sources: add unit tests for org.osbuild.librepo

This commit adds unit a basic test for librepo and also updates
the code to the latest requirements to provide "fetch_all".

It also fixes a bug in the handling of org.osbuild.rhsm secrets.

sources/org.osbuild.librepo

@@ -189,7 +189,7 @@ class LibRepoSource(sources.SourceService):
             cbdata=path,
             endcb=self._endcb)
 
-    def download(self, items: Dict) -> None:
+    def fetch_all(self, items: Dict) -> None:
         """Use librepo to download the packages"""
         # Organize the packages by the mirror id
         packages = dict()
@@ -230,7 +230,7 @@ class LibRepoSource(sources.SourceService):
                 handle.fastestmirror = True
 
             # If this mirror has secrets, set them up on the librepo handle
-            if "secrets" in m:
+            if "secrets" in mirror:
                 self._setup_rhsm(handle, mirror)
 
             download = []

sources/test/test_librepo.py

@@ -0,0 +1,96 @@
+#!/usr/bin/python3
+from unittest.mock import patch
+
+import librepo
+
+SOURCES_NAME = "org.osbuild.librepo"
+
+
+@patch("librepo.download_packages")
+def test_librepo_download_mocked(mocked_download_pkgs, sources_service):
+    TEST_SOURCES = {
+        "sha256:1111111111111111111111111111111111111111111111111111111111111111": {
+            "path": "Packages/a/a",
+            "mirror": "mirror_id",
+        },
+        "sha256:2111111111111111111111111111111111111111111111111111111111111111": {
+            "path": "Packages/b/b",
+            "mirror": "mirror_id2",
+        },
+    }
+    sources_service.options = {
+        "mirrors": {
+            "mirror_id": {
+                "url": "http://example.com/mirrorlist",
+                "type": "mirrorlist",
+            },
+            "mirror_id2": {
+                "url": "http://example.com/mirrorlist2",
+                "type": "mirrorlist",
+            }
+        }
+    }
+    sources_service.cache = "cachedir"
+    sources_service.fetch_all(TEST_SOURCES)
+    # we expect one download call per mirror
+    assert len(mocked_download_pkgs.call_args_list) == 2
+    # extract the list of packages to download (all_calls->call()->args->args[0])
+    download_pkgs = mocked_download_pkgs.call_args_list[0][0][0]
+    assert download_pkgs[0].checksum == "1111111111111111111111111111111111111111111111111111111111111111"
+    assert download_pkgs[0].checksum_type == librepo.SHA256
+    assert download_pkgs[0].relative_url == "Packages/a/a"
+    assert download_pkgs[0].dest == "cachedir/sha256:1111111111111111111111111111111111111111111111111111111111111111"
+    assert download_pkgs[0].handle.mirrorlisturl == "http://example.com/mirrorlist"
+    # and now the second call
+    download_pkgs = mocked_download_pkgs.call_args_list[1][0][0]
+    assert download_pkgs[0].checksum == "2111111111111111111111111111111111111111111111111111111111111111"
+    assert download_pkgs[0].checksum_type == librepo.SHA256
+    assert download_pkgs[0].relative_url == "Packages/b/b"
+    assert download_pkgs[0].dest == "cachedir/sha256:2111111111111111111111111111111111111111111111111111111111111111"
+    assert download_pkgs[0].handle.mirrorlisturl == "http://example.com/mirrorlist2"
+
+
+class FakeSubscriptionManager:
+    def __init__(self):
+        self.get_secrets_calls = []
+
+    def get_secrets(self, url):
+        self.get_secrets_calls.append(url)
+        return {
+            "ssl_ca_cert": "rhsm-ca-cert",
+            "ssl_client_cert": "rhsm-client-cert",
+            "ssl_client_key": "rhsm-client-key",
+        }
+
+
+@patch("librepo.download_packages")
+def test_librepo_secrets(mocked_download_pkgs, sources_service):
+    TEST_SOURCES = {
+        "sha256:1111111111111111111111111111111111111111111111111111111111111111": {
+            "path": "Packages/a/a",
+            "mirror": "mirror_id",
+        }
+    }
+    sources_service.options = {
+        "mirrors": {
+            "mirror_id": {
+                "url": "http://example.com/mirrorlist",
+                "type": "mirrorlist",
+                "secrets": {
+                    "name": "org.osbuild.rhsm",
+                }
+            }
+        }
+    }
+    sources_service.cache = "cachedir"
+    sources_service.subscriptions = FakeSubscriptionManager()
+    sources_service.fetch_all(TEST_SOURCES)
+    assert len(mocked_download_pkgs.call_args_list) == 1
+    # extract the list of packages to download (all_calls->call()->args->args[0])
+    download_pkgs = mocked_download_pkgs.call_args_list[0][0][0]
+    assert download_pkgs[0].checksum == "1111111111111111111111111111111111111111111111111111111111111111"
+    assert download_pkgs[0].handle.sslclientkey == "rhsm-client-key"
+    assert download_pkgs[0].handle.sslclientcert == "rhsm-client-cert"
+    assert download_pkgs[0].handle.sslcacert == "rhsm-ca-cert"
+    # double check that get_secrets() was called
+    assert sources_service.subscriptions.get_secrets_calls == ["http://example.com/mirrorlist"]