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#include "gtest/gtest.h"
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include "Options.hpp"
#include "protocols/MeterFile.hpp"
// this is a dirty hack. we should think about better ways/rules to link against the
// test objects.
// e.g. single files in the tests directory that just include the real file. This way one
// will avoid multiple includes of the same file in a different test case
// (or linking against the real file from the CMakeLists.txt)
// #include "../src/protocols/MeterFile.cpp"
int writes(int fd, const char *str);
TEST(MeterFile, basic) {
char tempfilename[L_tmpnam + 1];
ASSERT_NE(tmpnam(tempfilename), (char *)0);
std::list<Option> options;
options.push_back(Option("path", tempfilename));
options.push_back(Option("interval", 1));
// test without format option
MeterFile m(options);
ASSERT_STREQ(m.path(), tempfilename) << "devicename not eq " << tempfilename;
ASSERT_EQ(0, mkfifo(tempfilename, S_IRUSR | S_IWUSR));
int fd = open(tempfilename, O_RDWR);
ASSERT_NE(fd, -1);
ASSERT_EQ(SUCCESS, m.open());
// now we can simulate some input by simply writing into fd
std::vector<Reading> rds;
rds.resize(10);
// write two good data set
writes(fd, "32552\r\n");
writes(fd, "32552.5\r\n");
// writes(fd, "32552.6\r\n"); // bug: with 2 only it hangs! Fixed with changing order in while
//(i<n...) in MeterFile.cpp
// now read two readings:
EXPECT_EQ(2, m.read(rds, 2));
// check obis data:
ReadingIdentifier *p = rds[0].identifier().get();
double value = rds[0].value();
EXPECT_EQ(32552, value);
StringIdentifier *o = dynamic_cast<StringIdentifier *>(p);
ASSERT_NE((StringIdentifier *)0, o);
EXPECT_EQ(StringIdentifier(""), *o);
value = rds[1].value();
p = rds[1].identifier().get();
o = dynamic_cast<StringIdentifier *>(p);
EXPECT_EQ(32552.5, value);
ASSERT_NE((StringIdentifier *)0, o);
EXPECT_EQ(StringIdentifier(""), *o);
EXPECT_EQ(0, m.close());
EXPECT_EQ(0, close(fd));
EXPECT_EQ(0, unlink(tempfilename));
}
TEST(MeterFile, format1) {
char tempfilename[L_tmpnam + 1];
ASSERT_NE(tmpnam(tempfilename), (char *)0);
std::list<Option> options;
options.push_back(Option("path", tempfilename));
options.push_back(Option("format", (char *)"$v"));
options.push_back(Option("interval", 1));
MeterFile m(options);
ASSERT_STREQ(m.path(), tempfilename) << "devicename not eq " << tempfilename;
ASSERT_EQ(0, mkfifo(tempfilename, S_IRUSR | S_IWUSR));
int fd = open(tempfilename, O_RDWR);
ASSERT_NE(fd, -1);
ASSERT_EQ(SUCCESS, m.open());
// now we can simulate some input by simply writing into fd
std::vector<Reading> rds;
rds.resize(10);
// write two good data set
writes(fd, "32552\r\n");
writes(fd, "32552.5\r\n");
// now read two readings:
EXPECT_EQ(2, m.read(rds, 2));
// check obis data:
ReadingIdentifier *p = rds[0].identifier().get();
double value = rds[0].value();
EXPECT_EQ(32552, value);
StringIdentifier *o = dynamic_cast<StringIdentifier *>(p);
ASSERT_NE((StringIdentifier *)0, o);
EXPECT_EQ(StringIdentifier("<null>"), *o);
value = rds[1].value();
p = rds[1].identifier().get();
o = dynamic_cast<StringIdentifier *>(p);
EXPECT_EQ(32552.5, value);
ASSERT_NE((StringIdentifier *)0, o);
EXPECT_EQ(StringIdentifier("<null>"), *o);
EXPECT_EQ(0, m.close());
EXPECT_EQ(0, close(fd));
EXPECT_EQ(0, unlink(tempfilename));
}
TEST(MeterFile, format2) {
char tempfilename[L_tmpnam + 1];
ASSERT_NE(tmpnam(tempfilename), (char *)0);
std::list<Option> options;
options.push_back(Option("path", tempfilename));
options.push_back(Option("format", (char *)"$i : $v"));
options.push_back(Option("interval", 1));
MeterFile m(options);
ASSERT_STREQ(m.path(), tempfilename) << "devicename not eq " << tempfilename;
ASSERT_EQ(0, mkfifo(tempfilename, S_IRUSR | S_IWUSR));
int fd = open(tempfilename, O_RDWR);
ASSERT_NE(fd, -1);
ASSERT_EQ(SUCCESS, m.open());
// now we can simulate some input by simply writing into fd
std::vector<Reading> rds;
rds.resize(2);
// write two good data set
writes(fd, "id1 : 32552\r\n");
writes(fd, "id2 : 32552.5\r\n");
// now read two readings:
EXPECT_EQ(2, m.read(rds, 2));
// check obis data:
ReadingIdentifier *p = rds[0].identifier().get();
double value = rds[0].value();
EXPECT_EQ(32552, value);
StringIdentifier *o = dynamic_cast<StringIdentifier *>(p);
ASSERT_NE((StringIdentifier *)0, o);
EXPECT_EQ(StringIdentifier("id1"), *o);
value = rds[1].value();
p = rds[1].identifier().get();
o = dynamic_cast<StringIdentifier *>(p);
EXPECT_EQ(32552.5, value);
ASSERT_NE((StringIdentifier *)0, o);
EXPECT_EQ(StringIdentifier("id2"), *o);
EXPECT_EQ(0, m.close());
EXPECT_EQ(0, close(fd));
EXPECT_EQ(0, unlink(tempfilename));
}
TEST(MeterFile, reading_times) {
Reading r;
struct timeval t;
t.tv_sec = 1001;
t.tv_usec = 1;
r.time(t);
ASSERT_EQ(1001000ll, r.time_ms()) << r.time_ms();
t.tv_usec = 1000;
r.time(t);
ASSERT_EQ(1001001ll, r.time_ms()) << r.time_ms();
r.time_from_double(1002.00001);
ASSERT_EQ(1002000ll, r.time_ms()) << r.time_ms();
}
TEST(MeterFile, format3) {
char tempfilename[L_tmpnam + 1];
ASSERT_NE(tmpnam(tempfilename), (char *)0);
std::list<Option> options;
options.push_back(Option("path", tempfilename));
options.push_back(Option("format", (char *)"$t;$i : $v"));
options.push_back(Option("interval", 1));
MeterFile m(options);
ASSERT_STREQ(m.path(), tempfilename) << "devicename not eq " << tempfilename;
ASSERT_EQ(0, mkfifo(tempfilename, S_IRUSR | S_IWUSR));
int fd = open(tempfilename, O_RDWR);
ASSERT_NE(fd, -1);
ASSERT_EQ(SUCCESS, m.open());
// now we can simulate some input by simply writing into fd
std::vector<Reading> rds;
rds.resize(2);
// write two good data set
writes(fd, "1001.2;id1 : 32552\r\n");
writes(fd, "1002.5;id2 : 32552.5\r\n");
// now read two readings:
EXPECT_EQ(2, m.read(rds, 2));
// check obis data:
ReadingIdentifier *p = rds[0].identifier().get();
double value = rds[0].value();
EXPECT_EQ(32552, value);
EXPECT_EQ(1001200ll, rds[0].time_ms()) << rds[0].time_ms();
StringIdentifier *o = dynamic_cast<StringIdentifier *>(p);
ASSERT_NE((StringIdentifier *)0, o);
EXPECT_EQ(StringIdentifier("id1"), *o);
value = rds[1].value();
p = rds[1].identifier().get();
o = dynamic_cast<StringIdentifier *>(p);
EXPECT_EQ(32552.5, value);
EXPECT_EQ(1002500ll, rds[1].time_ms());
ASSERT_NE((StringIdentifier *)0, o);
EXPECT_EQ(StringIdentifier("id2"), *o);
EXPECT_EQ(0, m.close());
EXPECT_EQ(0, close(fd));
EXPECT_EQ(0, unlink(tempfilename));
}
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