CI: Add Elixir pack_test

Need the ability to add modules to Elixir testing eg for GenServer tests (atomvm#1476) etc.

Signed-off-by: Peter M <petermm@gmail.com>

Author: petermm

CMakeModules/BuildElixir.cmake

@@ -94,3 +94,64 @@ macro(pack_runnable avm_name main)
     add_dependencies(${avm_name} ${avm_name}_main ${ARCHIVE_TARGETS} PackBEAM)
 
 endmacro()
+
+
+macro(pack_test avm_name main)
+    find_package(Elixir REQUIRED)
+
+    # Compile the main module
+    add_custom_command(
+        OUTPUT Elixir.${main}.beam
+        COMMAND elixirc ${CMAKE_CURRENT_SOURCE_DIR}/${main}.ex
+        DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${main}.ex
+        COMMENT "Compiling ${main}.ex"
+        VERBATIM
+    )
+
+    add_custom_target(
+        ${avm_name}_main
+        DEPENDS Elixir.${main}.beam
+    )
+
+    # Compile test modules
+    foreach(module_name ${ARGN})
+        add_custom_command(
+            OUTPUT Elixir.${module_name}.beam
+            COMMAND elixirc ${CMAKE_CURRENT_SOURCE_DIR}/${module_name}.ex
+            DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${module_name}.ex
+            COMMENT "Compiling ${module_name}.ex"
+            VERBATIM
+        )
+        set(TEST_BEAMS ${TEST_BEAMS} Elixir.${module_name}.beam)
+    endforeach()
+
+    add_custom_target(
+        ${avm_name}_tests
+        DEPENDS ${TEST_BEAMS}
+    )
+
+    if(AVM_RELEASE)
+        set(INCLUDE_LINES "")
+    else()
+        set(INCLUDE_LINES "-i")
+    endif()
+
+    # Set up standard libraries
+    set(ARCHIVE_TARGETS estdlib eavmlib exavmlib etest)
+    foreach(archive_name ${ARCHIVE_TARGETS})
+        if(${archive_name} STREQUAL "exavmlib")
+            set(ARCHIVES ${ARCHIVES} ${CMAKE_BINARY_DIR}/libs/${archive_name}/lib/${archive_name}.avm)
+        else()
+            set(ARCHIVES ${ARCHIVES} ${CMAKE_BINARY_DIR}/libs/${archive_name}/src/${archive_name}.avm)
+        endif()
+    endforeach()
+
+    add_custom_target(
+        ${avm_name} ALL
+        COMMAND ${CMAKE_BINARY_DIR}/tools/packbeam/PackBEAM ${INCLUDE_LINES} ${avm_name}.avm Elixir.${main}.beam ${TEST_BEAMS} ${ARCHIVES}
+        COMMENT "Packing test ${avm_name}.avm"
+        VERBATIM
+    )
+    add_dependencies(${avm_name} ${avm_name}_main ${avm_name}_tests ${ARCHIVE_TARGETS} PackBEAM)
+
+endmacro()

tests/libs/exavmlib/CMakeLists.txt

@@ -22,4 +22,8 @@ project(test_exavmlib)
 
 include(BuildElixir)
 
-pack_runnable(Tests Tests estdlib eavmlib exavmlib etest)
+set(TEST_MODULES
+    Some.Submodule
+)
+
+pack_test(Tests Tests ${TEST_MODULES})

tests/libs/exavmlib/Some.Submodule.ex

@@ -0,0 +1,25 @@
+#
+# This file is part of AtomVM.
+#
+# Copyright 2024 Davide Bettio <davide@uninstall.it>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-License-Identifier: Apache-2.0 OR LGPL-2.1-or-later
+#
+
+defmodule Some.Submodule do
+  def start do
+    :ok
+  end
+end

tests/libs/exavmlib/Tests.ex

@@ -28,6 +28,7 @@ defmodule Tests do
 
   def start() do
     :ok = IO.puts("Running Elixir tests")
+    :ok = Some.Submodule.start()
     :ok = test_enum()
     :ok = test_exception()
     :ok = test_chars_protocol()
@@ -122,7 +123,7 @@ defmodule Tests do
 
     # Enum.flat_map
     [:a, :a, :b, :b, :c, :c] = Enum.flat_map([:a, :b, :c], fn x -> [x, x] end)
-    [1, 2, 3, 4, 5, 6] = Enum.flat_map([{1, 3}, {4, 6}], fn {x, y} -> x..y end)
+    [1, 2, 3, 4, 5, 6] = Enum.flat_map([{1, 3}, {4, 6}], fn {x, y} -> Range.new(x, y) end)
     [[:a], [:b], [:c]] = Enum.flat_map([:a, :b, :c], fn x -> [[x]] end)
 
     # Enum.join