diff --git a/CONTRIBUTORS b/CONTRIBUTORS
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -1,4 +1,5 @@
 Archit Agrawal
 Avi Kelman (fiendish)
+Léni Gauffier
 Yann Gautier
 Sushant Sushant
diff --git a/requirements.txt b/requirements.txt
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,3 +7,4 @@
 iso8601
 beautifulsoup4
 pytz
+launchpadlib
\ No newline at end of file
diff --git a/setup.py b/setup.py
--- a/setup.py
+++ b/setup.py
@@ -65,6 +65,7 @@
         lister.packagist=swh.lister.packagist:register
         lister.phabricator=swh.lister.phabricator:register
         lister.pypi=swh.lister.pypi:register
+        lister.launchpad=swh.lister.launchpad:register
     """,
     classifiers=[
         "Programming Language :: Python :: 3",
diff --git a/swh/lister/core/tests/conftest.py b/swh/lister/core/tests/conftest.py
--- a/swh/lister/core/tests/conftest.py
+++ b/swh/lister/core/tests/conftest.py
@@ -13,29 +13,32 @@
 from swh.lister import get_lister, SUPPORTED_LISTERS
 from swh.lister.core.models import initialize
 
-
 logger = logging.getLogger(__name__)
 
 
 @pytest.fixture
-def swh_listers(request, postgresql_proc, postgresql, swh_scheduler):
+def lister_db_url(postgresql_proc, postgresql):
     db_url = "postgresql://{user}@{host}:{port}/{dbname}".format(
         host=postgresql_proc.host,
         port=postgresql_proc.port,
         user="postgres",
         dbname="tests",
     )
-
     logger.debug("lister db_url: %s", db_url)
+    return db_url
+
+
+@pytest.fixture
+def swh_listers(request, lister_db_url, swh_scheduler):
 
     listers = {}
 
     # Prepare schema for all listers
     for lister_name in SUPPORTED_LISTERS:
-        lister = get_lister(lister_name, db_url=db_url)
+        lister = get_lister(lister_name, db_url=lister_db_url)
         lister.scheduler = swh_scheduler  # inject scheduler fixture
         listers[lister_name] = lister
-    initialize(create_engine(db_url), drop_tables=True)
+    initialize(create_engine(lister_db_url), drop_tables=True)
 
     # Add the load-archive-files expected by some listers (gnu, cran, ...)
     swh_scheduler.create_task_type(
diff --git a/swh/lister/launchpad/__init__.py b/swh/lister/launchpad/__init__.py
new file mode 100644
--- /dev/null
+++ b/swh/lister/launchpad/__init__.py
@@ -0,0 +1,14 @@
+# Copyright (C) 2020 the Software Heritage developers
+# License: GNU General Public License version 3, or any later version
+# See top-level LICENSE file for more information
+
+
+def register():
+    from .models import LaunchpadModel
+    from .lister import LaunchpadLister
+
+    return {
+        "models": [LaunchpadModel],
+        "lister": LaunchpadLister,
+        "task_modules": ["%s.tasks" % __name__],
+    }
diff --git a/swh/lister/launchpad/lister.py b/swh/lister/launchpad/lister.py
new file mode 100644
--- /dev/null
+++ b/swh/lister/launchpad/lister.py
@@ -0,0 +1,130 @@
+# Copyright (C) 2017-2020 The Software Heritage developers
+# See the AUTHORS file at the top-level directory of this distribution
+# License: GNU General Public License version 3, or any later version
+# See top-level LICENSE file for more information
+
+from typing import Optional, Dict, List, Union, Tuple, Any
+
+from swh.lister.core.lister_base import ListerBase
+from .models import LaunchpadModel
+
+from itertools import count
+from launchpadlib.launchpad import Launchpad  # type: ignore
+from lazr.restfulclient.resource import Collection, Entry  # type: ignore
+from datetime import datetime, timedelta
+from sqlalchemy import func
+
+
+class LaunchpadLister(ListerBase):
+    MODEL = LaunchpadModel
+    LISTER_NAME = "launchpad"
+    instance = "launchpad"
+    launchpad: Launchpad
+    flush_packet_db = 20
+
+    def __init__(self, override_config=None):
+        super().__init__(override_config=override_config)
+        self.launchpad = Launchpad.login_anonymously(
+            "softwareheritage", "production", version="devel"
+        )
+
+    def get_model_from_repo(self, repo: Entry) -> Dict[str, Union[str, datetime]]:
+        return {
+            "uid": repo.unique_name,
+            "name": repo.name,
+            "full_name": repo.name,
+            "origin_url": repo.git_https_url,
+            "html_url": repo.web_link,
+            "origin_type": "git",
+            "date_last_modified": repo.date_last_modified,
+        }
+
+    def lib_response_simplified(
+        self, response: Collection
+    ) -> List[Dict[str, Union[str, datetime]]]:
+        return [
+            self.get_model_from_repo(repo) for repo in response[: len(response.entries)]
+        ]
+
+    def get_git_repos(self, threshold: Optional[datetime]) -> Collection:
+        get_repos = self.launchpad.git_repositories.getRepositories
+
+        return get_repos(order_by="most neglected first", modified_since_date=threshold)
+
+    def db_last_threshold(self) -> Optional[datetime]:
+        t = self.db_session.query(func.max(self.MODEL.date_last_modified)).first()
+        if t:
+            return t[0]
+        else:
+            return None
+
+    def ingest_data_lp(
+        self, identifier: Optional[datetime], checks: bool = False
+    ) -> Tuple[Collection, dict]:
+        """ The core data fetch sequence. Request launchpadlib endpoint. Simplify and
+            filter response list of repositories. Inject repo information into
+            local db. Queue loader tasks for linked repositories.
+
+        Args:
+            identifier: Resource identifier.
+            checks: Additional checks required
+        """
+        response = self.get_git_repos(identifier)
+        models_list = self.lib_response_simplified(response)
+        models_list = self.filter_before_inject(models_list)
+        if checks:
+            models_list = self.do_additional_checks(models_list)
+            if not models_list:
+                return response, {}
+        # inject into local db
+        injected = self.inject_repo_data_into_db(models_list)
+        # queue workers
+        self.schedule_missing_tasks(models_list, injected)
+        return response, injected
+
+    def run(self, max_bound: Optional[datetime] = None) -> Dict[str, Any]:
+        """ Main entry function. Sequentially fetches repository data
+            from the service according to the basic outline in the class
+            docstring, continually fetching sublists until either there
+            is no next index reference given or the given next index is greater
+            than the desired max_bound.
+
+        Args:
+            max_bound : optional date to start at
+        Returns:
+            Dict containing listing status
+        """
+        status = "uneventful"
+
+        def ingest_git_repos():
+            threshold = max_bound
+            for i in count(1):
+                response, injected_repos = self.ingest_data_lp(threshold)
+                if not response and not injected_repos:
+                    return
+
+                # batch is empty
+                if len(response.entries) == 0:
+                    return
+
+                first: datetime = response[0].date_last_modified
+                last: datetime = response[len(response.entries) - 1].date_last_modified
+
+                next_date = last - timedelta(seconds=15)
+
+                if next_date <= first:
+                    delta = last - first
+                    next_date = last - delta / 2
+
+                threshold = next_date
+                yield i
+
+        for i in ingest_git_repos():
+            if (i % self.flush_packet_db) == 0:
+                self.db_session.commit()
+                self.db_session = self.mk_session()
+                status = "eventful"
+
+        self.db_session.commit()
+        self.db_session = self.mk_session()
+        return {"status": status}
diff --git a/swh/lister/launchpad/models.py b/swh/lister/launchpad/models.py
new file mode 100644
--- /dev/null
+++ b/swh/lister/launchpad/models.py
@@ -0,0 +1,16 @@
+# Copyright (C) 2017-2020 the Software Heritage developers
+# License: GNU General Public License version 3, or any later version
+# See top-level LICENSE file for more information
+
+from sqlalchemy import Column, String, Date
+
+from swh.lister.core.models import ModelBase
+
+
+class LaunchpadModel(ModelBase):
+    """a Launchpad repository"""
+
+    __tablename__ = "launchpad_repo"
+
+    uid = Column(String, primary_key=True)
+    date_last_modified = Column(Date, index=True)
diff --git a/swh/lister/launchpad/tasks.py b/swh/lister/launchpad/tasks.py
new file mode 100644
--- /dev/null
+++ b/swh/lister/launchpad/tasks.py
@@ -0,0 +1,35 @@
+# Copyright (C) 2017-2020 the Software Heritage developers
+# License: GNU General Public License version 3, or any later version
+# See top-level LICENSE file for more information
+
+# import random
+
+from celery import shared_task
+
+from .lister import LaunchpadLister
+
+
+@shared_task(name=__name__ + ".IncrementalLaunchpadLister")
+def launchpad_lister_incremental(threshold, **lister_args):
+    """Incremental update
+    """
+    lister = LaunchpadLister(**lister_args)
+    return lister.run(max_bound=threshold)
+
+
+@shared_task(name=__name__ + ".FullLaunchpadLister", bind=True)
+def list_launchpad_full(self, **lister_args):
+    """Full update of Launchpad
+    """
+    self.log.debug("%s OK, spawned full task" % (self.name))
+    return launchpad_lister_incremental(threshold=None, **lister_args)
+
+
+@shared_task(name=__name__ + ".NewLaunchpadLister", bind=True)
+def list_launchpad_new(self, **lister_args):
+    """Update new entries of Launchpad
+    """
+    lister = LaunchpadLister(**lister_args)
+    threshold = lister.db_last_threshold()
+    self.log.debug("%s OK, spawned new task" % (self.name))
+    return launchpad_lister_incremental(threshold=threshold, **lister_args)
diff --git a/swh/lister/launchpad/tests/__init__.py b/swh/lister/launchpad/tests/__init__.py
new file mode 100644
diff --git a/swh/lister/launchpad/tests/conftest.py b/swh/lister/launchpad/tests/conftest.py
new file mode 100644
--- /dev/null
+++ b/swh/lister/launchpad/tests/conftest.py
@@ -0,0 +1,46 @@
+from swh.lister.core.tests.conftest import *  # noqa
+from datetime import datetime
+import json
+import os
+from unittest.mock import patch
+import pytest
+from swh.lister import get_lister
+from swh.lister.core.models import initialize
+from sqlalchemy.engine import create_engine
+
+
+@pytest.fixture
+def lister_launchpad(datadir, lister_db_url, swh_scheduler):
+    class Collection:
+        entries = []
+
+        def __init__(self, file):
+            self.entries = [Repo(r) for r in file]
+
+        def __getitem__(self, key):
+            return self.entries[key]
+
+    class Repo:
+        def __init__(self, d: dict):
+            for key in d.keys():
+                if key == "date_last_modified":
+                    setattr(self, key, datetime.fromisoformat(d[key]))
+                else:
+                    setattr(self, key, d[key])
+
+    def mock_lp_response(page) -> Collection:
+        response_filepath = os.path.join(datadir, f"response{page}.json")
+        with open(response_filepath, "r", encoding="utf-8") as f:
+            return Collection(json.load(f))
+
+    with patch("launchpadlib.launchpad.Launchpad.login_anonymously"):
+        lister = get_lister("launchpad", db_url=lister_db_url)
+
+    lister.scheduler = swh_scheduler  # inject scheduler fixture
+    lister.launchpad.git_repositories.getRepositories.side_effect = [
+        mock_lp_response(i) for i in range(3)
+    ]
+
+    initialize(create_engine(lister_db_url), drop_tables=True)
+
+    return lister
diff --git a/swh/lister/launchpad/tests/data/response0.json b/swh/lister/launchpad/tests/data/response0.json
new file mode 100644
--- /dev/null
+++ b/swh/lister/launchpad/tests/data/response0.json
@@ -0,0 +1,107 @@
+[
+    {
+       "unique_name":"~ubuntu-kernel/ubuntu/+source/linux-meta/+git/raring",
+       "name":"raring",
+       "git_https_url":"https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux-meta/+git/raring",
+       "web_link":"https://code.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux-meta/+git/raring",
+       "date_last_modified":"2015-05-18T16:05:23.706734+00:00"
+    },
+    {
+       "unique_name":"~ubuntu-kernel/ubuntu/+source/linux-signed/+git/raring",
+       "name":"raring",
+       "git_https_url":"https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux-signed/+git/raring",
+       "web_link":"https://code.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux-signed/+git/raring",
+       "date_last_modified":"2015-05-18T16:05:25.200936+00:00"
+    },
+    {
+       "unique_name":"~ubuntu-kernel/ubuntu/+source/linux/+git/quantal",
+       "name":"quantal",
+       "git_https_url":"https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/quantal",
+       "web_link":"https://code.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/quantal",
+       "date_last_modified":"2015-05-18T16:58:59.809000+00:00"
+    },
+    {
+       "unique_name":"~ubuntu-kernel/ubuntu/+source/linux-meta/+git/quantal",
+       "name":"quantal",
+       "git_https_url":"https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux-meta/+git/quantal",
+       "web_link":"https://code.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux-meta/+git/quantal",
+       "date_last_modified":"2015-05-18T17:04:31.267631+00:00"
+    },
+    {
+       "unique_name":"~ubuntu-kernel/ubuntu/+source/linux-signed/+git/quantal",
+       "name":"quantal",
+       "git_https_url":"https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux-signed/+git/quantal",
+       "web_link":"https://code.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux-signed/+git/quantal",
+       "date_last_modified":"2015-05-18T17:04:32.689598+00:00"
+    },
+    {
+       "unique_name":"~ki7mt/jtsdk/+git/jtsdk",
+       "name":"jtsdk",
+       "git_https_url":"https://git.launchpad.net/jtsdk",
+       "web_link":"https://code.launchpad.net/~ki7mt/jtsdk/+git/jtsdk",
+       "date_last_modified":"2015-05-18T18:45:38.235509+00:00"
+    },
+    {
+       "unique_name":"~ki7mt/flsdk/+git/flsdk",
+       "name":"flsdk",
+       "git_https_url":"https://git.launchpad.net/flsdk",
+       "web_link":"https://code.launchpad.net/~ki7mt/flsdk/+git/flsdk",
+       "date_last_modified":"2015-05-18T20:37:26.560139+00:00"
+    },
+    {
+       "unique_name":"~martinatkins/alamatic/+git/alamatic",
+       "name":"alamatic",
+       "git_https_url":"https://git.launchpad.net/alamatic",
+       "web_link":"https://code.launchpad.net/~martinatkins/alamatic/+git/alamatic",
+       "date_last_modified":"2015-05-19T05:07:03.315855+00:00"
+    },
+    {
+       "unique_name":"~registry/zope-cmfcore/+git/zope-cmfcore",
+       "name":"zope-cmfcore",
+       "git_https_url":"https://git.launchpad.net/zope-cmfcore",
+       "web_link":"https://code.launchpad.net/~registry/zope-cmfcore/+git/zope-cmfcore",
+       "date_last_modified":"2015-05-22T21:00:16.480059+00:00"
+    },
+    {
+       "unique_name":"~registry/zope-cmfdefault/+git/zope-cmfdefault",
+       "name":"zope-cmfdefault",
+       "git_https_url":"https://git.launchpad.net/zope-cmfdefault",
+       "web_link":"https://code.launchpad.net/~registry/zope-cmfdefault/+git/zope-cmfdefault",
+       "date_last_modified":"2015-05-22T22:42:01.691765+00:00"
+    },
+    {
+       "unique_name":"~registry/zope-cmftopic/+git/zope-cmftopic",
+       "name":"zope-cmftopic",
+       "git_https_url":"https://git.launchpad.net/zope-cmftopic",
+       "web_link":"https://code.launchpad.net/~registry/zope-cmftopic/+git/zope-cmftopic",
+       "date_last_modified":"2015-05-22T22:59:46.944212+00:00"
+    },
+    {
+       "unique_name":"~registry/zope-cmfcalendar/+git/zope-cmfcalendar",
+       "name":"zope-cmfcalendar",
+       "git_https_url":"https://git.launchpad.net/zope-cmfcalendar",
+       "web_link":"https://code.launchpad.net/~registry/zope-cmfcalendar/+git/zope-cmfcalendar",
+       "date_last_modified":"2015-05-22T23:17:21.644526+00:00"
+    },
+    {
+       "unique_name":"~registry/zope-cmfuid/+git/zope-cmfuid",
+       "name":"zope-cmfuid",
+       "git_https_url":"https://git.launchpad.net/zope-cmfuid",
+       "web_link":"https://code.launchpad.net/~registry/zope-cmfuid/+git/zope-cmfuid",
+       "date_last_modified":"2015-05-22T23:33:56.253122+00:00"
+    },
+    {
+       "unique_name":"~registry/zope-cmf-buildout/+git/zope-cmf-buildout",
+       "name":"zope-cmf-buildout",
+       "git_https_url":"https://git.launchpad.net/zope-cmf-buildout",
+       "web_link":"https://code.launchpad.net/~registry/zope-cmf-buildout/+git/zope-cmf-buildout",
+       "date_last_modified":"2015-05-26T01:01:50.249139+00:00"
+    },
+    {
+       "unique_name":"~pspmteam/libertine/+git/libertine",
+       "name":"libertine",
+       "git_https_url":"https://git.launchpad.net/libertine",
+       "web_link":"https://code.launchpad.net/~pspmteam/libertine/+git/libertine",
+       "date_last_modified":"2015-05-27T13:45:40.133292+00:00"
+    }
+ ]
\ No newline at end of file
diff --git a/swh/lister/launchpad/tests/data/response1.json b/swh/lister/launchpad/tests/data/response1.json
new file mode 100644
--- /dev/null
+++ b/swh/lister/launchpad/tests/data/response1.json
@@ -0,0 +1,107 @@
+[
+    {
+       "unique_name":"~bafu/+git/hwestack-helper",
+       "name":"hwestack-helper",
+       "git_https_url":"https://git.launchpad.net/~bafu/+git/hwestack-helper",
+       "web_link":"https://code.launchpad.net/~bafu/+git/hwestack-helper",
+       "date_last_modified":"2015-05-28T10:11:39.102130+00:00"
+    },
+    {
+       "unique_name":"~cryptsetup-tpm-team/cryptsetup-tpm/+git/cryptsetup-tpm",
+       "name":"cryptsetup-tpm",
+       "git_https_url":"https://git.launchpad.net/cryptsetup-tpm",
+       "web_link":"https://code.launchpad.net/~cryptsetup-tpm-team/cryptsetup-tpm/+git/cryptsetup-tpm",
+       "date_last_modified":"2015-05-29T08:04:46.949494+00:00"
+    },
+    {
+       "unique_name":"~libertine-team/libertine/+git/libertine",
+       "name":"libertine",
+       "git_https_url":"https://git.launchpad.net/~libertine-team/libertine/+git/libertine",
+       "web_link":"https://code.launchpad.net/~libertine-team/libertine/+git/libertine",
+       "date_last_modified":"2015-06-02T13:51:52.869335+00:00"
+    },
+    {
+       "unique_name":"~ursinha/rosetta2wiki/+git/rosetta2wiki",
+       "name":"rosetta2wiki",
+       "git_https_url":"https://git.launchpad.net/rosetta2wiki",
+       "web_link":"https://code.launchpad.net/~ursinha/rosetta2wiki/+git/rosetta2wiki",
+       "date_last_modified":"2015-06-03T14:26:56.098899+00:00"
+    },
+    {
+       "unique_name":"~rvb/+git/test-git-repo2",
+       "name":"test-git-repo2",
+       "git_https_url":"https://git.launchpad.net/~rvb/+git/test-git-repo2",
+       "web_link":"https://code.launchpad.net/~rvb/+git/test-git-repo2",
+       "date_last_modified":"2015-06-04T09:45:10.316365+00:00"
+    },
+    {
+       "unique_name":"~maas-maintainers/+git/test-git-repo",
+       "name":"test-git-repo",
+       "git_https_url":"https://git.launchpad.net/~maas-maintainers/+git/test-git-repo",
+       "web_link":"https://code.launchpad.net/~maas-maintainers/+git/test-git-repo",
+       "date_last_modified":"2015-06-04T09:52:15.858834+00:00"
+    },
+    {
+       "unique_name":"~zyga/+git/hwcert-tools",
+       "name":"hwcert-tools",
+       "git_https_url":"https://git.launchpad.net/~zyga/+git/hwcert-tools",
+       "web_link":"https://code.launchpad.net/~zyga/+git/hwcert-tools",
+       "date_last_modified":"2015-06-05T09:19:34.219427+00:00"
+    },
+    {
+       "unique_name":"~kaxing/+git/2fa",
+       "name":"2fa",
+       "git_https_url":"https://git.launchpad.net/~kaxing/+git/2fa",
+       "web_link":"https://code.launchpad.net/~kaxing/+git/2fa",
+       "date_last_modified":"2015-06-05T10:42:56.025561+00:00"
+    },
+    {
+       "unique_name":"~profzoom/+git/frobby",
+       "name":"frobby",
+       "git_https_url":"https://git.launchpad.net/~profzoom/+git/frobby",
+       "web_link":"https://code.launchpad.net/~profzoom/+git/frobby",
+       "date_last_modified":"2015-06-06T03:55:15.411463+00:00"
+    },
+    {
+       "unique_name":"~dpniel/+git/test-git",
+       "name":"test-git",
+       "git_https_url":"https://git.launchpad.net/~dpniel/+git/test-git",
+       "web_link":"https://code.launchpad.net/~dpniel/+git/test-git",
+       "date_last_modified":"2015-06-08T06:29:11.354988+00:00"
+    },
+    {
+       "unique_name":"~corey.bryant/+git/python-cinderclient",
+       "name":"python-cinderclient",
+       "git_https_url":"https://git.launchpad.net/~corey.bryant/+git/python-cinderclient",
+       "web_link":"https://code.launchpad.net/~corey.bryant/+git/python-cinderclient",
+       "date_last_modified":"2015-06-08T17:58:17.282686+00:00"
+    },
+    {
+       "unique_name":"~corey.bryant/+git/python-glanceclient",
+       "name":"python-glanceclient",
+       "git_https_url":"https://git.launchpad.net/~corey.bryant/+git/python-glanceclient",
+       "web_link":"https://code.launchpad.net/~corey.bryant/+git/python-glanceclient",
+       "date_last_modified":"2015-06-09T15:46:32.870529+00:00"
+    },
+    {
+       "unique_name":"~zyga/hwcert-tools/+git/hwcert-tools",
+       "name":"hwcert-tools",
+       "git_https_url":"https://git.launchpad.net/~zyga/hwcert-tools/+git/hwcert-tools",
+       "web_link":"https://code.launchpad.net/~zyga/hwcert-tools/+git/hwcert-tools",
+       "date_last_modified":"2015-06-09T17:15:25.299211+00:00"
+    },
+    {
+       "unique_name":"~ubuntu-system-image/ubuntu-system-image/+git/documentation",
+       "name":"documentation",
+       "git_https_url":"https://git.launchpad.net/~ubuntu-system-image/ubuntu-system-image/+git/documentation",
+       "web_link":"https://code.launchpad.net/~ubuntu-system-image/ubuntu-system-image/+git/documentation",
+       "date_last_modified":"2015-06-09T17:33:52.254130+00:00"
+    },
+    {
+       "unique_name":"~corey.bryant/+git/python-novaclient",
+       "name":"python-novaclient",
+       "git_https_url":"https://git.launchpad.net/~corey.bryant/+git/python-novaclient",
+       "web_link":"https://code.launchpad.net/~corey.bryant/+git/python-novaclient",
+       "date_last_modified":"2015-06-09T19:50:55.238308+00:00"
+    }
+ ]
\ No newline at end of file
diff --git a/swh/lister/launchpad/tests/data/response2.json b/swh/lister/launchpad/tests/data/response2.json
new file mode 100644
--- /dev/null
+++ b/swh/lister/launchpad/tests/data/response2.json
@@ -0,0 +1 @@
+[]
\ No newline at end of file
diff --git a/swh/lister/launchpad/tests/test_lister.py b/swh/lister/launchpad/tests/test_lister.py
new file mode 100644
--- /dev/null
+++ b/swh/lister/launchpad/tests/test_lister.py
@@ -0,0 +1,27 @@
+def test_launchpad_lister(lister_launchpad, datadir):
+
+    lister_launchpad.run()
+
+    assert (
+        len(lister_launchpad.launchpad.git_repositories.getRepositories.mock_calls) == 3
+    )
+
+    r = lister_launchpad.scheduler.search_tasks(task_type="load-git")
+    assert len(r) == 30
+
+    for row in r:
+        assert row["type"] == "load-git"
+        # arguments check
+        args = row["arguments"]["args"]
+        assert len(args) == 0
+
+        # kwargs
+        kwargs = row["arguments"]["kwargs"]
+        assert set(kwargs.keys()) == {"url"}
+
+        url = kwargs["url"]
+        assert url.startswith("https://git.launchpad.net")
+
+        assert row["policy"] == "recurring"
+        assert row["priority"] is None
+        assert row["retries_left"] == 0
diff --git a/swh/lister/launchpad/tests/test_tasks.py b/swh/lister/launchpad/tests/test_tasks.py
new file mode 100644
--- /dev/null
+++ b/swh/lister/launchpad/tests/test_tasks.py
@@ -0,0 +1,33 @@
+from unittest.mock import patch
+
+
+@patch("swh.lister.launchpad.tasks.LaunchpadLister")
+def test_new(lister, swh_app, celery_session_worker):
+    # setup the mocked LaunchpadLister
+    lister.return_value = lister
+    lister.run.return_value = None
+
+    res = swh_app.send_task("swh.lister.launchpad.tasks.NewLaunchpadLister")
+    assert res
+    res.wait()
+    assert res.successful()
+
+    assert lister.call_count == 2
+    lister.db_last_threshold.assert_called_once()
+    lister.run.assert_called_once()
+
+
+@patch("swh.lister.launchpad.tasks.LaunchpadLister")
+def test_full(lister, swh_app, celery_session_worker):
+    # setup the mocked LaunchpadLister
+    lister.return_value = lister
+    lister.run.return_value = None
+
+    res = swh_app.send_task("swh.lister.launchpad.tasks.FullLaunchpadLister")
+    assert res
+    res.wait()
+    assert res.successful()
+
+    lister.assert_called_once()
+    lister.db_last_threshold.assert_not_called()
+    lister.run.assert_called_once_with(max_bound=None)
diff --git a/swh/lister/tests/test_cli.py b/swh/lister/tests/test_cli.py
--- a/swh/lister/tests/test_cli.py
+++ b/swh/lister/tests/test_cli.py
@@ -47,7 +47,7 @@
         lst = get_lister(
             lister_name,
             db_url,
-            **{"url": url, "priority": "high", "policy": "oneshot",}
+            **{"url": url, "priority": "high", "policy": "oneshot",},
         )
 
         assert lst.url == url