1 files changed, 84 insertions, 0 deletions
diff --git a/jni/ruby/test/rubygems/test_gem_ext_cmake_builder.rb b/jni/ruby/test/rubygems/test_gem_ext_cmake_builder.rb
new file mode 100644
index 0000000..a36be47
--- /dev/null
+++ b/jni/ruby/test/rubygems/test_gem_ext_cmake_builder.rb
@@ -0,0 +1,84 @@
+require 'rubygems/test_case'
+require 'rubygems/ext'
+
+class TestGemExtCmakeBuilder < Gem::TestCase
+
+  def setup
+    super
+
+    `cmake #{Gem::Ext::Builder.redirector}`
+
+    skip 'cmake not present' unless $?.success?
+
+    @ext = File.join @tempdir, 'ext'
+    @dest_path = File.join @tempdir, 'prefix'
+
+    FileUtils.mkdir_p @ext
+    FileUtils.mkdir_p @dest_path
+  end
+
+  def test_self_build
+    File.open File.join(@ext, 'CMakeLists.txt'), 'w' do |cmakelists|
+      cmakelists.write <<-eo_cmake
+cmake_minimum_required(VERSION 2.6)
+install (FILES test.txt DESTINATION bin)
+      eo_cmake
+    end
+
+    FileUtils.touch File.join(@ext, 'test.txt')
+
+    output = []
+
+    Dir.chdir @ext do
+      Gem::Ext::CmakeBuilder.build nil, nil, @dest_path, output
+    end
+
+    output = output.join "\n"
+
+    assert_match \
+      %r%^cmake \. -DCMAKE_INSTALL_PREFIX=#{Regexp.escape @dest_path}%, output
+    assert_match %r%#{Regexp.escape @ext}%, output
+    assert_contains_make_command '', output
+    assert_contains_make_command 'install', output
+    assert_match %r%test\.txt%, output
+  end
+
+  def test_self_build_fail
+    output = []
+
+    error = assert_raises Gem::InstallError do
+      Dir.chdir @ext do
+        Gem::Ext::CmakeBuilder.build nil, nil, @dest_path, output
+      end
+    end
+
+    output = output.join "\n"
+
+    shell_error_msg = %r{(CMake Error: .*)}
+    sh_prefix_cmake = "cmake . -DCMAKE_INSTALL_PREFIX="
+
+    assert_match 'cmake failed', error.message
+
+    assert_match %r%^#{sh_prefix_cmake}#{Regexp.escape @dest_path}%, output
+    assert_match %r%#{shell_error_msg}%, output
+  end
+
+  def test_self_build_has_makefile
+    File.open File.join(@ext, 'Makefile'), 'w' do |makefile|
+      makefile.puts "all:\n\t@echo ok\ninstall:\n\t@echo ok"
+    end
+
+    output = []
+
+    Dir.chdir @ext do
+      Gem::Ext::CmakeBuilder.build nil, nil, @dest_path, output
+    end
+
+    output = output.join "\n"
+
+    assert_contains_make_command '', output
+    assert_contains_make_command 'install', output
+  end
+
+end
+