diff --git a/.github/workflows/test-devel.yml b/.github/workflows/test-devel.yml
index 640e680..5d18ad2 100644
--- a/.github/workflows/test-devel.yml
+++ b/.github/workflows/test-devel.yml
@@ -435,8 +435,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -473,8 +473,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -505,8 +505,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -544,8 +544,8 @@ jobs:
         cd $GITHUB_WORKSPACE/ergo/
         make build
         make install
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -582,8 +582,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -614,8 +614,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -652,8 +652,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -690,8 +690,8 @@ jobs:
         ./configure --prefix=$HOME/.local/ --with-maxcon=1024 --enable-debug
         make -j 4
         make install
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -717,8 +717,8 @@ jobs:
     - name: Install dependencies
       run: pip install git+https://github.com/ProgVal/Limnoria.git@testing cryptography
         pyxmpp2-scram
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -749,8 +749,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -787,8 +787,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -819,8 +819,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -857,8 +857,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -889,8 +889,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -915,8 +915,8 @@ jobs:
         python-version: 3.7
     - name: Install dependencies
       run: pip install git+https://github.com/sopel-irc/sopel.git
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -947,8 +947,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -979,8 +979,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -1017,8 +1017,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -1049,8 +1049,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
diff --git a/.github/workflows/test-devel_release.yml b/.github/workflows/test-devel_release.yml
index 0b25abb..02d2524 100644
--- a/.github/workflows/test-devel_release.yml
+++ b/.github/workflows/test-devel_release.yml
@@ -121,8 +121,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -159,8 +159,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -191,8 +191,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
diff --git a/.github/workflows/test-stable.yml b/.github/workflows/test-stable.yml
index 0e66d6d..7e0a1a3 100644
--- a/.github/workflows/test-stable.yml
+++ b/.github/workflows/test-stable.yml
@@ -478,8 +478,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -516,8 +516,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -548,8 +548,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -580,8 +580,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -619,8 +619,8 @@ jobs:
         cd $GITHUB_WORKSPACE/ergo/
         make build
         make install
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -657,8 +657,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -689,8 +689,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -727,8 +727,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -759,8 +759,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -813,8 +813,8 @@ jobs:
         mkdir -p $HOME/.local/bin
 
         cp $HOME/.local/sbin/ircd $HOME/.local/bin/ircd'
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -851,8 +851,8 @@ jobs:
         ./configure --prefix=$HOME/.local/ --with-maxcon=1024 --enable-debug
         make -j 4
         make install
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -877,8 +877,8 @@ jobs:
         python-version: 3.7
     - name: Install dependencies
       run: pip install limnoria==2022.03.17 cryptography pyxmpp2-scram
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -909,8 +909,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -947,8 +947,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -979,8 +979,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -1017,8 +1017,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -1049,8 +1049,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -1075,8 +1075,8 @@ jobs:
         python-version: 3.7
     - name: Install dependencies
       run: pip install sopel==7.1.8
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -1107,8 +1107,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -1139,8 +1139,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -1177,8 +1177,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
@@ -1209,8 +1209,8 @@ jobs:
         path: '~'
     - name: Unpack artefacts
       run: cd ~; find -name 'artefacts-*.tar.gz' -exec tar -xzf '{}' \;
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
+    - name: Install system dependencies
+      run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies
       run: |-
         python -m pip install --upgrade pip
diff --git a/README.md b/README.md
index 7aac195..18edbc5 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,7 @@ have no side effect.
 Install irctest and dependencies:
 
 ```
+sudo apt install faketime  # Optional, but greatly speeds up irctest/server_tests/list.py
 cd ~
 git clone https://github.com/ProgVal/irctest.git
 cd irctest
diff --git a/irctest/basecontrollers.py b/irctest/basecontrollers.py
index b1464ac..e8680b3 100644
--- a/irctest/basecontrollers.py
+++ b/irctest/basecontrollers.py
@@ -189,6 +189,10 @@ class BaseServerController(_BaseController):
     """Character used for the 'mute' extban"""
     nickserv = "NickServ"
 
+    def __init__(self, *args: Any, **kwargs: Any):
+        super().__init__(*args, **kwargs)
+        self.faketime_enabled = False
+
     def get_hostname_and_port(self) -> Tuple[str, int]:
         return find_hostname_and_port()
 
@@ -202,6 +206,7 @@ class BaseServerController(_BaseController):
         run_services: bool,
         valid_metadata_keys: Optional[Set[str]],
         invalid_metadata_keys: Optional[Set[str]],
+        faketime: Optional[str],
     ) -> None:
         raise NotImplementedError()
 
diff --git a/irctest/cases.py b/irctest/cases.py
index 4dbd43a..a259b7f 100644
--- a/irctest/cases.py
+++ b/irctest/cases.py
@@ -508,6 +508,12 @@ class BaseServerTestCase(
     server_support: Optional[Dict[str, Optional[str]]]
     run_services = False
 
+    faketime: Optional[str] = None
+    """If not None and the controller supports it and libfaketime is available,
+    runs the server using faketime and this value set as the $FAKETIME env variable.
+    Tests must check ``self.controller.faketime_enabled`` is True before
+    relying on this."""
+
     __new__ = object.__new__  # pytest won't collect Generic[] subclasses otherwise
 
     def setUp(self) -> None:
@@ -522,6 +528,7 @@ class BaseServerTestCase(
             invalid_metadata_keys=self.invalid_metadata_keys,
             ssl=self.ssl,
             run_services=self.run_services,
+            faketime=self.faketime,
         )
         self.clients: Dict[TClientName, client_mock.ClientMock] = {}
 
diff --git a/irctest/controllers/bahamut.py b/irctest/controllers/bahamut.py
index 01cd4dd..6a23aaa 100644
--- a/irctest/controllers/bahamut.py
+++ b/irctest/controllers/bahamut.py
@@ -102,6 +102,7 @@ class BahamutController(BaseServerController, DirectoryBasedController):
         valid_metadata_keys: Optional[Set[str]] = None,
         invalid_metadata_keys: Optional[Set[str]] = None,
         restricted_metadata_keys: Optional[Set[str]] = None,
+        faketime: Optional[str],
     ) -> None:
         if valid_metadata_keys or invalid_metadata_keys:
             raise NotImplementedByController(
@@ -136,15 +137,21 @@ class BahamutController(BaseServerController, DirectoryBasedController):
                     # pem_path=self.pem_path,
                 )
             )
+
+        if faketime and shutil.which("faketime"):
+            faketime_cmd = ["faketime", "-f", faketime]
+            self.faketime_enabled = True
+        else:
+            faketime_cmd = []
+
         self.proc = subprocess.Popen(
             [
-                # "strace", "-f", "-e", "file",
+                *faketime_cmd,
                 "ircd",
                 "-t",  # don't fork
                 "-f",
                 os.path.join(self.directory, "server.conf"),
             ],
-            # stdout=subprocess.DEVNULL,
         )
 
         if run_services:
diff --git a/irctest/controllers/base_hybrid.py b/irctest/controllers/base_hybrid.py
index f91229a..e2c0418 100644
--- a/irctest/controllers/base_hybrid.py
+++ b/irctest/controllers/base_hybrid.py
@@ -1,4 +1,5 @@
 import os
+import shutil
 import subprocess
 from typing import Optional, Set
 
@@ -43,6 +44,7 @@ class BaseHybridController(BaseServerController, DirectoryBasedController):
         run_services: bool,
         valid_metadata_keys: Optional[Set[str]] = None,
         invalid_metadata_keys: Optional[Set[str]] = None,
+        faketime: Optional[str],
     ) -> None:
         if valid_metadata_keys or invalid_metadata_keys:
             raise NotImplementedByController(
@@ -73,8 +75,16 @@ class BaseHybridController(BaseServerController, DirectoryBasedController):
                 )
             )
         assert self.directory
+
+        if faketime and shutil.which("faketime"):
+            faketime_cmd = ["faketime", "-f", faketime]
+            self.faketime_enabled = True
+        else:
+            faketime_cmd = []
+
         self.proc = subprocess.Popen(
             [
+                *faketime_cmd,
                 self.binary_name,
                 "-foreground",
                 "-configfile",
diff --git a/irctest/controllers/ergo.py b/irctest/controllers/ergo.py
index d6e80ab..3878e7b 100644
--- a/irctest/controllers/ergo.py
+++ b/irctest/controllers/ergo.py
@@ -1,6 +1,7 @@
 import copy
 import json
 import os
+import shutil
 import subprocess
 from typing import Any, Dict, Optional, Set, Type, Union
 
@@ -155,6 +156,7 @@ class ErgoController(BaseServerController, DirectoryBasedController):
         valid_metadata_keys: Optional[Set[str]] = None,
         invalid_metadata_keys: Optional[Set[str]] = None,
         restricted_metadata_keys: Optional[Set[str]] = None,
+        faketime: Optional[str],
         config: Optional[Any] = None,
     ) -> None:
         if valid_metadata_keys or invalid_metadata_keys:
@@ -202,8 +204,15 @@ class ErgoController(BaseServerController, DirectoryBasedController):
         self._write_config()
         subprocess.call(["ergo", "initdb", "--conf", self._config_path, "--quiet"])
         subprocess.call(["ergo", "mkcerts", "--conf", self._config_path, "--quiet"])
+
+        if faketime and shutil.which("faketime"):
+            faketime_cmd = ["faketime", "-f", faketime]
+            self.faketime_enabled = True
+        else:
+            faketime_cmd = []
+
         self.proc = subprocess.Popen(
-            ["ergo", "run", "--conf", self._config_path, "--quiet"]
+            [*faketime_cmd, "ergo", "run", "--conf", self._config_path, "--quiet"]
         )
 
     def wait_for_services(self) -> None:
diff --git a/irctest/controllers/external_server.py b/irctest/controllers/external_server.py
index 5ecbae0..e8c822a 100644
--- a/irctest/controllers/external_server.py
+++ b/irctest/controllers/external_server.py
@@ -42,6 +42,7 @@ class ExternalServerController(BaseServerController):
         valid_metadata_keys: Optional[Set[str]] = None,
         invalid_metadata_keys: Optional[Set[str]] = None,
         restricted_metadata_keys: Optional[Set[str]] = None,
+        faketime: Optional[str],
     ) -> None:
         pass
 
diff --git a/irctest/controllers/inspircd.py b/irctest/controllers/inspircd.py
index 1cd40ba..24167aa 100644
--- a/irctest/controllers/inspircd.py
+++ b/irctest/controllers/inspircd.py
@@ -1,4 +1,5 @@
 import os
+import shutil
 import subprocess
 from typing import Optional, Set, Type
 
@@ -114,6 +115,7 @@ class InspircdController(BaseServerController, DirectoryBasedController):
         valid_metadata_keys: Optional[Set[str]] = None,
         invalid_metadata_keys: Optional[Set[str]] = None,
         restricted_metadata_keys: Optional[Set[str]] = None,
+        faketime: Optional[str] = None,
     ) -> None:
         if valid_metadata_keys or invalid_metadata_keys:
             raise NotImplementedByController(
@@ -147,8 +149,16 @@ class InspircdController(BaseServerController, DirectoryBasedController):
                 )
             )
         assert self.directory
+
+        if faketime and shutil.which("faketime"):
+            faketime_cmd = ["faketime", "-f", faketime]
+            self.faketime_enabled = True
+        else:
+            faketime_cmd = []
+
         self.proc = subprocess.Popen(
             [
+                *faketime_cmd,
                 "inspircd",
                 "--nofork",
                 "--config",
diff --git a/irctest/controllers/irc2.py b/irctest/controllers/irc2.py
index 56defc8..d901c0d 100644
--- a/irctest/controllers/irc2.py
+++ b/irctest/controllers/irc2.py
@@ -1,4 +1,5 @@
 import os
+import shutil
 import subprocess
 from typing import Optional, Set, Type
 
@@ -51,6 +52,7 @@ class Ircu2Controller(BaseServerController, DirectoryBasedController):
         run_services: bool,
         valid_metadata_keys: Optional[Set[str]] = None,
         invalid_metadata_keys: Optional[Set[str]] = None,
+        faketime: Optional[str],
     ) -> None:
         if valid_metadata_keys or invalid_metadata_keys:
             raise NotImplementedByController(
@@ -76,8 +78,16 @@ class Ircu2Controller(BaseServerController, DirectoryBasedController):
                     pidfile=pidfile,
                 )
             )
+
+        if faketime and shutil.which("faketime"):
+            faketime_cmd = ["faketime", "-f", faketime]
+            self.faketime_enabled = True
+        else:
+            faketime_cmd = []
+
         self.proc = subprocess.Popen(
             [
+                *faketime_cmd,
                 "ircd",
                 "-s",  # no iauth
                 "-p",
diff --git a/irctest/controllers/ircu2.py b/irctest/controllers/ircu2.py
index 592cfd2..1b87338 100644
--- a/irctest/controllers/ircu2.py
+++ b/irctest/controllers/ircu2.py
@@ -1,4 +1,5 @@
 import os
+import shutil
 import subprocess
 from typing import Optional, Set, Type
 
@@ -69,6 +70,7 @@ class Ircu2Controller(BaseServerController, DirectoryBasedController):
         run_services: bool,
         valid_metadata_keys: Optional[Set[str]] = None,
         invalid_metadata_keys: Optional[Set[str]] = None,
+        faketime: Optional[str],
     ) -> None:
         if valid_metadata_keys or invalid_metadata_keys:
             raise NotImplementedByController(
@@ -94,8 +96,16 @@ class Ircu2Controller(BaseServerController, DirectoryBasedController):
                     pidfile=pidfile,
                 )
             )
+
+        if faketime and shutil.which("faketime"):
+            faketime_cmd = ["faketime", "-f", faketime]
+            self.faketime_enabled = True
+        else:
+            faketime_cmd = []
+
         self.proc = subprocess.Popen(
             [
+                *faketime_cmd,
                 "ircd",
                 "-n",  # don't detach
                 "-f",
diff --git a/irctest/controllers/mammon.py b/irctest/controllers/mammon.py
index c437139..591347e 100644
--- a/irctest/controllers/mammon.py
+++ b/irctest/controllers/mammon.py
@@ -1,4 +1,5 @@
 import os
+import shutil
 import subprocess
 from typing import Optional, Set, Type
 
@@ -92,6 +93,7 @@ class MammonController(BaseServerController, DirectoryBasedController):
         valid_metadata_keys: Optional[Set[str]] = None,
         invalid_metadata_keys: Optional[Set[str]] = None,
         restricted_metadata_keys: Optional[Set[str]] = None,
+        faketime: Optional[str],
     ) -> None:
         if password is not None:
             raise NotImplementedByController("PASS command")
@@ -113,8 +115,16 @@ class MammonController(BaseServerController, DirectoryBasedController):
         # with self.open_file('server.yml', 'r') as fd:
         #    print(fd.read())
         assert self.directory
+
+        if faketime and shutil.which("faketime"):
+            faketime_cmd = ["faketime", "-f", faketime]
+            self.faketime_enabled = True
+        else:
+            faketime_cmd = []
+
         self.proc = subprocess.Popen(
             [
+                *faketime_cmd,
                 "mammond",
                 "--nofork",  # '--debug',
                 "--config",
diff --git a/irctest/controllers/ngircd.py b/irctest/controllers/ngircd.py
index 17b3540..0999863 100644
--- a/irctest/controllers/ngircd.py
+++ b/irctest/controllers/ngircd.py
@@ -1,4 +1,5 @@
 import os
+import shutil
 import subprocess
 from typing import Optional, Set, Type
 
@@ -56,6 +57,7 @@ class NgircdController(BaseServerController, DirectoryBasedController):
         valid_metadata_keys: Optional[Set[str]] = None,
         invalid_metadata_keys: Optional[Set[str]] = None,
         restricted_metadata_keys: Optional[Set[str]] = None,
+        faketime: Optional[str],
     ) -> None:
         if valid_metadata_keys or invalid_metadata_keys:
             raise NotImplementedByController(
@@ -81,6 +83,7 @@ class NgircdController(BaseServerController, DirectoryBasedController):
             fd.write("\n")
 
         assert self.directory
+
         with self.open_file("server.conf") as fd:
             fd.write(
                 TEMPLATE_CONFIG.format(
@@ -94,8 +97,16 @@ class NgircdController(BaseServerController, DirectoryBasedController):
                     empty_file=os.path.join(self.directory, "empty.txt"),
                 )
             )
+
+        if faketime and shutil.which("faketime"):
+            faketime_cmd = ["faketime", "-f", faketime]
+            self.faketime_enabled = True
+        else:
+            faketime_cmd = []
+
         self.proc = subprocess.Popen(
             [
+                *faketime_cmd,
                 "ngircd",
                 "--nodaemon",
                 "--config",
diff --git a/irctest/controllers/snircd.py b/irctest/controllers/snircd.py
index 7fa9acc..2edb85c 100644
--- a/irctest/controllers/snircd.py
+++ b/irctest/controllers/snircd.py
@@ -1,4 +1,5 @@
 import os
+import shutil
 import subprocess
 from typing import Optional, Set, Type
 
@@ -69,6 +70,7 @@ class SnircdController(BaseServerController, DirectoryBasedController):
         run_services: bool,
         valid_metadata_keys: Optional[Set[str]] = None,
         invalid_metadata_keys: Optional[Set[str]] = None,
+        faketime: Optional[str],
     ) -> None:
         if valid_metadata_keys or invalid_metadata_keys:
             raise NotImplementedByController(
@@ -94,8 +96,16 @@ class SnircdController(BaseServerController, DirectoryBasedController):
                     pidfile=pidfile,
                 )
             )
+
+        if faketime and shutil.which("faketime"):
+            faketime_cmd = ["faketime", "-f", faketime]
+            self.faketime_enabled = True
+        else:
+            faketime_cmd = []
+
         self.proc = subprocess.Popen(
             [
+                *faketime_cmd,
                 "ircd",
                 "-n",  # don't detach
                 "-f",
diff --git a/irctest/controllers/unrealircd.py b/irctest/controllers/unrealircd.py
index af397c1..d9db353 100644
--- a/irctest/controllers/unrealircd.py
+++ b/irctest/controllers/unrealircd.py
@@ -1,8 +1,12 @@
 import functools
 import os
+<<<<<<< HEAD
 import pathlib
 import shutil
 import signal
+=======
+import shutil
+>>>>>>> 96e6642 (Add support for 'faketime', to avoid long sleeps in upcoming ELIST tests)
 import subprocess
 import textwrap
 from typing import Optional, Set, Type
@@ -156,6 +160,7 @@ class UnrealircdController(BaseServerController, DirectoryBasedController):
         valid_metadata_keys: Optional[Set[str]] = None,
         invalid_metadata_keys: Optional[Set[str]] = None,
         restricted_metadata_keys: Optional[Set[str]] = None,
+        faketime: Optional[str],
     ) -> None:
         if valid_metadata_keys or invalid_metadata_keys:
             raise NotImplementedByController(
@@ -192,6 +197,7 @@ class UnrealircdController(BaseServerController, DirectoryBasedController):
             fd.write("\n")
 
         assert self.directory
+
         with self.open_file("unrealircd.conf") as fd:
             fd.write(
                 TEMPLATE_CONFIG.format(
@@ -225,9 +231,16 @@ class UnrealircdController(BaseServerController, DirectoryBasedController):
                 proot_cmd = ["proot", "-b", f"{tmpdir}:{unrealircd_prefix}/tmp"]
                 self.using_proot = True
 
+        if faketime and shutil.which("faketime"):
+            faketime_cmd = ["faketime", "-f", faketime]
+            self.faketime_enabled = True
+        else:
+            faketime_cmd = []
+
         self.proc = subprocess.Popen(
             [
                 *proot_cmd,
+                *faketime_cmd,
                 "unrealircd",
                 "-t",
                 "-F",  # BOOT_NOFORK
diff --git a/make_workflows.py b/make_workflows.py
index 4a74f90..3e1895a 100644
--- a/make_workflows.py
+++ b/make_workflows.py
@@ -209,8 +209,8 @@ def get_test_job(*, config, test_config, test_id, version_flavor, jobs):
             *unpack,
             *install_steps,
             {
-                "name": "Install Atheme",
-                "run": "sudo apt-get install atheme-services",
+                "name": "Install system dependencies",
+                "run": "sudo apt-get install atheme-services faketime",
             },
             {
                 "name": "Install irctest dependencies",