rename distro_check to package_manager_detect, as it is more in keeping with what the function actually does

Signed-off-by: Adam Warner <me@adamwarner.co.uk>

test/test_automated_install.py

@@ -18,13 +18,13 @@ def test_supported_operating_system(Pihole):
     # break supported package managers to emulate an unsupported distribution
     Pihole.run('rm -rf /usr/bin/apt-get')
     Pihole.run('rm -rf /usr/bin/rpm')
-    distro_check = Pihole.run('''
+    package_manager_detect = Pihole.run('''
     source /opt/pihole/basic-install.sh
-    distro_check
+    package_manager_detect
     ''')
     expected_stdout = cross_box + ' OS distribution not supported'
-    assert expected_stdout in distro_check.stdout
-    # assert distro_check.rc == 1
+    assert expected_stdout in package_manager_detect.stdout
+    # assert package_manager_detect.rc == 1
 
 
 def test_setupVars_are_sourced_to_global_scope(Pihole):
@@ -135,7 +135,7 @@ def test_update_package_cache_success_no_errors(Pihole):
     '''
     updateCache = Pihole.run('''
     source /opt/pihole/basic-install.sh
-    distro_check
+    package_manager_detect
     update_package_cache
     ''')
     expected_stdout = tick_box + ' Update local cache of available packages'
@@ -150,7 +150,7 @@ def test_update_package_cache_failure_no_errors(Pihole):
     mock_command('apt-get', {'update': ('', '1')}, Pihole)
     updateCache = Pihole.run('''
     source /opt/pihole/basic-install.sh
-    distro_check
+    package_manager_detect
     update_package_cache
     ''')
     expected_stdout = cross_box + ' Update local cache of available packages'
@@ -357,7 +357,7 @@ def test_FTL_download_aarch64_no_errors(Pihole):
     mock_command('whiptail', {'*': ('', '0')}, Pihole)
     Pihole.run('''
     source /opt/pihole/basic-install.sh
-    distro_check
+    package_manager_detect
     install_dependent_packages ${INSTALLER_DEPS[@]}
     ''')
     download_binary = Pihole.run('''
@@ -567,7 +567,7 @@ def test_os_check_fails(Pihole):
     ''' Confirms install fails on unsupported OS '''
     Pihole.run('''
     source /opt/pihole/basic-install.sh
-    distro_check
+    package_manager_detect
     install_dependent_packages ${INSTALLER_DEPS[@]}
     cat <<EOT > /etc/os-release
     ID=UnsupportedOS
@@ -586,7 +586,7 @@ def test_os_check_passes(Pihole):
     ''' Confirms OS meets the requirements '''
     Pihole.run('''
     source /opt/pihole/basic-install.sh
-    distro_check
+    package_manager_detect
     install_dependent_packages ${INSTALLER_DEPS[@]}
     ''')
     detectOS = Pihole.run('''
@@ -602,7 +602,7 @@ def test_package_manager_has_installer_deps(Pihole):
     mock_command('whiptail', {'*': ('', '0')}, Pihole)
     output = Pihole.run('''
     source /opt/pihole/basic-install.sh
-    distro_check
+    package_manager_detect
     install_dependent_packages ${INSTALLER_DEPS[@]}
     ''')
 
@@ -615,7 +615,7 @@ def test_package_manager_has_pihole_deps(Pihole):
     mock_command('whiptail', {'*': ('', '0')}, Pihole)
     output = Pihole.run('''
     source /opt/pihole/basic-install.sh
-    distro_check
+    package_manager_detect
     install_dependent_packages ${PIHOLE_DEPS[@]}
     ''')
 
@@ -628,7 +628,7 @@ def test_package_manager_has_web_deps(Pihole):
     mock_command('whiptail', {'*': ('', '0')}, Pihole)
     output = Pihole.run('''
     source /opt/pihole/basic-install.sh
-    distro_check
+    package_manager_detect
     install_dependent_packages ${PIHOLE_WEB_DEPS[@]}
     ''')