feat: add counters to repository stats overview

docs/ahriman.core.formatters.rst

@@ -92,6 +92,14 @@ ahriman.core.formatters.repository\_printer module
    :no-undoc-members:
    :show-inheritance:
 
+ahriman.core.formatters.repository\_stats\_printer module
+---------------------------------------------------------
+
+.. automodule:: ahriman.core.formatters.repository_stats_printer
+   :members:
+   :no-undoc-members:
+   :show-inheritance:
+
 ahriman.core.formatters.status\_printer module
 ----------------------------------------------
 

docs/ahriman.models.rst

@@ -236,6 +236,14 @@ ahriman.models.repository\_paths module
    :no-undoc-members:
    :show-inheritance:
 
+ahriman.models.repository\_stats module
+---------------------------------------
+
+.. automodule:: ahriman.models.repository_stats
+   :members:
+   :no-undoc-members:
+   :show-inheritance:
+
 ahriman.models.result module
 ----------------------------
 
@@ -252,6 +260,14 @@ ahriman.models.scan\_paths module
    :no-undoc-members:
    :show-inheritance:
 
+ahriman.models.series\_statistics module
+----------------------------------------
+
+.. automodule:: ahriman.models.series_statistics
+   :members:
+   :no-undoc-members:
+   :show-inheritance:
+
 ahriman.models.sign\_settings module
 ------------------------------------
 

docs/ahriman.web.schemas.rst

@@ -260,6 +260,14 @@ ahriman.web.schemas.repository\_id\_schema module
    :no-undoc-members:
    :show-inheritance:
 
+ahriman.web.schemas.repository\_stats\_schema module
+----------------------------------------------------
+
+.. automodule:: ahriman.web.schemas.repository_stats_schema
+   :members:
+   :no-undoc-members:
+   :show-inheritance:
+
 ahriman.web.schemas.search\_schema module
 -----------------------------------------
 

src/ahriman/application/handlers/statistics.py

@@ -27,7 +27,7 @@ from pathlib import Path
 from ahriman.application.application import Application
 from ahriman.application.handlers.handler import Handler, SubParserAction
 from ahriman.core.configuration import Configuration
-from ahriman.core.formatters import EventStatsPrinter, PackageStatsPrinter
+from ahriman.core.formatters import EventStatsPrinter, PackageStatsPrinter, RepositoryStatsPrinter
 from ahriman.core.utils import enum_values, pretty_datetime
 from ahriman.models.event import Event, EventType
 from ahriman.models.repository_id import RepositoryId
@@ -64,6 +64,7 @@ class Statistics(Handler):
 
         match args.package:
             case None:
+                RepositoryStatsPrinter(repository_id, application.reporter.statistics())(verbose=True)
                 Statistics.stats_per_package(args.event, events, args.chart)
             case _:
                 Statistics.stats_for_package(args.event, events, args.chart)

src/ahriman/core/formatters/__init__.py

@@ -28,6 +28,7 @@ from ahriman.core.formatters.package_stats_printer import PackageStatsPrinter
 from ahriman.core.formatters.patch_printer import PatchPrinter
 from ahriman.core.formatters.printer import Printer
 from ahriman.core.formatters.repository_printer import RepositoryPrinter
+from ahriman.core.formatters.repository_stats_printer import RepositoryStatsPrinter
 from ahriman.core.formatters.status_printer import StatusPrinter
 from ahriman.core.formatters.string_printer import StringPrinter
 from ahriman.core.formatters.tree_printer import TreePrinter

src/ahriman/core/formatters/event_stats_printer.py

@@ -17,11 +17,9 @@
 # You should have received a copy of the GNU General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 #
-import statistics
-
 from ahriman.core.formatters.string_printer import StringPrinter
-from ahriman.core.utils import minmax
 from ahriman.models.property import Property
+from ahriman.models.series_statistics import SeriesStatistics
 
 
 class EventStatsPrinter(StringPrinter):
@@ -29,7 +27,7 @@ class EventStatsPrinter(StringPrinter):
     print event statistics
 
     Attributes:
-        events(list[float | int]): event values to build statistics
+        statistics(SeriesStatistics): statistics object
     """
 
     def __init__(self, event_type: str, events: list[float | int]) -> None:
@@ -39,7 +37,7 @@ class EventStatsPrinter(StringPrinter):
             events(list[float | int]): event values to build statistics
         """
         StringPrinter.__init__(self, event_type)
-        self.events = events
+        self.statistics = SeriesStatistics(events)
 
     def properties(self) -> list[Property]:
         """
@@ -49,24 +47,17 @@ class EventStatsPrinter(StringPrinter):
             list[Property]: list of content properties
         """
         properties = [
-            Property("total", len(self.events)),
+            Property("total", self.statistics.total),
         ]
 
         # time statistics
-        if self.events:
-            min_time, max_time = minmax(self.events)
-            mean = statistics.mean(self.events)
-
-            if len(self.events) > 1:
-                st_dev = statistics.stdev(self.events)
-                average = f"{mean:.3f} ± {st_dev:.3f}"
-            else:
-                average = f"{mean:.3f}"
+        if self.statistics:
+            mean = self.statistics.mean
 
             properties.extend([
-                Property("min", min_time),
-                Property("average", average),
-                Property("max", max_time),
+                Property("min", self.statistics.min),
+                Property("average", f"{mean:.3f} ± {self.statistics.st_dev:.3f}"),
+                Property("max", self.statistics.max),
             ])
 
         return properties

src/ahriman/core/formatters/repository_stats_printer.py

@@ -0,0 +1,53 @@
+#
+# Copyright (c) 2021-2025 ahriman team.
+#
+# This file is part of ahriman
+# (see https://github.com/arcan1s/ahriman).
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+from ahriman.core.formatters.string_printer import StringPrinter
+from ahriman.core.utils import pretty_size
+from ahriman.models.property import Property
+from ahriman.models.repository_id import RepositoryId
+from ahriman.models.repository_stats import RepositoryStats
+
+
+class RepositoryStatsPrinter(StringPrinter):
+    """
+    print repository statistics
+
+    Attributes:
+        statistics(RepositoryStats): repository statistics
+    """
+
+    def __init__(self, repository_id: RepositoryId, statistics: RepositoryStats) -> None:
+        """
+        Args:
+            statistics(RepositoryStats): repository statistics
+        """
+        StringPrinter.__init__(self, str(repository_id))
+        self.statistics = statistics
+
+    def properties(self) -> list[Property]:
+        """
+        convert content into printable data
+
+        Returns:
+            list[Property]: list of content properties
+        """
+        return [
+            Property("Packages", self.statistics.bases),
+            Property("Repository size", pretty_size(self.statistics.archive_size)),
+        ]

src/ahriman/core/status/client.py

@@ -31,6 +31,7 @@ from ahriman.models.log_record_id import LogRecordId
 from ahriman.models.package import Package
 from ahriman.models.pkgbuild_patch import PkgbuildPatch
 from ahriman.models.repository_id import RepositoryId
+from ahriman.models.repository_stats import RepositoryStats
 
 
 class Client:
@@ -354,6 +355,16 @@ class Client:
             return  # skip update in case if package is already known
         self.package_update(package, BuildStatusEnum.Unknown)
 
+    def statistics(self) -> RepositoryStats:
+        """
+        get repository statistics
+
+        Returns:
+            RepositoryStats: repository statistics object
+        """
+        packages = [package for package, _ in self.package_get(None)]
+        return RepositoryStats.from_packages(packages)
+
     def status_get(self) -> InternalStatus:
         """
         get internal service status

src/ahriman/models/internal_status.py

@@ -23,6 +23,7 @@ from typing import Any, Self
 from ahriman.core.utils import dataclass_view
 from ahriman.models.build_status import BuildStatus
 from ahriman.models.counters import Counters
+from ahriman.models.repository_stats import RepositoryStats
 
 
 @dataclass(frozen=True, kw_only=True)
@@ -35,6 +36,7 @@ class InternalStatus:
         architecture(str | None): repository architecture
         packages(Counters): packages statuses counter object
         repository(str | None): repository name
+        stats(RepositoryStats | None): repository stats
         version(str | None): service version
     """
 
@@ -42,6 +44,7 @@ class InternalStatus:
     architecture: str | None = None
     packages: Counters = field(default=Counters(total=0))
     repository: str | None = None
+    stats: RepositoryStats | None = None
     version: str | None = None
 
     @classmethod
@@ -56,11 +59,13 @@ class InternalStatus:
             Self: internal status
         """
         counters = Counters.from_json(dump["packages"]) if "packages" in dump else Counters(total=0)
+        stats = RepositoryStats.from_json(dump["stats"]) if "stats" in dump else None
         build_status = dump.get("status") or {}
         return cls(status=BuildStatus.from_json(build_status),
                    architecture=dump.get("architecture"),
                    packages=counters,
                    repository=dump.get("repository"),
+                   stats=stats,
                    version=dump.get("version"))
 
     def view(self) -> dict[str, Any]:

src/ahriman/models/repository_id.py

@@ -97,3 +97,12 @@ class RepositoryId:
             raise ValueError(f"'<' not supported between instances of '{type(self)}' and '{type(other)}'")
 
         return (self.name, self.architecture) < (other.name, other.architecture)
+
+    def __str__(self) -> str:
+        """
+        string representation of the repository identifier
+
+        Returns:
+            str: string view of the repository identifier
+        """
+        return f"{self.name} ({self.architecture})"

src/ahriman/models/repository_stats.py

@@ -0,0 +1,77 @@
+#
+# Copyright (c) 2021-2025 ahriman team.
+#
+# This file is part of ahriman
+# (see https://github.com/arcan1s/ahriman).
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+from dataclasses import dataclass, fields
+from typing import Any, Self
+
+from ahriman.core.utils import filter_json
+from ahriman.models.package import Package
+
+
+@dataclass(frozen=True, kw_only=True)
+class RepositoryStats:
+    """
+    repository stats representation
+    """
+
+    bases: int
+    packages: int
+    archive_size: int
+    installed_size: int
+
+    @classmethod
+    def from_json(cls, dump: dict[str, Any]) -> Self:
+        """
+        construct counters from json dump
+
+        Args:
+            dump(dict[str, Any]): json dump body
+
+        Returns:
+            Self: status counters
+        """
+        # filter to only known fields
+        known_fields = [pair.name for pair in fields(cls)]
+        return cls(**filter_json(dump, known_fields))
+
+    @classmethod
+    def from_packages(cls, packages: list[Package]) -> Self:
+        """
+        construct statistics from list of repository packages
+
+        Args:
+            packages(list[Packages]): list of repository packages
+
+        Returns:
+            Self: constructed statistics object
+        """
+        return cls(
+            bases=len(packages),
+            packages=sum(len(package.packages) for package in packages),
+            archive_size=sum(
+                archive.archive_size or 0
+                for package in packages
+                for archive in package.packages.values()
+            ),
+            installed_size=sum(
+                archive.installed_size or 0
+                for package in packages
+                for archive in package.packages.values()
+            ),
+        )

src/ahriman/models/series_statistics.py

@@ -0,0 +1,104 @@
+#
+# Copyright (c) 2021-2025 ahriman team.
+#
+# This file is part of ahriman
+# (see https://github.com/arcan1s/ahriman).
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+import statistics
+
+from dataclasses import dataclass
+
+
+@dataclass(frozen=True)
+class SeriesStatistics:
+    """
+    series statistics helper
+
+    Attributes:
+        series(list[float | int]): list of values to be processed
+    """
+
+    series: list[float | int]
+
+    @property
+    def max(self) -> float | int | None:
+        """
+        get max value in series
+
+        Returns:
+            float | int | None: ``None`` if series is empty and maximal value otherwise``
+        """
+        if self:
+            return max(self.series)
+        return None
+
+    @property
+    def mean(self) -> float | int | None:
+        """
+        get mean value in series
+
+        Returns:
+            float | int | None: ``None`` if series is empty and mean value otherwise
+        """
+        if self:
+            return statistics.mean(self.series)
+        return None
+
+    @property
+    def min(self) -> float | int | None:
+        """
+        get min value in series
+
+        Returns:
+            float | int | None: ``None`` if series is empty and minimal value otherwise
+        """
+        if self:
+            return min(self.series)
+        return None
+
+    @property
+    def st_dev(self) -> float | None:
+        """
+        get standard deviation in series
+
+        Returns:
+            float | None: ``None`` if series size is less than 1, 0 if series contains single element and standard
+            deviation otherwise
+        """
+        if not self:
+            return None
+        if len(self.series) > 1:
+            return statistics.stdev(self.series)
+        return 0.0
+
+    @property
+    def total(self) -> int:
+        """
+        retrieve amount of elements
+
+        Returns:
+            int: the series collection size
+        """
+        return len(self.series)
+
+    def __bool__(self) -> bool:
+        """
+        check if series is empty or not
+
+        Returns:
+            bool: ``True`` if series contains elements and ``False`` otherwise
+        """
+        return bool(self.total)

src/ahriman/web/schemas/__init__.py

@@ -49,6 +49,7 @@ from ahriman.web.schemas.process_id_schema import ProcessIdSchema
 from ahriman.web.schemas.process_schema import ProcessSchema
 from ahriman.web.schemas.remote_schema import RemoteSchema
 from ahriman.web.schemas.repository_id_schema import RepositoryIdSchema
+from ahriman.web.schemas.repository_stats_schema import RepositoryStatsSchema
 from ahriman.web.schemas.search_schema import SearchSchema
 from ahriman.web.schemas.status_schema import StatusSchema
 from ahriman.web.schemas.update_flags_schema import UpdateFlagsSchema

src/ahriman/web/schemas/internal_status_schema.py

@@ -21,6 +21,7 @@ from ahriman import __version__
 from ahriman.web.apispec import fields
 from ahriman.web.schemas.counters_schema import CountersSchema
 from ahriman.web.schemas.repository_id_schema import RepositoryIdSchema
+from ahriman.web.schemas.repository_stats_schema import RepositoryStatsSchema
 from ahriman.web.schemas.status_schema import StatusSchema
 
 
@@ -32,6 +33,9 @@ class InternalStatusSchema(RepositoryIdSchema):
     packages = fields.Nested(CountersSchema(), required=True, metadata={
         "description": "Repository package counters",
     })
+    stats = fields.Nested(RepositoryStatsSchema(), required=True, metadata={
+        "description": "Repository stats",
+    })
     status = fields.Nested(StatusSchema(), required=True, metadata={
         "description": "Repository status as stored by web service",
     })

src/ahriman/web/schemas/repository_stats_schema.py

@@ -0,0 +1,43 @@
+#
+# Copyright (c) 2021-2025 ahriman team.
+#
+# This file is part of ahriman
+# (see https://github.com/arcan1s/ahriman).
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+from ahriman.web.apispec import Schema, fields
+
+
+class RepositoryStatsSchema(Schema):
+    """
+    response repository stats schema
+    """
+
+    bases = fields.Int(metadata={
+        "description": "Amount of unique packages bases",
+        "example": 2,
+    })
+    packages = fields.Int(metadata={
+        "description": "Amount of unique packages",
+        "example": 4,
+    })
+    archive_size = fields.Int(metadata={
+        "description": "Total archive size of the packages in bytes",
+        "example": 42000,
+    })
+    installed_size = fields.Int(metadata={
+        "description": "Total installed size of the packages in bytes",
+        "example": 42000000,
+    })

src/ahriman/web/views/v1/status/status.py

@@ -23,6 +23,7 @@ from ahriman import __version__
 from ahriman.models.build_status import BuildStatusEnum
 from ahriman.models.counters import Counters
 from ahriman.models.internal_status import InternalStatus
+from ahriman.models.repository_stats import RepositoryStats
 from ahriman.models.user_access import UserAccess
 from ahriman.web.apispec.decorators import apidocs
 from ahriman.web.schemas import InternalStatusSchema, RepositoryIdSchema, StatusSchema
@@ -60,12 +61,16 @@ class StatusView(StatusViewGuard, BaseView):
             Response: 200 with service status object
         """
         repository_id = self.repository_id()
-        counters = Counters.from_packages(self.service(repository_id).packages)
+        packages = self.service(repository_id).packages
+        counters = Counters.from_packages(packages)
+        stats = RepositoryStats.from_packages([package for package, _ in packages])
+
         status = InternalStatus(
             status=self.service(repository_id).status,
             architecture=repository_id.architecture,
             packages=counters,
             repository=repository_id.name,
+            stats=stats,
             version=__version__,
         )
 

tests/ahriman/application/handlers/test_handler_statistics.py

@@ -11,6 +11,7 @@ from ahriman.core.repository import Repository
 from ahriman.core.utils import pretty_datetime, utcnow
 from ahriman.models.event import Event, EventType
 from ahriman.models.package import Package
+from ahriman.models.repository_stats import RepositoryStats
 
 
 def _default_args(args: argparse.Namespace) -> argparse.Namespace:
@@ -40,13 +41,16 @@ def test_run(args: argparse.Namespace, configuration: Configuration, repository:
     """
     args = _default_args(args)
     events = [Event("1", "1"), Event("2", "2")]
+    stats = RepositoryStats(bases=1, packages=2, archive_size=3, installed_size=4)
     mocker.patch("ahriman.core.repository.Repository.load", return_value=repository)
     events_mock = mocker.patch("ahriman.core.status.local_client.LocalClient.event_get", return_value=events)
+    stats_mock = mocker.patch("ahriman.core.status.client.Client.statistics", return_value=stats)
     application_mock = mocker.patch("ahriman.application.handlers.statistics.Statistics.stats_per_package")
 
     _, repository_id = configuration.check_loaded()
     Statistics.run(args, repository_id, configuration, report=False)
     events_mock.assert_called_once_with(args.event, args.package, None, None, args.limit, args.offset)
+    stats_mock.assert_called_once_with()
     application_mock.assert_called_once_with(args.event, events, args.chart)
 
 

tests/ahriman/core/formatters/conftest.py

@@ -12,6 +12,7 @@ from ahriman.core.formatters import \
     PackageStatsPrinter, \
     PatchPrinter, \
     RepositoryPrinter, \
+    RepositoryStatsPrinter, \
     StatusPrinter, \
     StringPrinter, \
     TreePrinter, \
@@ -25,6 +26,7 @@ from ahriman.models.changes import Changes
 from ahriman.models.package import Package
 from ahriman.models.pkgbuild_patch import PkgbuildPatch
 from ahriman.models.repository_id import RepositoryId
+from ahriman.models.repository_stats import RepositoryStats
 from ahriman.models.user import User
 
 
@@ -134,12 +136,29 @@ def repository_printer(repository_id: RepositoryId) -> RepositoryPrinter:
     """
     fixture for repository printer
 
+    Args:
+        repository_id(RepositoryId): repository identifier fixture
+
     Returns:
         RepositoryPrinter: repository printer test instance
     """
     return RepositoryPrinter(repository_id)
 
 
+@pytest.fixture
+def repository_stats_printer(repository_id: RepositoryId) -> RepositoryStatsPrinter:
+    """
+    fixture for repository stats printer
+
+    Args:
+        repository_id(RepositoryId): repository identifier fixture
+
+    Returns:
+        RepositoryStatsPrinter: repository stats printer test instance
+    """
+    return RepositoryStatsPrinter(repository_id, RepositoryStats(bases=1, packages=2, archive_size=3, installed_size=4))
+
+
 @pytest.fixture
 def status_printer() -> StatusPrinter:
     """

tests/ahriman/core/formatters/test_event_stats_printer.py

@@ -15,13 +15,6 @@ def test_properties_empty() -> None:
     assert EventStatsPrinter("event", []).properties()
 
 
-def test_properties_single() -> None:
-    """
-    must skip calculation of the standard deviation for single event
-    """
-    assert EventStatsPrinter("event", [1]).properties()
-
-
 def test_title(event_stats_printer: EventStatsPrinter) -> None:
     """
     must return non-empty title

tests/ahriman/core/formatters/test_repository_stats_printer.py

@@ -0,0 +1,15 @@
+from ahriman.core.formatters import RepositoryStatsPrinter
+
+
+def test_properties(repository_stats_printer: RepositoryStatsPrinter) -> None:
+    """
+    must return non-empty properties list
+    """
+    assert repository_stats_printer.properties()
+
+
+def test_title(repository_stats_printer: RepositoryStatsPrinter) -> None:
+    """
+    must return non-empty title
+    """
+    assert repository_stats_printer.title()

tests/ahriman/core/status/test_client.py

@@ -16,6 +16,7 @@ from ahriman.models.internal_status import InternalStatus
 from ahriman.models.log_record_id import LogRecordId
 from ahriman.models.package import Package
 from ahriman.models.pkgbuild_patch import PkgbuildPatch
+from ahriman.models.repository_stats import RepositoryStats
 
 
 def test_load_dummy_client(configuration: Configuration) -> None:
@@ -285,6 +286,14 @@ def test_set_unknown_skip(client: Client, package_ahriman: Package, mocker: Mock
     update_mock.assert_not_called()
 
 
+def test_statistics(client: Client, package_ahriman: Package, mocker: MockerFixture) -> None:
+    """
+    must correctly fetch statistics
+    """
+    mocker.patch("ahriman.core.status.Client.package_get", return_value=[(package_ahriman, None)])
+    assert client.statistics() == RepositoryStats(bases=1, packages=1, archive_size=4200, installed_size=4200000)
+
+
 def test_status_get(client: Client) -> None:
     """
     must return dummy status for web service

tests/ahriman/models/conftest.py

@@ -14,6 +14,7 @@ from ahriman.models.package_description import PackageDescription
 from ahriman.models.package_source import PackageSource
 from ahriman.models.pkgbuild import Pkgbuild
 from ahriman.models.remote_source import RemoteSource
+from ahriman.models.repository_stats import RepositoryStats
 
 
 @pytest.fixture
@@ -71,8 +72,9 @@ def internal_status(counters: Counters) -> InternalStatus:
         status=BuildStatus(),
         architecture="x86_64",
         packages=counters,
-        version=__version__,
         repository="aur",
+        stats=RepositoryStats(bases=1, packages=2, archive_size=3, installed_size=4),
+        version=__version__,
     )
 
 

tests/ahriman/models/test_repository_id.py

@@ -68,3 +68,10 @@ def test_lt_invalid() -> None:
     """
     with pytest.raises(ValueError):
         assert RepositoryId("x86_64", "a") < 42
+
+
+def test_str() -> None:
+    """
+    must convert identifier to string
+    """
+    assert str(RepositoryId("x86_64", "a")) == "a (x86_64)"

tests/ahriman/models/test_repository_stats.py

@@ -0,0 +1,24 @@
+from dataclasses import asdict
+
+from ahriman.models.package import Package
+from ahriman.models.repository_stats import RepositoryStats
+
+
+def test_repository_stats_from_json_view(package_ahriman: Package, package_python_schedule: Package) -> None:
+    """
+    must construct same object from json
+    """
+    stats = RepositoryStats.from_packages([package_ahriman, package_python_schedule])
+    assert RepositoryStats.from_json(asdict(stats)) == stats
+
+
+def test_from_packages(package_ahriman: Package, package_python_schedule: Package) -> None:
+    """
+    must generate stats from packages list
+    """
+    assert RepositoryStats.from_packages([package_ahriman, package_python_schedule]) == RepositoryStats(
+        bases=2,
+        packages=3,
+        archive_size=12603,
+        installed_size=12600003,
+    )

tests/ahriman/models/test_series_statistics.py

@@ -0,0 +1,80 @@
+from ahriman.models.series_statistics import SeriesStatistics
+
+
+def test_max() -> None:
+    """
+    must return maximal value
+    """
+    assert SeriesStatistics([1, 3, 2]).max == 3
+
+
+def test_max_empty() -> None:
+    """
+    must return None as maximal value if series is empty
+    """
+    assert SeriesStatistics([]).max is None
+
+
+def test_mean() -> None:
+    """
+    must return mean value
+    """
+    assert SeriesStatistics([1, 3, 2]).mean == 2
+
+
+def test_mean_empty() -> None:
+    """
+    must return None as mean value if series is empty
+    """
+    assert SeriesStatistics([]).mean is None
+
+
+def test_min() -> None:
+    """
+    must return minimal value
+    """
+    assert SeriesStatistics([1, 3, 2]).min == 1
+
+
+def test_min_empty() -> None:
+    """
+    must return None as minimal value if series is empty
+    """
+    assert SeriesStatistics([]).min is None
+
+
+def test_st_dev() -> None:
+    """
+    must return standard deviation
+    """
+    assert SeriesStatistics([1, 3, 2]).st_dev == 1
+
+
+def test_st_dev_empty() -> None:
+    """
+    must return None as standard deviation if series is empty
+    """
+    assert SeriesStatistics([]).st_dev is None
+
+
+def test_st_dev_single() -> None:
+    """
+    must return 0 as standard deviation if series contains only one element
+    """
+    assert SeriesStatistics([1]).st_dev == 0
+
+
+def test_total() -> None:
+    """
+    must return size of collection
+    """
+    assert SeriesStatistics([1]).total == 1
+    assert SeriesStatistics([]).total == 0
+
+
+def test_bool() -> None:
+    """
+    must correctly define empty collection
+    """
+    assert SeriesStatistics([1])
+    assert not SeriesStatistics([])

tests/ahriman/web/schemas/test_repository_stats_schema.py

@@ -0,0 +1 @@
+# schema testing goes in view class tests