public static ProcessEntryPoint createForArguments(String[] args) {
Props props = ConfigurationUtils.loadPropsFromCommandLineArgs(args);
ProcessCommands commands =
new DefaultProcessCommands(
props.nonNullValueAsFile(PROPERTY_SHARED_PATH),
Integer.parseInt(props.nonNullValue(PROPERTY_PROCESS_INDEX)));
return new ProcessEntryPoint(props, new SystemExit(), commands);
}
@Test
public void loadPropsFromCommandLineArgs_missing_argument() {
try {
ConfigurationUtils.loadPropsFromCommandLineArgs(new String[0]);
fail();
} catch (IllegalArgumentException e) {
assertThat(e.getMessage()).startsWith("Only a single command-line argument is accepted");
}
}
@Test
public void loadPropsFromCommandLineArgs_load_properties_from_file() throws Exception {
File propsFile = temp.newFile();
FileUtils.write(propsFile, "foo=bar");
Props result =
ConfigurationUtils.loadPropsFromCommandLineArgs(new String[] {propsFile.getAbsolutePath()});
assertThat(result.value("foo")).isEqualTo("bar");
assertThat(result.rawProperties()).hasSize(1);
}
@Test
public void loadPropsFromCommandLineArgs_file_does_not_exist() throws Exception {
File propsFile = temp.newFile();
FileUtils.deleteQuietly(propsFile);
try {
ConfigurationUtils.loadPropsFromCommandLineArgs(new String[] {propsFile.getAbsolutePath()});
fail();
} catch (IllegalStateException e) {
assertThat(e)
.hasMessage("Could not read properties from file: " + propsFile.getAbsolutePath());
}
}
