From 708157c8fd95a415b1ec84d5aa81590b8d138463 Mon Sep 17 00:00:00 2001
From: Andrew Scheller <github@loowis.durge.org>
Date: Sat, 30 Apr 2016 12:19:45 +0100
Subject: [PATCH 1/3] Minor Energenie tweaks

---
 gpiozero/boards.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/gpiozero/boards.py b/gpiozero/boards.py
index a42dc5f..16a5bb3 100644
--- a/gpiozero/boards.py
+++ b/gpiozero/boards.py
@@ -846,6 +846,7 @@ class Energenie(SourceMixin, Device):
             raise EnergenieSocketMissing('socket number must be provided')
         if not (1 <= socket <= 4):
             raise EnergenieBadSocket('socket number must be between 1 and 4')
+        self._value = None
         super(Energenie, self).__init__()
         self._socket = socket
         self._master = _EnergenieMaster()
@@ -877,8 +878,9 @@ class Energenie(SourceMixin, Device):
 
     @value.setter
     def value(self, value):
-        self._master.transmit(self._socket, bool(value))
-        self._value = bool(value)
+        value = bool(value)
+        self._master.transmit(self._socket, value)
+        self._value = value
 
     def on(self):
         self.value = True

From 28afa63ba84eee400da7b601480d9bfa8abd11ef Mon Sep 17 00:00:00 2001
From: Andrew Scheller <github@loowis.durge.org>
Date: Sat, 30 Apr 2016 12:24:05 +0100
Subject: [PATCH 2/3] test tweak

---
 tests/test_boards.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/test_boards.py b/tests/test_boards.py
index 627325e..80668a1 100644
--- a/tests/test_boards.py
+++ b/tests/test_boards.py
@@ -430,6 +430,8 @@ def test_energenie_bad_init():
         Energenie()
     with pytest.raises(ValueError):
         Energenie(0)
+    with pytest.raises(ValueError):
+        Energenie(5)
 
 def test_energenie():
     pins = [MockPin(n) for n in (17, 22, 23, 27, 24, 25)]

From 864c4f93278cc7a2ef197329df56a0f84ed0a546 Mon Sep 17 00:00:00 2001
From: Andrew Scheller <github@loowis.durge.org>
Date: Sat, 30 Apr 2016 14:12:51 +0100
Subject: [PATCH 3/3] test Energenie repr

---
 tests/test_boards.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tests/test_boards.py b/tests/test_boards.py
index 80668a1..8b12dea 100644
--- a/tests/test_boards.py
+++ b/tests/test_boards.py
@@ -437,6 +437,8 @@ def test_energenie():
     pins = [MockPin(n) for n in (17, 22, 23, 27, 24, 25)]
     with Energenie(1, initial_value=True) as device1, \
             Energenie(2, initial_value=False) as device2:
+        assert repr(device1) == '<gpiozero.Energenie object on socket 1>'
+        assert repr(device2) == '<gpiozero.Energenie object on socket 2>'
         assert device1.value
         assert not device2.value
         [pin.clear_states() for pin in pins]
@@ -457,4 +459,5 @@ def test_energenie():
         pins[3].assert_states_and_times([(0.0, True), (0.0, True)])
         pins[4].assert_states_and_times([(0.0, False)])
         pins[5].assert_states_and_times([(0.0, False), (0.1, True), (0.25, False)])
-
+        device1.close()
+        assert repr(device1) == '<gpiozero.Energenie object closed>'