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use crate::dyndns_service::DynDnsProvider;
use fqdn::FQDN;
use serde::{Deserialize, Serialize};
use serde_with::DisplayFromStr;
use serde_with::serde_as;
use strum::Display;
#[derive(Debug, Deserialize, Serialize)]
#[serde(transparent)]
struct Config {
wans: Vec<WanConfig>
}
#[derive(Debug, Deserialize, Serialize)]
struct WanConfig {
interface: Option<String>,
#[serde(flatten)]
dns_record: DnsRecord,
providers: Vec<DynDnsProvider>,
}
#[derive(Debug, Display, Deserialize, Serialize)]
#[derive(PartialEq)]
pub enum DnsRecordType {
A,
AAAA
}
#[serde_as]
#[derive(Debug, Deserialize, Serialize)]
struct DnsRecord {
#[serde_as(as = "DisplayFromStr")]
fqdn: FQDN,
#[serde(default = "default_ttl")]
ttl: u32,
#[serde(default = "default_record_type")]
record_type: DnsRecordType,
}
fn default_record_type() -> DnsRecordType {
DnsRecordType::A
}
fn default_ttl() -> u32 {
300
}
#[cfg(test)]
mod tests {
use std::error::Error;
use std::fs::{read_dir, File};
use std::io::BufReader;
use super::*;
use serde_json::json;
use std::str::FromStr;
use crate::dyndns_service::DynDnsProvider::GANDI;
use crate::dyndns_service::gandi::Gandi;
#[test]
fn check_minimal_config() {
let input = json!({
"fqdn": "dyn.domain.com",
"providers": [ {
"type": "GANDI",
"api_key": "SOME-API-KEY",
} ]
});
let wan_config = serde_json::from_value::<WanConfig>(input).unwrap();
assert_eq!(
wan_config.dns_record.fqdn,
FQDN::from_str("dyn.domain.com").unwrap()
);
assert_eq!(wan_config.interface, None);
assert_eq!(wan_config.providers.len(), 1);
let expected = Gandi::new("SOME-API-KEY".to_string());
let actual = wan_config.providers.get(0).unwrap();
assert_eq!(&GANDI(expected), actual);
}
#[test]
fn check_defaults_on_dns_record_deserialization() {
let input = json!({
"fqdn": "dyn.mydomain.com",
});
let dns_record = serde_json::from_value::<DnsRecord>(input).unwrap();
assert_eq!(dns_record.record_type, default_record_type());
assert_eq!(dns_record.ttl, default_ttl());
assert_eq!(dns_record.fqdn, FQDN::from_str("dyn.mydomain.com").unwrap());
}
#[test]
fn check_file_configs() -> Result<(), Box<dyn Error>> {
let path = std::path::Path::new("test");
for entry in read_dir(path)? {
let entry = entry?;
let test_file_path = entry.path();
if test_file_path.extension().unwrap_or_default() != "json" {
continue;
}
let file = File::open(test_file_path)?;
let reader = BufReader::new(file);
let actual: Config = serde_json::from_reader(reader)?;
assert_eq!(actual.wans.len(), 2);
}
Ok(())
}
}
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