value.command is None:
                    # syntatic sugar to avoid repeating the command

elyezer

# Without the improvements
test_something():
    try:
        entity = make_entity()
    except CLIFactoryError as err:
        self.fail(err)
        
    result = Entity.list()
    assert result.return_code == 0
    assert len(result.stderr) == 0

elyezer

#!/bin/bash +e

# allow change to pass-in display argument
DISPLAY=$1
: ${DISPLAY:=:1}
export DISPLAY

echo "=== network before $0 ==="
netstat -na | grep "LISTEN "
echo

elyezer

#!/bin/bash -e

# allow change to pass-in display argument
DISPLAY=$1
: ${DISPLAY:=:1}
export DISPLAY

echo "Starting VNC server"
vncserver ${DISPLAY} -geometry 1280x1024

elyezer

        vm = VirtualMachine()

        def create_mock():
            vm._created = True
            vm.ip_addr = '192.168.0.1'

        with patch.object(vm, 'create', side_effect=create_mock):
            vm.create()

        vm.run('ls')

elyezer

# Test body
with VirtualMachine(ram=512, cpu=1, os='rhel7') as vm:
    stdout, stderr = vm.command('echo "hellow world"')
    vm.ip_addr
    vm.hostname

# one vm for a test case
class ClientTestCase(UnitTest):
    def setUp(self):
        self.vm = VirtualMachine(...)

elyezer

How to configure a jenkins slave. On the slave setup a jenkins user and add the master SSH public key on the authorized_keys file.

useradd -m jenkins
su - jenkins -c "mkdir /home/jenkins/.ssh"
su - jenkins -c "chmod 700 ~/.ssh"
su - jenkins -c "chmod 600 ~/.ssh/*"
su - jenkins -c "restorecon -R -v ~/.ssh"
su - jenkins -c "vim /home/jenkins/.ssh/authorized_keys"

elyezer

#!/bin/bash

export SELENIUM_HOST=ondemand.saucelabs.com
export SELENIUM_PORT=4444
export SELENIUM_PLATFORM=Linux
export SELENIUM_BROWSER=firefox
export SELENIUM_VERSION=23
export SAUCE_USER_NAME=<username>
export SAUCE_API_KEY=<api_key>
export SELENIUM_DRIVER="sauce-ondemand:?os=$SELENIUM_PLATFORM&browser=$SELENIUM_BROWSER&browser-version=$SELENIUM_VERSION&username=$SAUCE_USER_NAME&access-key=$SAUCE_API_KEY"