ssh-audit/test/test_version_compare.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import pytest


# pylint: disable=attribute-defined-outside-init
class TestVersionCompare(object):
	@pytest.fixture(autouse=True)
	def init(self, ssh_audit):
		self.ssh = ssh_audit.SSH
	
	def get_dropbear_software(self, v):
		b = self.ssh.Banner.parse('SSH-2.0-dropbear_{0}'.format(v))
		return self.ssh.Software.parse(b)
	
	def get_openssh_software(self, v):
		b = self.ssh.Banner.parse('SSH-2.0-OpenSSH_{0}'.format(v))
		return self.ssh.Software.parse(b)
	
	def get_libssh_software(self, v):
		b = self.ssh.Banner.parse('SSH-2.0-libssh-{0}'.format(v))
		return self.ssh.Software.parse(b)
	
	def test_dropbear_compare_version_pre_years(self):
		s = self.get_dropbear_software('0.44')
		assert s.compare_version(None) == 1
		assert s.compare_version('') == 1
		assert s.compare_version('0.43') > 0
		assert s.compare_version('0.44') == 0
		assert s.compare_version(s) == 0
		assert s.compare_version('0.45') < 0
		assert s.between_versions('0.43', '0.45')
		assert s.between_versions('0.43', '0.43') is False
		assert s.between_versions('0.45', '0.43') is False
	
	def test_dropbear_compare_version_with_years(self):
		s = self.get_dropbear_software('2015.71')
		assert s.compare_version(None) == 1
		assert s.compare_version('') == 1
		assert s.compare_version('2014.66') > 0
		assert s.compare_version('2015.71') == 0
		assert s.compare_version(s) == 0
		assert s.compare_version('2016.74') < 0
		assert s.between_versions('2014.66', '2016.74')
		assert s.between_versions('2014.66', '2015.69') is False
		assert s.between_versions('2016.74', '2014.66') is False
	
	def test_dropbear_compare_version_mixed(self):
		s = self.get_dropbear_software('0.53.1')
		assert s.compare_version(None) == 1
		assert s.compare_version('') == 1
		assert s.compare_version('0.53') > 0
		assert s.compare_version('0.53.1') == 0
		assert s.compare_version(s) == 0
		assert s.compare_version('2011.54') < 0
		assert s.between_versions('0.53', '2011.54')
		assert s.between_versions('0.53', '0.53') is False
		assert s.between_versions('2011.54', '0.53') is False
	
	def test_dropbear_compare_version_patchlevel(self):
		s1 = self.get_dropbear_software('0.44')
		s2 = self.get_dropbear_software('0.44test3')
		assert s1.compare_version(None) == 1
		assert s1.compare_version('') == 1
		assert s1.compare_version('0.44') == 0
		assert s1.compare_version(s1) == 0
		assert s1.compare_version('0.43') > 0
		assert s1.compare_version('0.44test4') > 0
		assert s1.between_versions('0.44test4', '0.45')
		assert s1.between_versions('0.43', '0.44test4') is False
		assert s1.between_versions('0.45', '0.44test4') is False
		assert s2.compare_version(None) == 1
		assert s2.compare_version('') == 1
		assert s2.compare_version('0.44test3') == 0
		assert s2.compare_version(s2) == 0
		assert s2.compare_version('0.44') < 0
		assert s2.compare_version('0.44test4') < 0
		assert s2.between_versions('0.43', '0.44')
		assert s2.between_versions('0.43', '0.44test2') is False
		assert s2.between_versions('0.44', '0.43') is False
		assert s1.compare_version(s2) > 0
		assert s2.compare_version(s1) < 0
	
	def test_dropbear_compare_version_sequential(self):
		versions = []
		for i in range(28, 44):
			versions.append('0.{0}'.format(i))
		for i in range(1, 5):
			versions.append('0.44test{0}'.format(i))
		for i in range(44, 49):
			versions.append('0.{0}'.format(i))
		versions.append('0.48.1')
		for i in range(49, 54):
			versions.append('0.{0}'.format(i))
		versions.append('0.53.1')
		for v in ['2011.54', '2012.55']:
			versions.append(v)
		for i in range(56, 61):
			versions.append('2013.{0}'.format(i))
		for v in ['2013.61test', '2013.62']:
			versions.append(v)
		for i in range(63, 67):
			versions.append('2014.{0}'.format(i))
		for i in range(67, 72):
			versions.append('2015.{0}'.format(i))
		for i in range(72, 75):
			versions.append('2016.{0}'.format(i))
		l = len(versions)
		for i in range(l):
			v = versions[i]
			s = self.get_dropbear_software(v)
			assert s.compare_version(v) == 0
			if i - 1 >= 0:
				vbefore = versions[i - 1]
				assert s.compare_version(vbefore) > 0
			if i + 1 < l:
				vnext = versions[i + 1]
				assert s.compare_version(vnext) < 0
	
	def test_openssh_compare_version_simple(self):
		s = self.get_openssh_software('3.7.1')
		assert s.compare_version(None) == 1
		assert s.compare_version('') == 1
		assert s.compare_version('3.7') > 0
		assert s.compare_version('3.7.1') == 0
		assert s.compare_version(s) == 0
		assert s.compare_version('3.8') < 0
		assert s.between_versions('3.7', '3.8')
		assert s.between_versions('3.6', '3.7') is False
		assert s.between_versions('3.8', '3.7') is False
	
	def test_openssh_compare_version_patchlevel(self):
		s1 = self.get_openssh_software('2.1.1')
		s2 = self.get_openssh_software('2.1.1p2')
		assert s1.compare_version(s1) == 0
		assert s2.compare_version(s2) == 0
		assert s1.compare_version('2.1.1p1') == 0
		assert s1.compare_version('2.1.1p2') == 0
		assert s2.compare_version('2.1.1') == 0
		assert s2.compare_version('2.1.1p1') > 0
		assert s2.compare_version('2.1.1p3') < 0
		assert s1.compare_version(s2) == 0
		assert s2.compare_version(s1) == 0
	
	def test_openbsd_compare_version_sequential(self):
		versions = []
		for v in ['1.2.3', '2.1.0', '2.1.1', '2.2.0', '2.3.0']:
			versions.append(v)
		for v in ['2.5.0', '2.5.1', '2.5.2', '2.9', '2.9.9']:
			versions.append(v)
		for v in ['3.0', '3.0.1', '3.0.2', '3.1', '3.2.2', '3.2.3']:
			versions.append(v)
		for i in range(3, 7):
			versions.append('3.{0}'.format(i))
		for v in ['3.6.1', '3.7.0', '3.7.1']:
			versions.append(v)
		for i in range(8, 10):
			versions.append('3.{0}'.format(i))
		for i in range(0, 10):
			versions.append('4.{0}'.format(i))
		for i in range(0, 10):
			versions.append('5.{0}'.format(i))
		for i in range(0, 10):
			versions.append('6.{0}'.format(i))
		for i in range(0, 4):
			versions.append('7.{0}'.format(i))
		l = len(versions)
		for i in range(l):
			v = versions[i]
			s = self.get_openssh_software(v)
			assert s.compare_version(v) == 0
			if i - 1 >= 0:
				vbefore = versions[i - 1]
				assert s.compare_version(vbefore) > 0
			if i + 1 < l:
				vnext = versions[i + 1]
				assert s.compare_version(vnext) < 0
	
	def test_libssh_compare_version_simple(self):
		s = self.get_libssh_software('0.3')
		assert s.compare_version(None) == 1
		assert s.compare_version('') == 1
		assert s.compare_version('0.2') > 0
		assert s.compare_version('0.3') == 0
		assert s.compare_version(s) == 0
		assert s.compare_version('0.3.1') < 0
		assert s.between_versions('0.2', '0.3.1')
		assert s.between_versions('0.1', '0.2') is False
		assert s.between_versions('0.3.1', '0.2') is False
	
	def test_libssh_compare_version_sequential(self):
		versions = []
		for v in ['0.2', '0.3']:
			versions.append(v)
		for i in range(1, 5):
			versions.append('0.3.{0}'.format(i))
		for i in range(0, 9):
			versions.append('0.4.{0}'.format(i))
		for i in range(0, 6):
			versions.append('0.5.{0}'.format(i))
		for i in range(0, 6):
			versions.append('0.6.{0}'.format(i))
		for i in range(0, 5):
			versions.append('0.7.{0}'.format(i))
		l = len(versions)
		for i in range(l):
			v = versions[i]
			s = self.get_libssh_software(v)
			assert s.compare_version(v) == 0
			if i - 1 >= 0:
				vbefore = versions[i - 1]
				assert s.compare_version(vbefore) > 0
			if i + 1 < l:
				vnext = versions[i + 1]
				assert s.compare_version(vnext) < 0