nixos/tests/home-assistant: Overhaul and refactor
Prepare the tests for a change in dependency handling, by not relying on bespoke files dropped into the package output. Instead we now check the journal log for whether a configured component was setup, once for the initial specialisation another time for the one introducing esphome configuration. Also improve abstractions for getting journal data relative to a cursor and generally make a few things more concise.
This commit is contained in:
Martin Weinelt
parent
ff4c0a140b
commit
ba3f159cc8
@ -22,22 +22,23 @@ in {
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enable = true;
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inherit configDir;
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# tests loading components by overriding the package
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# provide dependencies through package overrides
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package = (pkgs.home-assistant.override {
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extraPackages = ps: with ps; [
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colorama
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];
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extraComponents = [ "zha" ];
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}).overrideAttrs (oldAttrs: {
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doInstallCheck = false;
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extraComponents = [
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# test char-tty device allow propagation into the service
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"zha"
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];
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});
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# tests loading components from the module
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# provide component dependencies explicitly from the module
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extraComponents = [
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"wake_on_lan"
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"mqtt"
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];
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# test extra package passing from the module
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# provide package for postgresql support
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extraPackages = python3Packages: with python3Packages; [
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psycopg2
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];
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@ -114,33 +115,29 @@ in {
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system = nodes.hass.config.system.build.toplevel;
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in
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''
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import re
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import json
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start_all()
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# Parse the package path out of the systemd unit, as we cannot
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# access the final package, that is overridden inside the module,
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# by any other means.
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pattern = re.compile(r"path=(?P<path>[\/a-z0-9-.]+)\/bin\/hass")
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response = hass.execute("systemctl show -p ExecStart home-assistant.service")[1]
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match = pattern.search(response)
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assert match
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package = match.group('path')
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def get_journal_cursor(host) -> str:
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exit, out = host.execute("journalctl -u home-assistant.service -n1 -o json-pretty --output-fields=__CURSOR")
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def get_journal_cursor() -> str:
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exit, out = hass.execute("journalctl -u home-assistant.service -n1 -o json-pretty --output-fields=__CURSOR")
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assert exit == 0
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return json.loads(out)["__CURSOR"]
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def wait_for_homeassistant(host, cursor):
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host.wait_until_succeeds(f"journalctl --after-cursor='{cursor}' -u home-assistant.service | grep -q 'Home Assistant initialized in'")
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def get_journal_since(cursor) -> str:
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exit, out = hass.execute(f"journalctl --after-cursor='{cursor}' -u home-assistant.service")
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assert exit == 0
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return out
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def wait_for_homeassistant(cursor):
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hass.wait_until_succeeds(f"journalctl --after-cursor='{cursor}' -u home-assistant.service | grep -q 'Home Assistant initialized in'")
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hass.wait_for_unit("home-assistant.service")
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cursor = get_journal_cursor(hass)
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cursor = get_journal_cursor()
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with subtest("Check that YAML configuration file is in place"):
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hass.succeed("test -L ${configDir}/configuration.yaml")
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@ -148,19 +145,16 @@ in {
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with subtest("Check the lovelace config is copied because lovelaceConfigWritable = true"):
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hass.succeed("test -f ${configDir}/ui-lovelace.yaml")
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with subtest("Check extraComponents and extraPackages are considered from the package"):
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hass.succeed(f"grep -q 'colorama' {package}/extra_packages")
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hass.succeed(f"grep -q 'zha' {package}/extra_components")
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with subtest("Check extraComponents and extraPackages are considered from the module"):
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hass.succeed(f"grep -q 'psycopg2' {package}/extra_packages")
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hass.succeed(f"grep -q 'wake_on_lan' {package}/extra_components")
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with subtest("Check that Home Assistant's web interface and API can be reached"):
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wait_for_homeassistant(hass, cursor)
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wait_for_homeassistant(cursor)
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hass.wait_for_open_port(8123)
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hass.succeed("curl --fail http://localhost:8123/lovelace")
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with subtest("Check that declaratively configured components get setup"):
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journal = get_journal_since(cursor)
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for domain in ["emulated_hue", "wake_on_lan"]:
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assert f"Setup of domain {domain} took" in journal, f"{domain} setup missing"
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with subtest("Check that capabilities are passed for emulated_hue to bind to port 80"):
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hass.wait_for_open_port(80)
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hass.succeed("curl --fail http://localhost:80/description.xml")
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@ -169,25 +163,28 @@ in {
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hass.succeed("systemctl show -p DeviceAllow home-assistant.service | grep -q char-ttyUSB")
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with subtest("Check service reloads when configuration changes"):
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# store the old pid of the process
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pid = hass.succeed("systemctl show --property=MainPID home-assistant.service")
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cursor = get_journal_cursor(hass)
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hass.succeed("${system}/specialisation/differentName/bin/switch-to-configuration test")
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new_pid = hass.succeed("systemctl show --property=MainPID home-assistant.service")
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assert pid == new_pid, "The PID of the process should not change between process reloads"
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wait_for_homeassistant(hass, cursor)
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pid = hass.succeed("systemctl show --property=MainPID home-assistant.service")
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cursor = get_journal_cursor()
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hass.succeed("${system}/specialisation/differentName/bin/switch-to-configuration test")
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new_pid = hass.succeed("systemctl show --property=MainPID home-assistant.service")
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assert pid == new_pid, "The PID of the process should not change between process reloads"
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wait_for_homeassistant(cursor)
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with subtest("check service restarts when package changes"):
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pid = new_pid
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cursor = get_journal_cursor(hass)
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hass.succeed("${system}/specialisation/newFeature/bin/switch-to-configuration test")
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new_pid = hass.succeed("systemctl show --property=MainPID home-assistant.service")
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assert pid != new_pid, "The PID of the process shoudl change when the HA binary changes"
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wait_for_homeassistant(hass, cursor)
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with subtest("Check service restarts when dependencies change"):
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pid = new_pid
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cursor = get_journal_cursor()
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hass.succeed("${system}/specialisation/newFeature/bin/switch-to-configuration test")
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new_pid = hass.succeed("systemctl show --property=MainPID home-assistant.service")
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assert pid != new_pid, "The PID of the process should change when its PYTHONPATH changess"
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wait_for_homeassistant(cursor)
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with subtest("Check that new components get setup after restart"):
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journal = get_journal_since(cursor)
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for domain in ["esphome"]:
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assert f"Setup of domain {domain} took" in journal, f"{domain} setup missing"
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with subtest("Check that no errors were logged"):
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output_log = hass.succeed("cat ${configDir}/home-assistant.log")
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assert "ERROR" not in output_log
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hass.fail("journalctl -u home-assistant -o cat | grep -q ERROR")
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with subtest("Check systemd unit hardening"):
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hass.log(hass.succeed("systemctl cat home-assistant.service"))
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