factor cpp unit tests out of ruby unit tests

Author: ianfixes

SampleProjects/DoSomething/test/bad-null.cpp

@@ -0,0 +1,10 @@
+#include <ArduinoUnitTests.h>
+
+unittest(pretend_equal_things_arent)
+{
+  int x = 3;
+  int y = 3;
+  assertNotEqual(x, y);
+}
+
+unittest_main()

spec/cpp_library_spec.rb

@@ -3,49 +3,41 @@
 sampleproj_path = File.join(File.dirname(File.dirname(__FILE__)), "SampleProjects")
 
 RSpec.describe ArduinoCI::CppLibrary do
-  cpp_lib_path = File.join(sampleproj_path, "TestSomething")
+  cpp_lib_path = File.join(sampleproj_path, "DoSomething")
   cpp_library = ArduinoCI::CppLibrary.new(cpp_lib_path)
   context "cpp_files" do
     it "finds cpp files in directory" do
-      testsomething_cpp_files = ["TestSomething/test-something.cpp"]
+      dosomething_cpp_files = ["DoSomething/do-something.cpp"]
       relative_paths = cpp_library.cpp_files.map { |f| f.split("SampleProjects/", 2)[1] }
-      expect(relative_paths).to match_array(testsomething_cpp_files)
+      expect(relative_paths).to match_array(dosomething_cpp_files)
     end
   end
 
   context "header_dirs" do
     it "finds directories containing h files" do
-      testsomething_header_dirs = ["TestSomething"]
+      dosomething_header_dirs = ["DoSomething"]
       relative_paths = cpp_library.header_dirs.map { |f| f.split("SampleProjects/", 2)[1] }
-      expect(relative_paths).to match_array(testsomething_header_dirs)
+      expect(relative_paths).to match_array(dosomething_header_dirs)
     end
   end
 
   context "tests_dir" do
     it "locate the tests directory" do
-      testsomething_header_dirs = ["TestSomething"]
+      dosomething_header_dirs = ["DoSomething"]
       relative_path = cpp_library.tests_dir.split("SampleProjects/", 2)[1]
-      expect(relative_path).to eq("TestSomething/test")
+      expect(relative_path).to eq("DoSomething/test")
     end
   end
 
   context "test_files" do
     it "finds cpp files in directory" do
-      testsomething_test_files = [
-        "TestSomething/test/good-null.cpp",
-        "TestSomething/test/good-math.cpp",
-        "TestSomething/test/good-trig.cpp",
-        "TestSomething/test/good-library.cpp",
-        "TestSomething/test/good-godmode.cpp",
-        "TestSomething/test/good-defines.cpp",
-        "TestSomething/test/good-wcharacter.cpp",
-        "TestSomething/test/good-wstring.cpp",
-        "TestSomething/test/good-stream.cpp",
-        "TestSomething/test/good-serial.cpp",
-        "TestSomething/test/bad-null.cpp",
+      dosomething_test_files = [
+        "DoSomething/test/good-null.cpp",
+        "DoSomething/test/good-library.cpp",
+        "DoSomething/test/bad-null.cpp",
       ]
       relative_paths = cpp_library.test_files.map { |f| f.split("SampleProjects/", 2)[1] }
-      expect(relative_paths).to match_array(testsomething_test_files)
+      expect(relative_paths).to match_array(dosomething_test_files)
     end
   end
 

spec/testsomething_unittests_spec.rb

@@ -0,0 +1,50 @@
+require "spec_helper"
+
+sampleproj_path = File.join(File.dirname(File.dirname(__FILE__)), "SampleProjects")
+
+RSpec.describe ArduinoCI::CppLibrary do
+  cpp_lib_path = File.join(sampleproj_path, "TestSomething")
+  cpp_library = ArduinoCI::CppLibrary.new(cpp_lib_path)
+  context "cpp_files" do
+    it "finds cpp files in directory" do
+      testsomething_cpp_files = ["TestSomething/test-something.cpp"]
+      relative_paths = cpp_library.cpp_files.map { |f| f.split("SampleProjects/", 2)[1] }
+      expect(relative_paths).to match_array(testsomething_cpp_files)
+    end
+  end
+
+  context "test" do
+    config = ArduinoCI::CIConfig.default
+
+    after(:each) do |example|
+      if example.exception
+        puts "Last command: #{cpp_library.last_cmd}"
+        puts "========== Stdout:"
+        puts cpp_library.last_out
+        puts "========== Stderr:"
+        puts cpp_library.last_err
+      end
+    end
+
+    it "is going to test more than one library" do
+      test_files = cpp_library.test_files
+      expect(test_files.empty?).to be false
+    end
+
+    # well this override is clunky as hell.
+    # @todo smooth this out for external purposes
+    ArduinoCI::CIConfig.default.with_config(cpp_lib_path, ArduinoCI::CIConfig.default) do |config_path|
+      config = ArduinoCI::CIConfig.default.with_override(config_path)
+
+      test_files = config.allowable_unittest_files(cpp_library.test_files)
+      test_files.each do |path|
+        expected = path.include?("good")
+        it "tests #{File.basename(path)} expecting #{expected}" do
+          exe = cpp_library.build_for_test_with_configuration(path, [], config.gcc_config("uno"))
+          expect(exe).not_to be nil
+          expect(cpp_library.run_test_file(exe)).to eq(expected)
+        end
+      end
+    end
+  end
+end