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-rw-r--r--netwerk/test/unit/test_dns_override.js322
1 files changed, 322 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_dns_override.js b/netwerk/test/unit/test_dns_override.js
new file mode 100644
index 0000000000..3dad511b4e
--- /dev/null
+++ b/netwerk/test/unit/test_dns_override.js
@@ -0,0 +1,322 @@
+"use strict";
+
+const override = Cc["@mozilla.org/network/native-dns-override;1"].getService(
+ Ci.nsINativeDNSResolverOverride
+);
+const defaultOriginAttributes = {};
+const mainThread = Services.tm.currentThread;
+
+class Listener {
+ constructor() {
+ this.promise = new Promise(resolve => {
+ this.resolve = resolve;
+ });
+ }
+
+ onLookupComplete(inRequest, inRecord, inStatus) {
+ this.resolve([inRequest, inRecord, inStatus]);
+ }
+
+ async firstAddress() {
+ let all = await this.addresses();
+ if (all.length) {
+ return all[0];
+ }
+
+ return undefined;
+ }
+
+ async addresses() {
+ let [, inRecord] = await this.promise;
+ let addresses = [];
+ if (!inRecord) {
+ return addresses; // returns []
+ }
+ inRecord.QueryInterface(Ci.nsIDNSAddrRecord);
+ while (inRecord.hasMore()) {
+ addresses.push(inRecord.getNextAddrAsString());
+ }
+ return addresses;
+ }
+
+ then() {
+ return this.promise.then.apply(this.promise, arguments);
+ }
+}
+Listener.prototype.QueryInterface = ChromeUtils.generateQI(["nsIDNSListener"]);
+
+const DOMAIN = "example.org";
+const OTHER = "example.com";
+
+add_task(async function test_bad_IPs() {
+ Assert.throws(
+ () => override.addIPOverride(DOMAIN, DOMAIN),
+ /NS_ERROR_UNEXPECTED/,
+ "Should throw if input is not an IP address"
+ );
+ Assert.throws(
+ () => override.addIPOverride(DOMAIN, ""),
+ /NS_ERROR_UNEXPECTED/,
+ "Should throw if input is not an IP address"
+ );
+ Assert.throws(
+ () => override.addIPOverride(DOMAIN, " "),
+ /NS_ERROR_UNEXPECTED/,
+ "Should throw if input is not an IP address"
+ );
+ Assert.throws(
+ () => override.addIPOverride(DOMAIN, "1-2-3-4"),
+ /NS_ERROR_UNEXPECTED/,
+ "Should throw if input is not an IP address"
+ );
+});
+
+add_task(async function test_ipv4() {
+ let listener = new Listener();
+ override.addIPOverride(DOMAIN, "1.2.3.4");
+ Services.dns.asyncResolve(
+ DOMAIN,
+ Ci.nsIDNSService.RESOLVE_TYPE_DEFAULT,
+ 0,
+ null,
+ listener,
+ mainThread,
+ defaultOriginAttributes
+ );
+ Assert.equal(await listener.firstAddress(), "1.2.3.4");
+
+ Services.dns.clearCache(false);
+ override.clearOverrides();
+});
+
+add_task(async function test_ipv6() {
+ let listener = new Listener();
+ override.addIPOverride(DOMAIN, "fe80::6a99:9b2b:6ccc:6e1b");
+ Services.dns.asyncResolve(
+ DOMAIN,
+ Ci.nsIDNSService.RESOLVE_TYPE_DEFAULT,
+ 0,
+ null,
+ listener,
+ mainThread,
+ defaultOriginAttributes
+ );
+ Assert.equal(await listener.firstAddress(), "fe80::6a99:9b2b:6ccc:6e1b");
+
+ Services.dns.clearCache(false);
+ override.clearOverrides();
+});
+
+add_task(async function test_clearOverrides() {
+ let listener = new Listener();
+ override.addIPOverride(DOMAIN, "1.2.3.4");
+ Services.dns.asyncResolve(
+ DOMAIN,
+ Ci.nsIDNSService.RESOLVE_TYPE_DEFAULT,
+ 0,
+ null,
+ listener,
+ mainThread,
+ defaultOriginAttributes
+ );
+ Assert.equal(await listener.firstAddress(), "1.2.3.4");
+
+ Services.dns.clearCache(false);
+ override.clearOverrides();
+
+ listener = new Listener();
+ Services.dns.asyncResolve(
+ DOMAIN,
+ Ci.nsIDNSService.RESOLVE_TYPE_DEFAULT,
+ 0,
+ null,
+ listener,
+ mainThread,
+ defaultOriginAttributes
+ );
+ Assert.notEqual(await listener.firstAddress(), "1.2.3.4");
+
+ await new Promise(resolve => do_timeout(1000, resolve));
+ Services.dns.clearCache(false);
+ override.clearOverrides();
+});
+
+add_task(async function test_clearHostOverride() {
+ override.addIPOverride(DOMAIN, "2.2.2.2");
+ override.addIPOverride(OTHER, "2.2.2.2");
+ override.clearHostOverride(DOMAIN);
+ let listener = new Listener();
+ Services.dns.asyncResolve(
+ DOMAIN,
+ Ci.nsIDNSService.RESOLVE_TYPE_DEFAULT,
+ 0,
+ null,
+ listener,
+ mainThread,
+ defaultOriginAttributes
+ );
+
+ Assert.notEqual(await listener.firstAddress(), "2.2.2.2");
+
+ listener = new Listener();
+ Services.dns.asyncResolve(
+ OTHER,
+ Ci.nsIDNSService.RESOLVE_TYPE_DEFAULT,
+ 0,
+ null,
+ listener,
+ mainThread,
+ defaultOriginAttributes
+ );
+ Assert.equal(await listener.firstAddress(), "2.2.2.2");
+
+ // Note: this test will use the actual system resolver. On windows we do a
+ // second async call to the system libraries to get the TTL values, which
+ // keeps the record alive after the onLookupComplete()
+ // We need to wait for a bit, until the second call is finished before we
+ // can clear the cache to make sure we evict everything.
+ // If the next task ever starts failing, with an IP that is not in this
+ // file, then likely the timeout is too small.
+ await new Promise(resolve => do_timeout(1000, resolve));
+ Services.dns.clearCache(false);
+ override.clearOverrides();
+});
+
+add_task(async function test_multiple_IPs() {
+ override.addIPOverride(DOMAIN, "2.2.2.2");
+ override.addIPOverride(DOMAIN, "1.1.1.1");
+ override.addIPOverride(DOMAIN, "::1");
+ override.addIPOverride(DOMAIN, "fe80::6a99:9b2b:6ccc:6e1b");
+ let listener = new Listener();
+ Services.dns.asyncResolve(
+ DOMAIN,
+ Ci.nsIDNSService.RESOLVE_TYPE_DEFAULT,
+ 0,
+ null,
+ listener,
+ mainThread,
+ defaultOriginAttributes
+ );
+ Assert.deepEqual(await listener.addresses(), [
+ "2.2.2.2",
+ "1.1.1.1",
+ "::1",
+ "fe80::6a99:9b2b:6ccc:6e1b",
+ ]);
+
+ Services.dns.clearCache(false);
+ override.clearOverrides();
+});
+
+add_task(async function test_address_family_flags() {
+ override.addIPOverride(DOMAIN, "2.2.2.2");
+ override.addIPOverride(DOMAIN, "1.1.1.1");
+ override.addIPOverride(DOMAIN, "::1");
+ override.addIPOverride(DOMAIN, "fe80::6a99:9b2b:6ccc:6e1b");
+ let listener = new Listener();
+ Services.dns.asyncResolve(
+ DOMAIN,
+ Ci.nsIDNSService.RESOLVE_TYPE_DEFAULT,
+ Ci.nsIDNSService.RESOLVE_DISABLE_IPV4,
+ null,
+ listener,
+ mainThread,
+ defaultOriginAttributes
+ );
+ Assert.deepEqual(await listener.addresses(), [
+ "::1",
+ "fe80::6a99:9b2b:6ccc:6e1b",
+ ]);
+
+ listener = new Listener();
+ Services.dns.asyncResolve(
+ DOMAIN,
+ Ci.nsIDNSService.RESOLVE_TYPE_DEFAULT,
+ Ci.nsIDNSService.RESOLVE_DISABLE_IPV6,
+ null,
+ listener,
+ mainThread,
+ defaultOriginAttributes
+ );
+ Assert.deepEqual(await listener.addresses(), ["2.2.2.2", "1.1.1.1"]);
+
+ Services.dns.clearCache(false);
+ override.clearOverrides();
+});
+
+add_task(async function test_cname_flag() {
+ override.addIPOverride(DOMAIN, "2.2.2.2");
+ let listener = new Listener();
+ Services.dns.asyncResolve(
+ DOMAIN,
+ Ci.nsIDNSService.RESOLVE_TYPE_DEFAULT,
+ 0,
+ null,
+ listener,
+ mainThread,
+ defaultOriginAttributes
+ );
+ let [, inRecord] = await listener;
+ inRecord.QueryInterface(Ci.nsIDNSAddrRecord);
+ Assert.throws(
+ () => inRecord.canonicalName,
+ /NS_ERROR_NOT_AVAILABLE/,
+ "No canonical name flag"
+ );
+ Assert.equal(inRecord.getNextAddrAsString(), "2.2.2.2");
+
+ listener = new Listener();
+ Services.dns.asyncResolve(
+ DOMAIN,
+ Ci.nsIDNSService.RESOLVE_TYPE_DEFAULT,
+ Ci.nsIDNSService.RESOLVE_CANONICAL_NAME,
+ null,
+ listener,
+ mainThread,
+ defaultOriginAttributes
+ );
+ [, inRecord] = await listener;
+ inRecord.QueryInterface(Ci.nsIDNSAddrRecord);
+ Assert.equal(inRecord.canonicalName, DOMAIN, "No canonical name specified");
+ Assert.equal(inRecord.getNextAddrAsString(), "2.2.2.2");
+
+ Services.dns.clearCache(false);
+ override.clearOverrides();
+
+ override.addIPOverride(DOMAIN, "2.2.2.2");
+ override.setCnameOverride(DOMAIN, OTHER);
+ listener = new Listener();
+ Services.dns.asyncResolve(
+ DOMAIN,
+ Ci.nsIDNSService.RESOLVE_TYPE_DEFAULT,
+ Ci.nsIDNSService.RESOLVE_CANONICAL_NAME,
+ null,
+ listener,
+ mainThread,
+ defaultOriginAttributes
+ );
+ [, inRecord] = await listener;
+ inRecord.QueryInterface(Ci.nsIDNSAddrRecord);
+ Assert.equal(inRecord.canonicalName, OTHER, "Must have correct CNAME");
+ Assert.equal(inRecord.getNextAddrAsString(), "2.2.2.2");
+
+ Services.dns.clearCache(false);
+ override.clearOverrides();
+});
+
+add_task(async function test_nxdomain() {
+ override.addIPOverride(DOMAIN, "N/A");
+ let listener = new Listener();
+ Services.dns.asyncResolve(
+ DOMAIN,
+ Ci.nsIDNSService.RESOLVE_TYPE_DEFAULT,
+ Ci.nsIDNSService.RESOLVE_CANONICAL_NAME,
+ null,
+ listener,
+ mainThread,
+ defaultOriginAttributes
+ );
+
+ let [, , inStatus] = await listener;
+ equal(inStatus, Cr.NS_ERROR_UNKNOWN_HOST);
+});
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