Add unittest

[   44s] + ./serde
[   44s]
[   44s] running 1 test
[   44s] test ser::impls::test_format_u8 ... ok
[   44s]
[   44s] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s

1 files changed, 13 insertions, 0 deletions

diff --git a/packaging/rust-serde.spec b/packaging/rust-serde.spec
index b58ceae..4da199e 100644
--- a/packaging/rust-serde.spec
+++ b/packaging/rust-serde.spec
@@ -51,6 +51,19 @@ cp %{SOURCE1} .
 install -d -m 0755 %{buildroot}%{_rust_dylibdir}
 install -m 0644 lib%{real_crate_name}.so %{buildroot}/%{_rust_dylibdir}/lib%{real_crate_name}.so
 
+%check
+%if 0%{?run_tests}
+%{rustc_std_build} --test --crate-type=dylib \
+        --crate-name=%{real_crate_name} \
+        --cfg='feature="default"' \
+        --cfg='feature="std"' \
+        --cfg='feature="serde_derive"' \
+        -lserde_derive \
+        ./src/lib.rs
+
+./%{real_crate_name}
+%endif
+
 %clean
 
 %post -p /sbin/ldconfig