Add tests

Author: arirusso

spec/session_spec.rb

@@ -146,6 +146,16 @@
       end
     end
 
+    context 'when a sysex message' do
+      let(:input) { [0xF0, 0x41, 0x10, 0x42, 0x12, 0x40, 0x00, 0x7F, 0x00, 0x41, 0xF7, 0x50] }
+
+      it 'returns correct message' do
+        expect(returned_messages.count).to eq(1)
+        expect(returned_message).to_not be_nil
+        expect(returned_message).to be_a(MIDIMessage::SystemExclusive)
+      end
+    end
+
     context 'when a 3-byte system common message' do
       let(:input) { [0xF2, 0x50, 0x20] }
 

spec/util_spec.rb

@@ -3,6 +3,44 @@
 require 'helper'
 
 describe Nibbler::Util do
+  describe '.status_bit' do
+    let(:result) { Nibbler::Util.status_bit(input) }
+    context 'when byte with first bit high' do
+      let(:input) { 0x90 }
+
+      it 'returns 1' do
+        expect(result).to eq(1)
+      end
+    end
+
+    context 'when byte with first bit low' do
+      let(:input) { 0x40 }
+
+      it 'returns 0' do
+        expect(result).to eq(0)
+      end
+    end
+  end
+
+  describe '.status_byte?' do
+    let(:result) { Nibbler::Util.status_byte?(input) }
+    context 'when byte with first bit high' do
+      let(:input) { 0x90 }
+
+      it 'returns true' do
+        expect(result).to be(true)
+      end
+    end
+
+    context 'when byte with first bit low' do
+      let(:input) { 0x40 }
+
+      it 'returns false' do
+        expect(result).to be(false)
+      end
+    end
+  end
+
   describe 'Conversion' do
     describe '.strings_to_numeric_bytes' do
       let(:output) { Nibbler::Util::Conversion.send(:strings_to_numeric_bytes, *input) }