add test JLL

Author: vchuravy

test/LAMMPS_jll/.pkg/platform_augmentation.jl

@@ -0,0 +1,30 @@
+using Base.BinaryPlatforms
+using Preferences
+
+function known_abis()
+    return (:MicrosoftMPI, :MPICH, :MPItrampoline)
+end
+
+const abi = @load_preference("abi", Sys.iswindows() ? :MicrosoftMPI : :MPICH)
+
+function set_abi(abi)
+    if abi ∉ known_abis()
+        error("""
+            The MPI ABI $abi is not supported.
+            Please set the MPI ABI to one of the following:
+            $(known_abis())
+        """)
+    end
+    @set_preferences!("abi" => string(abi))
+    @warn "The MPI abi has changed, you will need to restart Julia for the change to take effect" abi
+    return abi
+end
+
+function augment_platform!(platform)
+    BinaryPlatforms.add_tag!(platform.tags, "mpi", string(abi))
+    return platform
+end
+
+
+
+

test/LAMMPS_jll/.pkg/select_artifact.jl

@@ -0,0 +1,16 @@
+using TOML, Artifacts, Base.BinaryPlatforms
+include("./platform_augmentation.jl")
+artifacts_toml = joinpath(dirname(@__DIR__), "Artifacts.toml")
+
+# Get "target triplet" from ARGS, if given (defaulting to the host triplet otherwise)
+target_triplet = get(ARGS, 1, Base.BinaryPlatforms.host_triplet())
+
+# Augment this platform object with any special tags we require
+platform = augment_platform!(HostPlatform(parse(Platform, target_triplet)))
+
+# Select all downloadable artifacts that match that platform
+artifacts = select_downloadable_artifacts(artifacts_toml; platform)
+
+#Output the result to `stdout` as a TOML dictionary
+TOML.print(stdout, artifacts)
+