1 files changed, 100 insertions, 0 deletions
diff --git a/src/settings/services/test/test_helper.rb b/src/settings/services/test/test_helper.rb
new file mode 100644
index 000000000..9da5cf3c3
--- /dev/null
+++ b/src/settings/services/test/test_helper.rb
@@ -0,0 +1,100 @@
+# Copyright (C) 2019 Harald Sitter <[email protected]>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the
+# Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+GLOBAL_COVERAGE_ROOT = File.dirname(__dir__) # ../
+
+# Simplecov is a bit meh and expects src and coverage to be under the
+# same root. Since we get run through cmake that assumption absolutely
+# doesn't hold true, so we'll need to figure out the coverage_dir relative
+# to the root and the root must always be the source :/
+# The relativity only works because internally the path gets expanded, this
+# isn't fully reliable, but oh well...
+# https://github.com/colszowka/simplecov/issues/716
+GLOBAL_COVERAGE_DIR = begin
+  require 'pathname'
+  src_path = Pathname.new(GLOBAL_COVERAGE_ROOT)
+  coverage_path = Pathname.new(File.join(Dir.pwd, 'coverage'))
+  coverage_path.relative_path_from(src_path).to_s
+end
+
+begin
+  require 'simplecov'
+
+  SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter.new(
+    [
+      SimpleCov::Formatter::HTMLFormatter
+    ]
+  )
+
+  SimpleCov.start do
+    root GLOBAL_COVERAGE_ROOT
+    coverage_dir GLOBAL_COVERAGE_DIR
+  end
+rescue LoadError
+  warn 'SimpleCov not loaded'
+end
+
+# FIXME: add coverage report for jenkins?
+
+$LOAD_PATH.unshift(File.absolute_path('../', __dir__)) # ../
+
+def __test_method_name__
+  return @method_name if defined?(:@method_name)
+  index = 0
+  caller = ''
+  until caller.start_with?('test_')
+    caller = caller_locations(index, 1)[0].label
+    index += 1
+  end
+  caller
+end
+
+# system() variant which sets up merge-coverage. simplecov supports merging
+# of multiple coverage sets. we use this to get coverage metrics on the
+# binaries without having to refactor the script into runnable classes.
+def covered_system(cmd, *argv)
+  pid = fork do
+    Kernel.module_exec do
+      alias_method(:real_system, :system)
+      define_method(:system) do |*args|
+        return true if args.include?('kdialog') # disable kdialog call
+        real_system(*args)
+      end
+    end
+
+    begin
+      require 'simplecov'
+      SimpleCov.start do
+        root GLOBAL_COVERAGE_ROOT
+        coverage_dir GLOBAL_COVERAGE_DIR
+        command_name "#{cmd}_#{__test_method_name__}"
+      end
+    rescue LoadError
+      warn 'SimpleCov not loaded'
+    end
+
+    ARGV.replace(argv)
+    load "#{__dir__}/../#{cmd}"
+    puts 'all good, fork ending!'
+    exit 0
+  end
+  waitedpid, status = Process.waitpid2(pid)
+  assert_equal(pid, waitedpid)
+  status.success? # behave like system and return the success only
+end
+
+require 'test/unit'