ENH: Replace dummy function by libcaosdb version retrieval

jlcaosdb/jlcaosdb.cxx

@@ -22,9 +22,15 @@
  */
 #include <jlcxx/jlcxx.hpp>
 
+#include "caosdb/authentication.h"
 #include "caosdb/connection.h"
+#include "caosdb/constants.h"
+#include "caosdb/exceptions.h"
 
 JLCXX_MODULE define_julia_module(jlcxx::Module& mod)
 {
-
+  // Version info of libcaosdb against which this is built.
+  mod.method("get_libcaosdb_version_major", []() {return caosdb::LIBCAOSDB_VERSION_MAJOR;});
+  mod.method("get_libcaosdb_version_minor", []() {return caosdb::LIBCAOSDB_VERSION_MINOR;});
+  mod.method("get_libcaosdb_version_patch", []() {return caosdb::LIBCAOSDB_VERSION_PATCH;});
 }

src/CaosDB.jl

+# Useful for development, TODO remove for production
+__precompile__(false)
+
 module CaosDB
 
 using CxxWrap
 
 # Adapt this path if you haven't compiled jlcaosdb to `caosdb-julialib/build`
-@wrapmodule(joinpath(pwd(), "build/lib/libjlcaosdb"))
+@wrapmodule(joinpath(@__DIR__, "../jlcaosdb/build/lib/libjlcaosdb"))
 
 function __init__()
     @initcxx
 end
 
-export dummy_func
-
 """
-    dummy_func(x)
+    get_libcaosdb_version()
 
-Returns double the number `x` plus `1`.
+Returns the version string of libcaosdb with which this package has
+been built.
 """
-dummy_func(x) = 2x + 1
+function get_libcaosdb_version()
+    major = get_libcaosdb_version_major()
+    minor = get_libcaosdb_version_minor()
+    patch = get_libcaosdb_version_patch()
+
+    return "$major.$minor.$patch"
+end
 
 end # module

test/runtests.jl

-println("Testing...")
+using CaosDB
+using Test
+
+# Test whether retrieving the libcaosdb version works as expected
+@test CaosDB.get_libcaosdb_version() != Nothing
+@test length(split(CaosDB.get_libcaosdb_version(), ".")) == 3
+@test split(CaosDB.get_libcaosdb_version(), ".")[1] == string(CaosDB.get_libcaosdb_version_major())
+@test split(CaosDB.get_libcaosdb_version(), ".")[2] == string(CaosDB.get_libcaosdb_version_minor())
+@test split(CaosDB.get_libcaosdb_version(), ".")[3] == string(CaosDB.get_libcaosdb_version_patch())
+