add ability to verify sketches

Author: ianfixes

CHANGELOG.md

@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - `ArduinoCmd` installs boards
 - `ArduinoCmd` installs libraries
 - `ArduinoCmd` selects boards (compiler preference)
+- `ArduinoCmd` verifies sketches
 
 ### Changed
 - `DisplayManger.with_display` doesn't `disable` if the display was enabled prior to starting the block

exe/ci_system_check.rb

@@ -37,8 +37,13 @@
 got_problem = true unless arduino_cmd.set_pref("compiler.warning_level", "all")
 puts "use board! (install board)"
 got_problem = true unless arduino_cmd.use_board!("arduino:samd:zero")
-puts "verify that board has been installed"
+puts "assert that board has been installed"
 got_problem = true unless arduino_cmd.board_installed?("arduino:samd:zero")
 
+simple_sketch = File.join(File.dirname(__FILE__), "spec", "FakeSketch", "FakeSketch.ino")
+
+puts "verify a simple sketch"
+got_problem = true unless arduino_cmd.verify_sketch(simple_sketch)
+
 abort if got_problem
 exit(0)

lib/arduino_ci/arduino_cmd.rb

@@ -151,5 +151,14 @@ def use_board!(boardname)
       use_board(boardname)
     end
 
+    def verify_sketch(path)
+      ext = File.extname path
+      unless ext.casecmp(".ino").zero?
+        puts "Refusing to verify sketch with '#{ext}' extension -- rename it to '.ino'!"
+        return false
+      end
+      run("--verify", path, err: :out)
+    end
+
   end
 end

spec/BadSketch/BadSketch.ino

@@ -0,0 +1 @@
+Oh god how did this get in here I am not good with computer

spec/FakeSketch/FakeSketch.ino

@@ -0,0 +1,2 @@
+void setup(void) { 0; }
+void loop(void) { 0; }

spec/arduino_cmd_spec.rb

@@ -1,5 +1,10 @@
 require "spec_helper"
 
+def get_sketch(dir, file)
+  File.join(File.dirname(__FILE__), dir, file)
+end
+
+
 RSpec.describe ArduinoCI::ArduinoCmd do
   context "autolocate" do
     it "Finds the Arduino executable" do
@@ -42,4 +47,30 @@
       expect(result).to be true
     end
   end
+
+  context "verify_sketch" do
+    arduino_cmd = ArduinoCI::ArduinoCmd.autolocate!
+    ArduinoCI::DisplayManager::instance.enable
+
+    sketch_path_ino = get_sketch("FakeSketch", "FakeSketch.ino")
+    sketch_path_pde = get_sketch("FakeSketch", "FakeSketch.pde")
+    sketch_path_mia = get_sketch("NO_FILE_HERE", "foo.ino")
+    sketch_path_bad = get_sketch("BadSketch", "BadSketch.ino")
+
+    it "Passes a simple INO sketch at #{sketch_path_ino}" do
+      expect(arduino_cmd.verify_sketch(sketch_path_ino)).to be true
+    end
+
+    it "Rejects a PDE sketch at #{sketch_path_pde}" do
+      expect(arduino_cmd.verify_sketch(sketch_path_pde)).to be false
+    end
+
+    it "Fails a missing sketch at #{sketch_path_mia}" do
+      expect(arduino_cmd.verify_sketch(sketch_path_mia)).to be false
+    end
+
+    it "Fails a bad sketch at #{sketch_path_bad}" do
+      expect(arduino_cmd.verify_sketch(sketch_path_bad)).to be false
+    end
+  end
 end