diff --git a/tests/Android.bp b/tests/Android.bp
index bde1bc5f..3d223907 100644
--- a/tests/Android.bp
+++ b/tests/Android.bp
@@ -94,6 +94,24 @@ librecovery_static_libs = [
     "libtinyxml2",
 ]
 
+// recovery image for unittests.
+// ========================================================
+genrule {
+    name: "recovery_image",
+    cmd: "cat $(location testdata/recovery_head) <(cat $(location testdata/recovery_body) | $(location minigzip)) $(location testdata/recovery_tail) > $(out)",
+    srcs: [
+        "testdata/recovery_head",
+        "testdata/recovery_body",
+        "testdata/recovery_tail",
+    ],
+    tools: [
+        "minigzip",
+    ],
+    out: [
+        "testdata/recovery.img",
+    ],
+}
+
 cc_test {
     name: "recovery_unit_test",
     isolated: true,
@@ -127,6 +145,7 @@ cc_test {
 
     data: [
         "testdata/*",
+        ":recovery_image",
         ":res-testdata",
     ],
 }
diff --git a/tests/testdata/recovery.img b/tests/testdata/recovery.img
deleted file mode 100644
index b862e6f0..00000000
Binary files a/tests/testdata/recovery.img and /dev/null differ
diff --git a/tests/testdata/recovery_body b/tests/testdata/recovery_body
new file mode 100644
index 00000000..48d7c10a
Binary files /dev/null and b/tests/testdata/recovery_body differ
diff --git a/tests/testdata/recovery_head b/tests/testdata/recovery_head
new file mode 100644
index 00000000..7f494d09
Binary files /dev/null and b/tests/testdata/recovery_head differ
diff --git a/tests/testdata/recovery_tail b/tests/testdata/recovery_tail
new file mode 100644
index 00000000..7fe2c6ce
Binary files /dev/null and b/tests/testdata/recovery_tail differ