public File createRrdFile() throws Exception {
String rrdFileBase = "foo";
m_fileAnticipator.initialize();
// This is so the RrdUtils.getExtension() call in the strategy works
// Properties properties = new Properties();
// properties.setProperty("org.opennms.rrd.fileExtension", rrdExtension);
// RrdConfig.getInstance().setProperties(properties);
List<RrdDataSource> dataSources = new ArrayList<RrdDataSource>();
dataSources.add(new RrdDataSource("bar", "GAUGE", 3000, "U", "U"));
List<String> rraList = new ArrayList<String>();
rraList.add("RRA:AVERAGE:0.5:1:2016");
File tempDir = m_fileAnticipator.getTempDir();
// Create an '/rrd/snmp/1' directory in the temp directory so that the
// RRDs created by the test will have a realistic path
File rrdDir =
m_fileAnticipator.tempDir(
m_fileAnticipator.tempDir(m_fileAnticipator.tempDir(tempDir, "rrd"), "snmp"), "1");
RrdDefinition def =
m_strategy.createDefinition(
"hello!", rrdDir.getAbsolutePath(), rrdFileBase, 300, dataSources, rraList);
m_strategy.createFile(def, null);
return m_fileAnticipator.expecting(rrdDir, rrdFileBase + RRD_EXTENSION);
}
@Before
public void setUp() throws IOException {
m_fileAnticipator = new FileAnticipator();
m_resourceStorageDao = new FilesystemResourceStorageDao();
m_resourceStorageDao.setRrdDirectory(m_fileAnticipator.getTempDir());
m_resourceStorageDao.setRrdStrategy(new NullRrdStrategy());
}
private File touch(String first, String... more) {
Path parent = m_fileAnticipator.getTempDir().toPath();
Path path = parent.resolve(Paths.get(first, more));
File file = path.toFile();
file.getParentFile().mkdirs();
try {
file.createNewFile();
} catch (IOException e) {
throw Throwables.propagate(e);
}
assertTrue(file.canRead());
return file;
}