diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5845d960..fa45bd9b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,17 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
+## [0.6.1] 2019-09-26
+### Improvements:
+- Better warning presentation when there are several messages
+- Better AUR update check handling
+- "Show" button available for all information fields
+
+### Fixes:
+- Error when retrieving suggestions
+- snapd health check when snapd.service is available
+- AUR: not showing all optional dependencies ( Info )
+
 
 ## [0.6.0] 2019-09-25
 ### Features
@@ -33,7 +44,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Environment variable / parameter **BAUH_UPDATE_NOTIFICATION** renamed to **BAUH_SYSTEM_NOTIFICATIONS** and now works for any system notification
 - Environment variable / parameter **BAUH_DOWNLOAD_MULTITHREAD**: if source files should be downloaded using multi-threads (not supported by all **gems**).
 - Environment variables / parameter **BAUH_MAX_DISPLAYED**: controls the maximum number of displayed apps ( default to 50 )
-- Environment variables / parameter **BAUH_LOGS**: controls the maximum number of displayed apps ( default to 50 )
+- Environment variables / parameter **BAUH_LOGS**: activates console logging.
 - small UI improvements
 
 ### UI Changes
diff --git a/bauh/__init__.py b/bauh/__init__.py
index 6dfd2e60..68a0a495 100644
--- a/bauh/__init__.py
+++ b/bauh/__init__.py
@@ -1,4 +1,4 @@
-__version__ = '0.6.0'
+__version__ = '0.6.1'
 __app_name__ = 'bauh'
 
 import os
diff --git a/bauh/gems/arch/mapper.py b/bauh/gems/arch/mapper.py
index cdaa1828..72db9469 100644
--- a/bauh/gems/arch/mapper.py
+++ b/bauh/gems/arch/mapper.py
@@ -1,3 +1,4 @@
+import re
 from datetime import datetime
 
 from bauh.api.abstract.model import PackageStatus
@@ -5,6 +6,16 @@ from bauh.api.http import HttpClient
 from bauh.gems.arch.model import ArchPackage
 
 URL_PKG_DOWNLOAD = 'https://aur.archlinux.org/{}'
+RE_LETTERS = re.compile(r'\.([a-zA-Z]+)-\d+$')
+
+RE_SFX = ('r', 're', 'release')
+GA_SFX = ('ga', 'ge')
+RC_SFX = ('rc',)
+BETA_SFX = ('b', 'beta')
+AL_SFX = ('alpha', 'alfa')
+DEV_SFX = ('dev', 'devel', 'development')
+
+V_SUFFIX_MAP = {s: {'c': sfxs[0], 'p': idx} for idx, sfxs in enumerate([RE_SFX, GA_SFX, RC_SFX, BETA_SFX, AL_SFX, DEV_SFX]) for s in sfxs}
 
 
 class ArchDataMapper:
@@ -36,7 +47,36 @@ class ArchDataMapper:
         pkg.url_download = URL_PKG_DOWNLOAD.format(package['URLPath']) if package.get('URLPath') else None
         pkg.first_submitted = datetime.fromtimestamp(package['FirstSubmitted']) if package.get('FirstSubmitted') else None
         pkg.last_modified = datetime.fromtimestamp(package['LastModified']) if package.get('LastModified') else None
-        pkg.update = pkg.version and pkg.latest_version and pkg.latest_version > pkg.version
+        pkg.update = self.check_update(pkg.version, pkg.latest_version)
+
+    @staticmethod
+    def check_update(version: str, latest_version: str) -> bool:
+        if version and latest_version:
+            current_sfx = RE_LETTERS.findall(version)
+            latest_sf = RE_LETTERS.findall(latest_version)
+
+            if latest_sf and current_sfx:
+                current_sfx = current_sfx[0]
+                latest_sf = latest_sf[0]
+
+                current_sfx_data = V_SUFFIX_MAP.get(current_sfx.lower())
+                latest_sfx_data = V_SUFFIX_MAP.get(latest_sf.lower())
+
+                if current_sfx_data and latest_sfx_data:
+                    nversion = version.split(current_sfx)[0]
+                    nlatest = latest_version.split(latest_sf)[0]
+
+                    if nversion == nlatest:
+                        if current_sfx_data['c'] != latest_sfx_data['c']:
+                            return latest_sfx_data['p'] < current_sfx_data['p']
+                        else:
+                            return ''.join(latest_version.split(latest_sf)) > ''.join(version.split(current_sfx))
+
+                    return nlatest > nversion
+
+            return latest_version > version
+
+        return False
 
     def fill_package_build(self, pkg: ArchPackage):
         res = self.http_client.get(pkg.get_pkg_build_url())
diff --git a/bauh/gems/arch/pacman.py b/bauh/gems/arch/pacman.py
index d2c85d27..a08c51b4 100644
--- a/bauh/gems/arch/pacman.py
+++ b/bauh/gems/arch/pacman.py
@@ -6,7 +6,7 @@ from bauh.api.abstract.handler import ProcessWatcher
 from bauh.commons.system import run_cmd, new_subprocess, new_root_subprocess, SystemProcess, ProcessHandler
 
 RE_DEPS = re.compile(r'[\w\-_]+:[\s\w_\-\.]+\s+\[\w+\]')
-
+RE_OPTDEPS = re.compile(r'[\w\._\-]+\s*:')
 
 def is_enabled() -> bool:
     try:
@@ -43,7 +43,7 @@ def get_info(pkg_name) -> str:
 def get_info_list(pkg_name: str) -> List[tuple]:
     info = get_info(pkg_name)
     if info:
-        return re.findall(r'(\w+\s?\w+)\s+:\s+(.+(\n\s+.+)*)', info)
+        return re.findall(r'(\w+\s?\w+)\s*:\s*(.+(\n\s+.+)*)', info)
 
 
 def get_info_dict(pkg_name: str) -> dict:
@@ -53,14 +53,13 @@ def get_info_dict(pkg_name: str) -> dict:
         info_dict = {}
         for info_data in info_list:
             attr = info_data[0].lower().strip()
-            info_dict[attr] = info_data[1] if '\n' not in info_data[1] else ' '.join(
-                [l.strip() for l in info_data[1].split('\n')])
+            info_dict[attr] = info_data[1]
 
             if info_dict[attr] == 'None':
                 info_dict[attr] = None
 
             if attr == 'optional deps' and info_dict[attr]:
-                info_dict[attr] = RE_DEPS.findall(info_dict[attr])
+                info_dict[attr] = info_dict[attr].split('\n')
             elif attr == 'depends on' and info_dict[attr]:
                 info_dict[attr] = [d.strip() for d in info_dict[attr].split(' ') if d]
 
diff --git a/bauh/gems/snap/controller.py b/bauh/gems/snap/controller.py
index 70a11c8a..1bcbd3a4 100644
--- a/bauh/gems/snap/controller.py
+++ b/bauh/gems/snap/controller.py
@@ -8,7 +8,7 @@ from bauh.api.abstract.disk import DiskCacheLoader
 from bauh.api.abstract.handler import ProcessWatcher
 from bauh.api.abstract.model import SoftwarePackage, PackageHistory, PackageUpdate, PackageSuggestion, \
     SuggestionPriority
-from bauh.commons import internet
+from bauh.commons.html import bold
 from bauh.commons.system import SystemProcess, ProcessHandler
 from bauh.gems.snap import snap, suggestions
 from bauh.gems.snap.constants import SNAP_API_URL
@@ -83,7 +83,6 @@ class SnapManager(SoftwareManager):
 
     def read_installed(self, disk_loader: DiskCacheLoader, limit: int = -1, only_apps: bool = False, pkg_types: Set[Type[SoftwarePackage]] = None, internet_available: bool = None) -> SearchResult:
         if snap.is_snapd_running():
-            internet_available = internet.is_available(self.http_client, self.logger)
             installed = [self.map_json(app_json, installed=True, disk_loader=disk_loader, internet=internet_available) for app_json in snap.read_installed()]
             return SearchResult(installed, None, len(installed))
         else:
@@ -145,8 +144,10 @@ class SnapManager(SoftwareManager):
         pass
 
     def list_warnings(self) -> List[str]:
-        if not snap.is_snapd_running():
-            return [self.i18n['snap.notification.snapd_unavailable']]
+        if snap.is_installed() and not snap.is_snapd_running():
+            snap_bold = bold('Snap')
+            return [self.i18n['snap.notification.snapd_unavailable'].format(bold('snapd'), snap_bold),
+                    self.i18n['snap.notification.snap.disable'].format(snap_bold, bold(self.i18n['manage_window.settings.gems']))]
 
     def _fill_suggestion(self, pkg_name: str, priority: SuggestionPriority, out: List[PackageSuggestion]):
         res = self.http_client.get_json(SNAP_API_URL + '/search?q=package_name:{}'.format(pkg_name))
@@ -163,24 +164,25 @@ class SnapManager(SoftwareManager):
     def list_suggestions(self, limit: int) -> List[PackageSuggestion]:
         res = []
 
-        sugs = [(i, p) for i, p in suggestions.ALL.items()]
-        sugs.sort(key=lambda t: t[1].value, reverse=True)
+        if snap.is_snapd_running():
+            sugs = [(i, p) for i, p in suggestions.ALL.items()]
+            sugs.sort(key=lambda t: t[1].value, reverse=True)
 
-        threads = []
-        for sug in sugs:
+            threads = []
+            for sug in sugs:
 
-            if limit <= 0 or len(res) < limit:
-                t = Thread(target=self._fill_suggestion, args=(sug[0], sug[1], res))
-                t.start()
-                threads.append(t)
-                time.sleep(0.001)  # to avoid being blocked
-            else:
-                break
+                if limit <= 0 or len(res) < limit:
+                    t = Thread(target=self._fill_suggestion, args=(sug[0], sug[1], res))
+                    t.start()
+                    threads.append(t)
+                    time.sleep(0.001)  # to avoid being blocked
+                else:
+                    break
 
-        for t in threads:
-            t.join()
+            for t in threads:
+                t.join()
 
-        res.sort(key=lambda s: s.priority.value, reverse=True)
+            res.sort(key=lambda s: s.priority.value, reverse=True)
         return res
 
     def is_default_enabled(self) -> bool:
diff --git a/bauh/gems/snap/resources/locale/en b/bauh/gems/snap/resources/locale/en
index f2994234..8d514136 100644
--- a/bauh/gems/snap/resources/locale/en
+++ b/bauh/gems/snap/resources/locale/en
@@ -1,3 +1,4 @@
-snap.notification.snapd_unavailable=snapd seems not to be installed or enabled. snap packages will not be available.
+snap.notification.snapd_unavailable={} seems not to be installed or enabled. {} packages will not be available.
+snap.notification.snap.disable=If you do not want to use Snap applications, uncheck {} in {}
 snap.action.refresh.status=Refreshing
 snap.action.refresh.label=Refresh
\ No newline at end of file
diff --git a/bauh/gems/snap/resources/locale/es b/bauh/gems/snap/resources/locale/es
index 43f2c667..1d31611a 100644
--- a/bauh/gems/snap/resources/locale/es
+++ b/bauh/gems/snap/resources/locale/es
@@ -7,6 +7,7 @@ snap.info.revision=revisión
 snap.info.tracking=tracking
 snap.info.installed=instalado
 snap.info.publisher=publicador
-snap.notification.snapd_unavailable=snapd no parece estar instalado o habilitado. los paquetes snap estarán indisponibles.
+snap.notification.snapd_unavailable={} no parece estar instalado o habilitado. Los paquetes {} estarán indisponibles.
+snap.notification.snap.disable=Si no desea usar aplicativos Snap, desmarque {} en {}
 snap.action.refresh.status=Actualizando
 snap.action.refresh.label=Actualizar
\ No newline at end of file
diff --git a/bauh/gems/snap/resources/locale/pt b/bauh/gems/snap/resources/locale/pt
index 2e675732..efd0aa98 100644
--- a/bauh/gems/snap/resources/locale/pt
+++ b/bauh/gems/snap/resources/locale/pt
@@ -7,6 +7,7 @@ snap.info.revision=revisão
 snap.info.tracking=tracking
 snap.info.installed=instalado
 snap.info.publisher=publicador
-snap.notification.snapd_unavailable=snapd não parece estar instalado ou habilitado. os pacotes snap estarão indisponíveis.
+snap.notification.snapd_unavailable={} não parece estar instalado ou habilitado. Os pacotes {} estarão indisponíveis.
+snap.notification.snap.disable=Se não deseja usar aplicativos Snap, desmarque {} em {}
 snap.action.refresh.status=Atualizando
 snap.action.refresh.label=Atualizar
\ No newline at end of file
diff --git a/bauh/gems/snap/snap.py b/bauh/gems/snap/snap.py
index 02288aa0..04e20de2 100644
--- a/bauh/gems/snap/snap.py
+++ b/bauh/gems/snap/snap.py
@@ -7,6 +7,8 @@ from bauh.commons.system import new_root_subprocess, run_cmd, new_subprocess
 from bauh.gems.snap.model import SnapApplication
 
 BASE_CMD = 'snap'
+RE_SNAPD_STATUS = re.compile('\s+')
+SNAPD_RUNNING_STATUS = {'listening', 'running'}
 
 
 def is_installed():
@@ -17,12 +19,24 @@ def is_installed():
 def is_snapd_running() -> bool:
     services = new_subprocess(['systemctl', 'list-units'])
 
-    for o in new_subprocess(['grep', '-oP', 'snapd.socket.+\K(listening|running)'], stdin=services.stdout).stdout:
+    service, service_running = False, False
+    socket, socket_running = False, False
+    for o in new_subprocess(['grep', '-Eo', 'snapd.+'], stdin=services.stdout).stdout:
         if o:
             line = o.decode().strip()
-            return bool(line)
 
-    return False
+            if line:
+                line_split = RE_SNAPD_STATUS.split(line)
+                running = line_split[3] in SNAPD_RUNNING_STATUS
+
+                if line_split[0] == 'snapd.service':
+                    service = True
+                    service_running = running
+                elif line_split[0] == 'snapd.socket':
+                    socket = True
+                    socket_running = running
+
+    return socket and socket_running and (not service or (service and service_running))
 
 
 def app_str_to_json(app: str) -> dict:
diff --git a/bauh/view/qt/info.py b/bauh/view/qt/info.py
index f4cdf3ea..54f1d923 100644
--- a/bauh/view/qt/info.py
+++ b/bauh/view/qt/info.py
@@ -3,7 +3,6 @@ from PyQt5.QtGui import QIcon
 from PyQt5.QtWidgets import QDialog, QVBoxLayout, QGroupBox, \
     QLineEdit, QLabel, QGridLayout, QPushButton, QPlainTextEdit, QToolBar
 from bauh.api.abstract.cache import MemoryCache
-from bauh.commons.html import strip_html
 
 IGNORED_ATTRS = {'name', '__app__'}
 
@@ -54,8 +53,6 @@ class InfoDialog(QDialog):
                 else:
                     val = str(app[attr]).strip()
 
-                full_val = None
-
                 i18n_val = locale_keys.get('{}.{}'.format(i18n_key, val.lower()))
 
                 if i18n_val:
@@ -63,13 +60,6 @@ class InfoDialog(QDialog):
 
                 text = QLineEdit()
                 text.setToolTip(val)
-
-                if len(val) > 80:
-                    full_val = val
-                    self.full_vals.append(full_val)
-                    val = strip_html(val)
-                    val = val[0:80] + '...'
-
                 text.setText(val)
                 text.setCursorPosition(0)
                 text.setStyleSheet("width: 400px")
@@ -80,9 +70,7 @@ class InfoDialog(QDialog):
 
                 self.gbox_info_layout.addWidget(label, idx, 0)
                 self.gbox_info_layout.addWidget(text, idx, 1)
-
-                if full_val is not None:
-                    self._gen_show_button(idx, full_val)
+                self._gen_show_button(idx, val)
 
         self.adjustSize()
 
diff --git a/bauh/view/qt/thread.py b/bauh/view/qt/thread.py
index 1595cd52..c631dc99 100644
--- a/bauh/view/qt/thread.py
+++ b/bauh/view/qt/thread.py
@@ -389,7 +389,7 @@ class FindSuggestions(AsyncAction):
 
     def run(self):
         sugs = self.man.list_suggestions(limit=-1)
-        self.notify_finished([s.package for s in sugs] if sugs is not None else [])
+        self.notify_finished({'pkgs_found': [s.package for s in sugs] if sugs is not None else [], 'error': None})
 
 
 class ListWarnings(QThread):
diff --git a/bauh/view/qt/window.py b/bauh/view/qt/window.py
index 498acabf..05693f66 100755
--- a/bauh/view/qt/window.py
+++ b/bauh/view/qt/window.py
@@ -333,7 +333,7 @@ class ManageWindow(QWidget):
 
     def _show_warnings(self, warnings: List[str]):
         if warnings:
-            dialog.show_message(title=self.i18n['warning'].capitalize(), body='<p>{}</p>'.format('<br/>'.join(warnings)), type_=MessageType.WARNING)
+            dialog.show_message(title=self.i18n['warning'].capitalize(), body='<p>{}</p>'.format('<br/><br/>'.join(warnings)), type_=MessageType.WARNING)
 
     def show(self):
         super(ManageWindow, self).show()
diff --git a/setup.py b/setup.py
index 1fa96690..a0de0e07 100644
--- a/setup.py
+++ b/setup.py
@@ -30,9 +30,10 @@ setup(
     author_email=AUTHOR_EMAIL,
     python_requires=">=3.5",
     url=URL,
-    packages=find_packages(),
+    packages=find_packages(exclude=["tests.*", "tests"]),
     package_data={NAME: ["view/resources/locale/*", "view/resources/img/*", "gems/*/resources/img/*", "gems/*/resources/locale/*"]},
     install_requires=requirements,
+    test_suite="tests",
     entry_points={
         "console_scripts": [
             "{name}={name}.app:main".format(name=NAME)
diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/tests/gems/__init__.py b/tests/gems/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/tests/gems/arch/__init__.py b/tests/gems/arch/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/tests/gems/arch/arch_data_mapper_test.py b/tests/gems/arch/arch_data_mapper_test.py
new file mode 100644
index 00000000..218894a6
--- /dev/null
+++ b/tests/gems/arch/arch_data_mapper_test.py
@@ -0,0 +1,175 @@
+from unittest import TestCase
+
+from bauh.gems.arch.mapper import ArchDataMapper
+
+
+class ArchDataMapperTest(TestCase):
+
+    def test_check_update_no_suffix(self):
+        self.assertTrue(ArchDataMapper.check_update('1.0.0-1', '1.0.0-2'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0-2', '1.0.0-1'))
+        self.assertTrue(ArchDataMapper.check_update('1.0.0-5', '1.0.1-1'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.1-1', '1.0.0-1'))
+        self.assertTrue(ArchDataMapper.check_update('1.0.5-5', '1.1.0-2'))
+        self.assertFalse(ArchDataMapper.check_update('1.1.0-2', '1.0.5-5'))
+        self.assertTrue(ArchDataMapper.check_update('1.5.0-2', '1.5.1-1'))
+        self.assertFalse(ArchDataMapper.check_update('1.5.1-1', '1.5.0-2'))
+        self.assertTrue(ArchDataMapper.check_update('1.5.1-1', '1.5.1-2'))
+        self.assertTrue(ArchDataMapper.check_update('1.5.1-1', '2.0.0-1'))
+        self.assertFalse(ArchDataMapper.check_update('2.0.0-1', '1.5.1-1'))
+
+    def test_check_update_release(self):
+        # RE
+        self.assertTrue(ArchDataMapper.check_update('1.0.0.R-1', '1.0.0.R-2'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.R-2', '1.0.0.R-1'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.1.R-1', '1.0.0.R-5'))
+        self.assertTrue(ArchDataMapper.check_update('1.0.1.R-1', '1.0.1.R-2'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.2.R-1', '1.0.1.R-7'))
+
+        self.assertTrue(ArchDataMapper.check_update('1.0.0.RE-1', '1.0.0.R-2'))
+        self.assertTrue(ArchDataMapper.check_update('1.0.0.RELEASE-2', '1.0.0.R-5'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.1.R-1', '1.0.0.RELEASE-5'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.1.R-1', '1.0.0.RE-1'))
+
+        # GA
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.R-1', '1.0.0.Ge-1'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.RE-1', '1.0.0.GA-1'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.RELEASE-1', '1.0.0.Ge-1'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.R-1', '1.0.0.GE-1'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.RE-1', '1.0.0.GE-1'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.RELEASE-1', '1.0.0.GE-1'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.R-1', '1.0.0.GA-1'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.RE-1', '1.0.0.GA-1'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.RELEASE-1', '1.0.0.GA-1'))
+
+        self.assertTrue(ArchDataMapper.check_update('1.0.0.R-5', '1.0.1.GA-1'))
+
+        # RCS
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.R-1', '1.0.0.RC-1'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.RE-1', '1.0.0.RC-1'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.RELEASE-1', '1.0.0.RC-1'))
+
+        self.assertTrue(ArchDataMapper.check_update('1.0.0.R-5', '1.0.1.RC-1'))
+
+        # BETA
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.R-1', '1.0.0.B-2'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.RE-1', '1.0.0.B-2'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.RELEASE-1', '1.0.0.B-2'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.R-1', '1.0.0.BETA-2'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.RE-1', '1.0.0.BETA-2'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.RELEASE-1', '1.0.0.BETA-2'))
+
+        self.assertTrue(ArchDataMapper.check_update('1.0.0.R-5', '1.0.1.BETA-1'))
+
+        # ALPHA
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.R-1', '1.0.0.Alpha-2'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.RE-1', '1.0.0.ALPHA-2'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.RELEASE-1', '1.0.0.ALPHA-2'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.R-1', '1.0.0.ALPHA-2'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.RE-1', '1.0.0.ALPHA-2'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.RELEASE-1', '1.0.0.ALPHA-2'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.R-1', '1.0.0.ALFA-2'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.RE-1', '1.0.0.ALFA-2'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.RELEASE-1', '1.0.0.ALFA-2'))
+
+        self.assertTrue(ArchDataMapper.check_update('1.0.0.R-5', '1.0.1.Alfa-1'))
+
+        # DEV
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.R-1', '1.0.0.DeV-2'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.RE-1', '1.0.0.DEV-2'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.RELEASE-1', '1.0.0.DEVEL-2'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.R-1', '1.0.0.DEV-2'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.RE-1', '1.0.0.DEV-2'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.RELEASE-1', '1.0.0.DEV-2'))
+
+        self.assertTrue(ArchDataMapper.check_update('1.0.0.R-5', '1.0.1.DEV-1'))
+
+    def test_check_update_ga(self):
+        # GA
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.GA-1', '1.0.0.GE-1'))
+        self.assertTrue(ArchDataMapper.check_update('1.0.0.GE-1', '1.0.0.GA-2'))
+        self.assertTrue(ArchDataMapper.check_update('1.0.0.GA-2', '1.0.1.GA-1'))
+        self.assertFalse(ArchDataMapper.check_update('1.1.0.GE-3', '1.0.6.GE-10'))
+
+        # RC
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.GA-1', '1.0.0.RC-1'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.GE-1', '1.0.0.RC-1'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.GA-1', '1.0.0.RC-1'))
+
+        self.assertTrue(ArchDataMapper.check_update('1.0.0.GE-1', '1.0.1.RC-1'))
+        self.assertTrue(ArchDataMapper.check_update('1.0.10.GA-10', '1.1.0.RC-1'))
+        self.assertFalse(ArchDataMapper.check_update('1.1.0.GE-1', '1.0.1.RC-1'))
+
+        # BETA
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.GA-1', '1.0.0.BETA-1'))
+        self.assertTrue(ArchDataMapper.check_update('1.0.0.GE-1', '1.0.1.BETA-1'))
+
+        # ALPHA
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.GE-1', '1.0.0.ALPHA-1'))
+        self.assertTrue(ArchDataMapper.check_update('1.0.0.GA-1', '1.0.1.ALPHA-1'))
+
+        # DEV
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.GA-1', '1.0.0.DEV-1'))
+        self.assertTrue(ArchDataMapper.check_update('1.0.0.GE-1', '1.0.1.DEV-1'))
+
+    def test_check_update_rc(self):
+        # RC
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.RC-1', '1.0.0.RC-1'))
+        self.assertTrue(ArchDataMapper.check_update('1.0.0.RC-1', '1.0.0.RC-2'))
+        self.assertTrue(ArchDataMapper.check_update('1.0.0.RC-2', '1.0.1.RC-1'))
+        self.assertFalse(ArchDataMapper.check_update('1.1.0.RC-3', '1.0.6.RC-10'))
+
+        # BETA
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.RC-1', '1.0.0.BETA-1'))
+        self.assertTrue(ArchDataMapper.check_update('1.0.0.RC-1', '1.0.1.BETA-1'))
+
+        # ALPHA
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.RC-1', '1.0.0.ALPHA-1'))
+        self.assertTrue(ArchDataMapper.check_update('1.0.0.RC-1', '1.0.1.ALPHA-1'))
+
+        # DEV
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.RC-1', '1.0.0.DEV-1'))
+        self.assertTrue(ArchDataMapper.check_update('1.0.0.RC-1', '1.0.1.DEV-1'))
+
+    def test_check_update_beta(self):
+        # BETA
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.BETA-1', '1.0.0.BETA-1'))
+        self.assertTrue(ArchDataMapper.check_update('1.0.0.BETA-1', '1.0.0.BETA-2'))
+        self.assertTrue(ArchDataMapper.check_update('1.0.0.BETA-2', '1.0.1.B-1'))
+        self.assertFalse(ArchDataMapper.check_update('1.1.0.B-3', '1.0.6.BETA-10'))
+
+        # ALPHA
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.BETA-1', '1.0.0.ALPHA-1'))
+        self.assertTrue(ArchDataMapper.check_update('1.0.0.B-1', '1.0.1.ALPHA-1'))
+
+        # DEV
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.BETA-1', '1.0.0.DEV-1'))
+        self.assertTrue(ArchDataMapper.check_update('1.0.0.B-1', '1.0.1.DEV-1'))
+
+    def test_check_update_alpha(self):
+        # ALPHA
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.ALPHA-1', '1.0.0.ALPHA-1'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.ALPHA-1', '1.0.0.ALFA-1'))
+        self.assertTrue(ArchDataMapper.check_update('1.0.0.ALFA-1', '1.0.0.ALPHA-2'))
+        self.assertTrue(ArchDataMapper.check_update('1.0.0.ALPHA-2', '1.0.1.ALFA-1'))
+        self.assertFalse(ArchDataMapper.check_update('1.1.0.ALFA-3', '1.0.6.ALFA-10'))
+
+        # DEV
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.ALFA-1', '1.0.0.DEV-1'))
+        self.assertTrue(ArchDataMapper.check_update('1.0.0.ALPHA-1', '1.0.1.DEV-1'))
+
+    def test_check_update_dev(self):
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.DEV-1', '1.0.0.DEV-1'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.DEV-1', '1.0.0.DEVEL-1'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.DEVEL-1', '1.0.0.DEVELOPMENT-1'))
+        self.assertTrue(ArchDataMapper.check_update('1.0.0.DEV-1', '1.0.0.DEVEL-2'))
+        self.assertTrue(ArchDataMapper.check_update('1.0.0.DEVEL-2', '1.0.1.DEV-1'))
+        self.assertFalse(ArchDataMapper.check_update('1.1.0.DEV-3', '1.0.6.DEVELOPMENT-10'))
+
+    def test_check_update_unknown_suffix(self):
+        self.assertTrue(ArchDataMapper.check_update('1.0.0.BALL-1', '1.0.0.TAR-1'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.TAR-1', '1.0.0.BALL-1'))
+
+    def test_check_update_known_and_unknown_suffix(self):
+        self.assertTrue(ArchDataMapper.check_update('1.0.0.RE-1', '1.0.0.TAR-1'))
+        self.assertFalse(ArchDataMapper.check_update('1.0.0.TAR-1', '1.0.0.RE-1'))