- given: there is no "{args:text}" process
  impl:
    python:
      function: daemon_no_such_process
  doc: |
    Ensure a given process is not running.

- given: a daemon helper shell script {filename}
  impl:
    python:
      function: _daemon_shell_script
  types:
    filename: file
  doc: |
    Install a helper script from an embedded file.

- when: I start "{path}{args:text}" as a background process as {name}, on port {port}
  impl:
    python:
      function: daemon_start_on_port
  doc: |
    Start a process in the background (as a daemon) and wait until it
    listens on its assigned port.

- when: I start "(?P<path>[^ "]+)(?P<args>[^"]*)" as a background process as (?P<name>[^,]+), on port (?P<port>\d+), with environment (?P<env>.*)
  regex: true
  types:
    args: text
    path: path
    name: text
    port: uint
    env: text
  impl:
    python:
      function: daemon_start_on_port
  doc: |
    Start a process in the background (as a daemon) and wait until it
    listens on its assigned port. Remember the process under the given
    name.

- when: I try to start "{path}{args:text}" as {name}, on port {port}
  impl:
    python:
      function: _daemon_start_soonish
      cleanup: _daemon_stop_soonish
  doc: |
    Try to start a background process (as a daemon), but don't fail if
    starting it fails.

- when: I try to start "(?P<path>[^ "]+)(?P<args>[^"]*)" as (?P<name>[^,]+), on port (?P<port>\d+), with environment (?P<env>.*)
  regex: true
  types:
    path: path
    args: text
    name: text
    port: uint
    env: text
  impl:
    python:
      function: _daemon_start_soonish
      cleanup: _daemon_stop_soonish
  doc: |
    Start a process in the background (as a daemon) and wait until it
    listens on its assigned port. Remember the process under the given
    name. Don't fail if this fails.

- when: I start "{path}{args:text}" as a background process as {name}
  impl:
    python:
      function: _daemon_start
  doc: |
    Start a process in the background (as a daemon). Remember the
    process under the given name. Don't fail if this fails.

- when: I start "(?P<path>[^ "]+)(?P<args>[^"]*)" as a background process as (?P<name>[^,]+), with environment (?P<env>.*)
  regex: true
  types:
    path: path
    args: text
    name: text
    env: text
  impl:
    python:
      function: _daemon_start
  doc: |
    Start a process in the background (as a daemon), with specific
    environment variables set. Remember the process under the given
    name. Don't fail if this fails.

- when: I stop background process {name}
  impl:
    python:
      function: daemon_stop
  doc: |
    Stop a background process that was started earlier with the given
    name.

- when: daemon {name} has produced output
  impl:
    python:
      function: daemon_has_produced_output
  doc: |
    Wait until the named daemon has produced output to its stdout or
    stderr.

- then: a process "{args:text}" is running
  impl:
    python:
      function: daemon_process_exists
  doc: |
    Check that a given process is running.

- then: there is no "{args:text}" process
  impl:
    python:
      function: daemon_no_such_process
  doc: |
    Check that a given process is not running.

- then: starting daemon fails with "{message:text}"
  impl:
    python:
      function: daemon_start_fails_with
  doc: |
    Check that starting a daemon previously failed, and the error
    message contains the given text.

- then: starting the daemon succeeds
  impl:
    python:
      function: daemon_start_succeeds
  doc: |
    Check that staring a daemon previous succeeded.

- then: daemon {name} stdout is "{text:text}"
  impl:
    python:
      function: daemon_stdout_is
  doc: |
    Check that the named daemon has written exactly the given text to
    its stdout.

- then: daemon {name} stdout contains "{text:text}"
  impl:
    python:
      function: daemon_stdout_contains
  doc: |
    Check that the named daemon has written the given text to its
    stdout, possibly among other text.

- then: daemon {name} stdout doesn't contain "{text:text}"
  impl:
    python:
      function: daemon_stdout_doesnt_contain
  doc: |
    Check that the named daemon has not written the given text to its
    stdout.

- then: daemon {name} stderr is "{text:text}"
  impl:
    python:
      function: daemon_stderr_is
  doc: |
    Check that the named daemon has written exactly the given text to
    its stderr.