diff --git a/test/data/sources/org.osbuild.librepo/cases/404-metalink.json b/test/data/sources/org.osbuild.librepo/cases/404-metalink.json
new file mode 100644
index 00000000..aff17105
--- /dev/null
+++ b/test/data/sources/org.osbuild.librepo/cases/404-metalink.json
@@ -0,0 +1,39 @@
+{
+  "expects": "success",
+  "org.osbuild.librepo": {
+    "items": {
+      "sha256:99fa21f1b67fea84dcb9b3c7f7e09a4f150095cfa7163a19d03972fd7c826f00": {
+        "path": "Packages/a/a",
+        "mirror": "0cde5945566ff3feb627eaa84e31223d2b8be54fb446222cded36fc5e5debcc2"
+      },
+      "sha256:77e6ed0bed2d720e44d77643f66b05f0eb42b06379990e5ef658ef314c415827": {
+        "path": "Packages/b/b",
+        "mirror": "0cde5945566ff3feb627eaa84e31223d2b8be54fb446222cded36fc5e5debcc2"
+      },
+      "sha256:e99efe314a66334179236e5fb6a2e6a6431daf6aeb516162e01517a0ac708252": {
+        "path": "Packages/c/c",
+        "mirror": "d68132295d14ad03bd676009c4fe8727f5040adfb91e20ac9919101d14ff4703"
+      },
+      "sha256:354fe7c89ac014ed6479bf162fa7b9e8b37eddc7e46719ebd4349699d4e92c8c": {
+        "path": "Packages/d/d",
+        "mirror": "d68132295d14ad03bd676009c4fe8727f5040adfb91e20ac9919101d14ff4703"
+      }
+    },
+    "options": {
+        "mirrors": {
+          "0cde5945566ff3feb627eaa84e31223d2b8be54fb446222cded36fc5e5debcc2": {
+            "url": "http://localhost/sources/org.osbuild.librepo/data/metalink/one404.xml",
+            "type": "metalink",
+            "fastest-mirror": true,
+            "name": "metalink"
+          },
+          "d68132295d14ad03bd676009c4fe8727f5040adfb91e20ac9919101d14ff4703": {
+            "url": "http://localhost/sources/org.osbuild.librepo/data/metalink/updates.xml",
+            "type": "metalink",
+            "fastest-mirror": true,
+            "name": "metalink"
+          }
+        }
+    }
+  }
+}
diff --git a/test/data/sources/org.osbuild.librepo/cases/bad-metalink-checksum.json b/test/data/sources/org.osbuild.librepo/cases/bad-metalink-checksum.json
new file mode 100644
index 00000000..c8c64418
--- /dev/null
+++ b/test/data/sources/org.osbuild.librepo/cases/bad-metalink-checksum.json
@@ -0,0 +1,39 @@
+{
+  "expects": "error",
+  "org.osbuild.librepo": {
+    "items": {
+      "sha256:99fa21f1b67fea84dcb9b3c7f7e09a4f150095cfa7163a19d03972fd7c826f00": {
+        "path": "Packages/a/a",
+        "mirror": "0cde5945566ff3feb627eaa84e31223d2b8be54fb446222cded36fc5e5debcc2"
+      },
+      "sha256:77e6ed0bed2d720e44d77643f66b05f0eb42b06379990e5ef658ef314c415827": {
+        "path": "Packages/b/b",
+        "mirror": "0cde5945566ff3feb627eaa84e31223d2b8be54fb446222cded36fc5e5debcc2"
+      },
+      "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa": {
+        "path": "Packages/c/c",
+        "mirror": "d68132295d14ad03bd676009c4fe8727f5040adfb91e20ac9919101d14ff4703"
+      },
+      "sha256:354fe7c89ac014ed6479bf162fa7b9e8b37eddc7e46719ebd4349699d4e92c8c": {
+        "path": "Packages/d/d",
+        "mirror": "d68132295d14ad03bd676009c4fe8727f5040adfb91e20ac9919101d14ff4703"
+      }
+    },
+    "options": {
+        "mirrors": {
+          "0cde5945566ff3feb627eaa84e31223d2b8be54fb446222cded36fc5e5debcc2": {
+            "url": "http://localhost/sources/org.osbuild.librepo/data/metalink/fedora.xml",
+            "type": "metalink",
+            "fastest-mirror": true,
+            "name": "metalink"
+          },
+          "d68132295d14ad03bd676009c4fe8727f5040adfb91e20ac9919101d14ff4703": {
+            "url": "http://localhost/sources/org.osbuild.librepo/data/metalink/updates.xml",
+            "type": "metalink",
+            "fastest-mirror": true,
+            "name": "metalink"
+          }
+        }
+    }
+  }
+}
diff --git a/test/data/sources/org.osbuild.librepo/cases/one-metalink.json b/test/data/sources/org.osbuild.librepo/cases/one-metalink.json
new file mode 100644
index 00000000..80a9b1af
--- /dev/null
+++ b/test/data/sources/org.osbuild.librepo/cases/one-metalink.json
@@ -0,0 +1,25 @@
+{
+  "expects": "success",
+  "org.osbuild.librepo": {
+    "items": {
+      "sha256:99fa21f1b67fea84dcb9b3c7f7e09a4f150095cfa7163a19d03972fd7c826f00": {
+        "path": "Packages/a/a",
+        "mirror": "0cde5945566ff3feb627eaa84e31223d2b8be54fb446222cded36fc5e5debcc2"
+      },
+      "sha256:77e6ed0bed2d720e44d77643f66b05f0eb42b06379990e5ef658ef314c415827": {
+        "path": "Packages/b/b",
+        "mirror": "0cde5945566ff3feb627eaa84e31223d2b8be54fb446222cded36fc5e5debcc2"
+      }
+    },
+    "options": {
+        "mirrors": {
+          "0cde5945566ff3feb627eaa84e31223d2b8be54fb446222cded36fc5e5debcc2": {
+            "url": "http://localhost/sources/org.osbuild.librepo/data/metalink/fedora.xml",
+            "type": "metalink",
+            "fastest-mirror": true,
+            "name": "metalink"
+          }
+        }
+    }
+  }
+}
diff --git a/test/data/sources/org.osbuild.librepo/cases/two-metalink.json b/test/data/sources/org.osbuild.librepo/cases/two-metalink.json
new file mode 100644
index 00000000..752ff607
--- /dev/null
+++ b/test/data/sources/org.osbuild.librepo/cases/two-metalink.json
@@ -0,0 +1,39 @@
+{
+  "expects": "success",
+  "org.osbuild.librepo": {
+    "items": {
+      "sha256:99fa21f1b67fea84dcb9b3c7f7e09a4f150095cfa7163a19d03972fd7c826f00": {
+        "path": "Packages/a/a",
+        "mirror": "0cde5945566ff3feb627eaa84e31223d2b8be54fb446222cded36fc5e5debcc2"
+      },
+      "sha256:77e6ed0bed2d720e44d77643f66b05f0eb42b06379990e5ef658ef314c415827": {
+        "path": "Packages/b/b",
+        "mirror": "0cde5945566ff3feb627eaa84e31223d2b8be54fb446222cded36fc5e5debcc2"
+      },
+      "sha256:e99efe314a66334179236e5fb6a2e6a6431daf6aeb516162e01517a0ac708252": {
+        "path": "Packages/c/c",
+        "mirror": "d68132295d14ad03bd676009c4fe8727f5040adfb91e20ac9919101d14ff4703"
+      },
+      "sha256:354fe7c89ac014ed6479bf162fa7b9e8b37eddc7e46719ebd4349699d4e92c8c": {
+        "path": "Packages/d/d",
+        "mirror": "d68132295d14ad03bd676009c4fe8727f5040adfb91e20ac9919101d14ff4703"
+      }
+    },
+    "options": {
+        "mirrors": {
+          "0cde5945566ff3feb627eaa84e31223d2b8be54fb446222cded36fc5e5debcc2": {
+            "url": "http://localhost/sources/org.osbuild.librepo/data/metalink/fedora.xml",
+            "type": "metalink",
+            "fastest-mirror": true,
+            "name": "metalink"
+          },
+          "d68132295d14ad03bd676009c4fe8727f5040adfb91e20ac9919101d14ff4703": {
+            "url": "http://localhost/sources/org.osbuild.librepo/data/metalink/updates.xml",
+            "type": "metalink",
+            "fastest-mirror": true,
+            "name": "metalink"
+          }
+        }
+    }
+  }
+}
diff --git a/test/data/sources/org.osbuild.librepo/data/Packages/a/a b/test/data/sources/org.osbuild.librepo/data/Packages/a/a
new file mode 100644
index 00000000..3b7706ba
--- /dev/null
+++ b/test/data/sources/org.osbuild.librepo/data/Packages/a/a
@@ -0,0 +1 @@
+DUMMY PACKAGE a
diff --git a/test/data/sources/org.osbuild.librepo/data/Packages/b/b b/test/data/sources/org.osbuild.librepo/data/Packages/b/b
new file mode 100644
index 00000000..f978a8da
--- /dev/null
+++ b/test/data/sources/org.osbuild.librepo/data/Packages/b/b
@@ -0,0 +1 @@
+DUMMY PACKAGE b
diff --git a/test/data/sources/org.osbuild.librepo/data/metalink/fedora.xml b/test/data/sources/org.osbuild.librepo/data/metalink/fedora.xml
new file mode 100644
index 00000000..9aba3c65
--- /dev/null
+++ b/test/data/sources/org.osbuild.librepo/data/metalink/fedora.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+ <metalink version="3.0" xmlns="http://www.metalinker.org/">
+   <files>
+     <file name="repomd.xml">
+       <resources maxconnections="1">
+           <url protocol="http" type="http" location="us" preference="100">http://localhost/sources/org.osbuild.librepo/data/repodata/repomd.xml</url>
+       </resources>
+     </file>
+   </files>
+ </metalink>
diff --git a/test/data/sources/org.osbuild.librepo/data/metalink/one404.xml b/test/data/sources/org.osbuild.librepo/data/metalink/one404.xml
new file mode 100644
index 00000000..c4a70083
--- /dev/null
+++ b/test/data/sources/org.osbuild.librepo/data/metalink/one404.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+ <metalink version="3.0" xmlns="http://www.metalinker.org/">
+   <files>
+     <file name="repomd.xml">
+       <resources maxconnections="1">
+           <url protocol="http" type="http" location="us" preference="100">http://localhost/sources/org.osbuild.librepo/data/404/repodata/repomd.xml</url>
+           <url protocol="http" type="http" location="us" preference="50">http://localhost/sources/org.osbuild.librepo/data/repodata/repomd.xml</url>
+       </resources>
+     </file>
+   </files>
+ </metalink>
diff --git a/test/data/sources/org.osbuild.librepo/data/metalink/updates.xml b/test/data/sources/org.osbuild.librepo/data/metalink/updates.xml
new file mode 100644
index 00000000..17f0140e
--- /dev/null
+++ b/test/data/sources/org.osbuild.librepo/data/metalink/updates.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+ <metalink version="3.0" xmlns="http://www.metalinker.org/">
+   <files>
+     <file name="repomd.xml">
+       <resources maxconnections="1">
+           <url protocol="http" type="http" location="us" preference="100">http://localhost/sources/org.osbuild.librepo/data/updates/repodata/repomd.xml</url>
+       </resources>
+     </file>
+   </files>
+ </metalink>
diff --git a/test/data/sources/org.osbuild.librepo/data/updates/Packages/c/c b/test/data/sources/org.osbuild.librepo/data/updates/Packages/c/c
new file mode 100644
index 00000000..8f2929cf
--- /dev/null
+++ b/test/data/sources/org.osbuild.librepo/data/updates/Packages/c/c
@@ -0,0 +1 @@
+DUMMY PACKAGE c
diff --git a/test/data/sources/org.osbuild.librepo/data/updates/Packages/d/d b/test/data/sources/org.osbuild.librepo/data/updates/Packages/d/d
new file mode 100644
index 00000000..2d226dd5
--- /dev/null
+++ b/test/data/sources/org.osbuild.librepo/data/updates/Packages/d/d
@@ -0,0 +1 @@
+DUMMY PACKAGE d