From 5dc53355c78dd768c5771639d31486d8f6cf2530 Mon Sep 17 00:00:00 2001
From: deadprogram <ron@hybridgroup.com>
Date: Tue, 4 Apr 2017 14:06:58 +0200
Subject: [PATCH] i2c: increase test coverage for tsl2561

Signed-off-by: deadprogram <ron@hybridgroup.com>
---
 drivers/i2c/tsl2561_driver_test.go | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/drivers/i2c/tsl2561_driver_test.go b/drivers/i2c/tsl2561_driver_test.go
index fad01c0e..629981e2 100644
--- a/drivers/i2c/tsl2561_driver_test.go
+++ b/drivers/i2c/tsl2561_driver_test.go
@@ -134,3 +134,22 @@ func TestTSL2561DriverOptions(t *testing.T) {
 	d := NewTSL2561Driver(newI2cTestAdaptor(), WithBus(2))
 	gobottest.Assert(t, d.GetBusOrDefault(1), 2)
 }
+
+func TestTSL2561DriverGetLuminocity(t *testing.T) {
+	d, adaptor := initTestTSL2561Driver()
+
+	// TODO: obtain real sensor data here for testing
+	adaptor.i2cReadImpl = func(b []byte) (int, error) {
+		buf := new(bytes.Buffer)
+		buf.Write([]byte{77, 48})
+		copy(b, buf.Bytes())
+		return buf.Len(), nil
+	}
+
+	d.Start()
+	bb, ir, err := d.GetLuminocity()
+	gobottest.Assert(t, err, nil)
+	gobottest.Assert(t, bb, uint16(12365))
+	gobottest.Assert(t, ir, uint16(12365))
+	gobottest.Assert(t, d.CalculateLux(bb, ir), uint32(72))
+}