blob: e8339e7aab50a7cede0de2837a01cd2923f876a9 [file] [log] [blame]
Andrew Jefferye185efb2018-05-24 12:59:06 +09301/**
2 * Copyright © 2019 IBM Corporation
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "sysfs.hpp"
18
19#include <sys/param.h>
20
21#include <cerrno>
22#include <cstdlib>
23#include <fstream>
24
25#include <gtest/gtest.h>
26
27namespace fs = std::experimental::filesystem;
28
29constexpr unsigned long MAX_BRIGHTNESS_VAL = 128;
30
31class FakeSysfsLed : public phosphor::led::SysfsLed
32{
33 public:
34 static FakeSysfsLed create()
35 {
36 static constexpr auto tmplt = "/tmp/FakeSysfsLed.XXXXXX";
37 char buffer[MAXPATHLEN] = {0};
38
39 strncpy(buffer, tmplt, sizeof(buffer) - 1);
40 char* dir = mkdtemp(buffer);
41 if (!dir)
42 throw std::system_error(errno, std::system_category());
43
44 return FakeSysfsLed(fs::path(dir));
45 }
46
47 ~FakeSysfsLed()
48 {
49 fs::remove_all(root);
50 }
51
52 private:
53 FakeSysfsLed(fs::path&& path) : SysfsLed(std::move(path))
54 {
55 std::string attrs[4] = {BRIGHTNESS, TRIGGER, DELAY_ON, DELAY_OFF};
56 for (const auto& attr : attrs)
57 {
58 fs::path p = root / attr;
59 std::ofstream f(p, std::ios::out);
60 f.exceptions(f.failbit);
61 }
62
63 fs::path p = root / MAX_BRIGHTNESS;
64 std::ofstream f(p, std::ios::out);
65 f.exceptions(f.failbit);
66 f << MAX_BRIGHTNESS_VAL;
67 }
68};
69
70TEST(Sysfs, getBrightness)
71{
72 constexpr unsigned long brightness = 127;
73 FakeSysfsLed fsl = FakeSysfsLed::create();
74
75 fsl.setBrightness(brightness);
76 ASSERT_EQ(brightness, fsl.getBrightness());
77}
78
79TEST(Sysfs, getMaxBrightness)
80{
81 FakeSysfsLed fsl = FakeSysfsLed::create();
82
83 ASSERT_EQ(MAX_BRIGHTNESS_VAL, fsl.getMaxBrightness());
84}
85
86TEST(Sysfs, getTrigger)
87{
88 constexpr auto trigger = "none";
89 FakeSysfsLed fsl = FakeSysfsLed::create();
90
91 fsl.setTrigger(trigger);
92 ASSERT_EQ(trigger, fsl.getTrigger());
93}
94
95TEST(Sysfs, getDelayOn)
96{
97 constexpr unsigned long delayOn = 250;
98 FakeSysfsLed fsl = FakeSysfsLed::create();
99
100 fsl.setDelayOn(delayOn);
101 ASSERT_EQ(delayOn, fsl.getDelayOn());
102}
103
104TEST(Sysfs, getDelayOff)
105{
106 constexpr unsigned long delayOff = 750;
107 FakeSysfsLed fsl = FakeSysfsLed::create();
108
109 fsl.setDelayOff(delayOff);
110 ASSERT_EQ(delayOff, fsl.getDelayOff());
111}