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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.messagebus.routing;
import com.yahoo.messagebus.ConfigAgent;
import com.yahoo.messagebus.ConfigHandler;
import org.junit.jupiter.api.Test;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import static org.junit.jupiter.api.Assertions.*;
/**
* @author Simon Thoresen Hult
*/
public class RoutingSpecTestCase {
@Test
void testConfig() {
assertConfig(new RoutingSpec());
assertConfig(new RoutingSpec().addTable(new RoutingTableSpec("mytable1")));
assertConfig(new RoutingSpec().addTable(new RoutingTableSpec("mytable1")
.addHop(new HopSpec("myhop1", "myselector1"))));
assertConfig(new RoutingSpec().addTable(new RoutingTableSpec("mytable1")
.addHop(new HopSpec("myhop1", "myselector1"))
.addRoute(new RouteSpec("myroute1").addHop("myhop1"))));
assertConfig(new RoutingSpec().addTable(new RoutingTableSpec("mytable1")
.addHop(new HopSpec("myhop1", "myselector1"))
.addHop(new HopSpec("myhop2", "myselector2"))
.addRoute(new RouteSpec("myroute1").addHop("myhop1"))
.addRoute(new RouteSpec("myroute2").addHop("myhop2"))
.addRoute(new RouteSpec("myroute12").addHop("myhop1").addHop("myhop2"))));
assertConfig(new RoutingSpec().addTable(new RoutingTableSpec("mytable1")
.addHop(new HopSpec("myhop1", "myselector1"))
.addHop(new HopSpec("myhop2", "myselector2"))
.addRoute(new RouteSpec("myroute1").addHop("myhop1"))
.addRoute(new RouteSpec("myroute2").addHop("myhop2"))
.addRoute(new RouteSpec("myroute12").addHop("myhop1").addHop("myhop2")))
.addTable(new RoutingTableSpec("mytable2")));
assertEquals("routingtable[2]\n" +
"routingtable[0].protocol \"mytable1\"\n" +
"routingtable[1].protocol \"mytable2\"\n" +
"routingtable[1].hop[3]\n" +
"routingtable[1].hop[0].name \"myhop1\"\n" +
"routingtable[1].hop[0].selector \"myselector1\"\n" +
"routingtable[1].hop[1].name \"myhop2\"\n" +
"routingtable[1].hop[1].selector \"myselector2\"\n" +
"routingtable[1].hop[1].ignoreresult true\n" +
"routingtable[1].hop[2].name \"myhop1\"\n" +
"routingtable[1].hop[2].selector \"myselector3\"\n" +
"routingtable[1].hop[2].recipient[2]\n" +
"routingtable[1].hop[2].recipient[0] \"myrecipient1\"\n" +
"routingtable[1].hop[2].recipient[1] \"myrecipient2\"\n" +
"routingtable[1].route[1]\n" +
"routingtable[1].route[0].name \"myroute1\"\n" +
"routingtable[1].route[0].hop[1]\n" +
"routingtable[1].route[0].hop[0] \"myhop1\"\n",
new RoutingSpec()
.addTable(new RoutingTableSpec("mytable1"))
.addTable(new RoutingTableSpec("mytable2")
.addHop(new HopSpec("myhop1", "myselector1"))
.addHop(new HopSpec("myhop2", "myselector2").setIgnoreResult(true))
.addHop(new HopSpec("myhop1", "myselector3")
.addRecipient("myrecipient1")
.addRecipient("myrecipient2"))
.addRoute(new RouteSpec("myroute1").addHop("myhop1"))).toString());
}
@Test
void testApplicationSpec() {
assertApplicationSpec(List.of("foo"),
Arrays.asList("foo",
"*"));
assertApplicationSpec(List.of("foo/bar"),
Arrays.asList("foo/bar",
"foo/*",
"*/bar",
"*/*"));
assertApplicationSpec(Arrays.asList("foo/0/baz",
"foo/1/baz",
"foo/2/baz"),
Arrays.asList("foo/0/baz",
"foo/1/baz",
"foo/2/baz",
"foo/0/*",
"foo/1/*",
"foo/2/*",
"foo/*/baz",
"*/0/baz",
"*/1/baz",
"*/2/baz",
"foo/*/*",
"*/0/*",
"*/1/*",
"*/2/*",
"*/*/baz",
"*/*/*"));
}
@Test
void testVeriyfOk() {
assertVerifyOk(new RoutingSpec().addTable(new RoutingTableSpec("mytable")
.addHop(new HopSpec("hop1", "myservice1"))),
new ApplicationSpec().addService("mytable", "myservice1"));
assertVerifyOk(new RoutingSpec().addTable(new RoutingTableSpec("mytable")
.addRoute(new RouteSpec("route1").addHop("myservice1"))),
new ApplicationSpec().addService("mytable", "myservice1"));
assertVerifyOk(new RoutingSpec().addTable(new RoutingTableSpec("mytable")
.addHop(new HopSpec("hop1", "myservice1"))
.addRoute(new RouteSpec("route1").addHop("hop1"))),
new ApplicationSpec().addService("mytable", "myservice1"));
assertVerifyOk(new RoutingSpec().addTable(new RoutingTableSpec("mytable")
.addHop(new HopSpec("hop1", "route:route2"))
.addHop(new HopSpec("hop2", "myservice1"))
.addRoute(new RouteSpec("route1").addHop("hop1"))
.addRoute(new RouteSpec("route2").addHop("hop2"))),
new ApplicationSpec().addService("mytable", "myservice1"));
assertVerifyOk(new RoutingSpec().addTable(new RoutingTableSpec("mytable")
.addHop(new HopSpec("myhop1", "foo/[bar]/baz").addRecipient("foo/0/baz").addRecipient("foo/1/baz"))),
new ApplicationSpec()
.addService("mytable", "foo/0/baz")
.addService("mytable", "foo/1/baz"));
}
@Test
void testVerifyToggle() {
assertVerifyOk(new RoutingSpec(false)
.addTable(new RoutingTableSpec("mytable"))
.addTable(new RoutingTableSpec("mytable")),
new ApplicationSpec());
assertVerifyOk(new RoutingSpec().addTable(new RoutingTableSpec("mytable", false)
.addHop(new HopSpec("foo", "bar"))
.addHop(new HopSpec("foo", "baz"))),
new ApplicationSpec());
assertVerifyOk(new RoutingSpec().addTable(new RoutingTableSpec("mytable")
.addHop(new HopSpec("foo", "", false))),
new ApplicationSpec());
assertVerifyOk(new RoutingSpec().addTable(new RoutingTableSpec("mytable")
.addRoute(new RouteSpec("foo", false))),
new ApplicationSpec());
}
@Test
void testVerifyFail() {
// Duplicate table.
assertVerifyFail(new RoutingSpec()
.addTable(new RoutingTableSpec("mytable"))
.addTable(new RoutingTableSpec("mytable")),
new ApplicationSpec(),
List.of("Routing table 'mytable' is defined 2 times."));
// Duplicate hop.
assertVerifyFail(new RoutingSpec().addTable(new RoutingTableSpec("mytable")
.addHop(new HopSpec("foo", "bar"))
.addHop(new HopSpec("foo", "baz"))),
new ApplicationSpec()
.addService("mytable", "bar")
.addService("mytable", "baz"),
List.of("Hop 'foo' in routing table 'mytable' is defined 2 times."));
// Duplicate route.
assertVerifyFail(new RoutingSpec().addTable(new RoutingTableSpec("mytable")
.addRoute(new RouteSpec("foo").addHop("bar"))
.addRoute(new RouteSpec("foo").addHop("baz"))),
new ApplicationSpec()
.addService("mytable", "bar")
.addService("mytable", "baz"),
List.of("Route 'foo' in routing table 'mytable' is defined 2 times."));
// Empty hop.
assertVerifyFail(new RoutingSpec().addTable(new RoutingTableSpec("mytable")
.addHop(new HopSpec("foo", ""))),
new ApplicationSpec(),
List.of("For hop 'foo' in routing table 'mytable'; Failed to parse empty string."));
// Empty route.
assertVerifyFail(new RoutingSpec().addTable(new RoutingTableSpec("mytable")
.addRoute(new RouteSpec("foo"))),
new ApplicationSpec(),
List.of("Route 'foo' in routing table 'mytable' has no hops."));
// Hop error.
assertVerifyFail(new RoutingSpec().addTable(new RoutingTableSpec("mytable")
.addHop(new HopSpec("foo", "bar/baz cox"))),
new ApplicationSpec(),
List.of("For hop 'foo' in routing table 'mytable'; Failed to completely parse 'bar/baz cox'."));
// Hop error in recipient.
assertVerifyFail(new RoutingSpec().addTable(new RoutingTableSpec("mytable")
.addHop(new HopSpec("foo", "[bar]").addRecipient("bar/baz cox"))),
new ApplicationSpec(),
List.of("For recipient 'bar/baz cox' in hop 'foo' in routing table 'mytable'; Failed to completely parse 'bar/baz cox'."));
// Hop error in route.
assertVerifyFail(new RoutingSpec().addTable(new RoutingTableSpec("mytable")
.addRoute(new RouteSpec("foo").addHop("bar/baz cox"))),
new ApplicationSpec(),
List.of("For hop 1 in route 'foo' in routing table 'mytable'; Failed to completely parse 'bar/baz cox'."));
// Hop not found.
assertVerifyFail(new RoutingSpec().addTable(new RoutingTableSpec("mytable")
.addRoute(new RouteSpec("foo").addHop("bar"))),
new ApplicationSpec(),
List.of("Hop 1 in route 'foo' in routing table 'mytable' references 'bar' which is neither a service, a route nor another hop."));
// Mismatched recipient.
assertVerifyFail(new RoutingSpec().addTable(new RoutingTableSpec("mytable")
.addHop(new HopSpec("foo", "bar/[baz]/cox").addRecipient("cox/0/bar"))),
new ApplicationSpec(),
List.of("Selector 'bar/[baz]/cox' does not match recipient 'cox/0/bar' in hop 'foo' in routing table 'mytable'."));
// Route not found.
assertVerifyFail(new RoutingSpec().addTable(new RoutingTableSpec("mytable")
.addHop(new HopSpec("foo", "route:bar"))),
new ApplicationSpec(),
List.of("Hop 'foo' in routing table 'mytable' references route 'bar' which does not exist."));
// Route not found in route.
assertVerifyFail(new RoutingSpec().addTable(new RoutingTableSpec("mytable")
.addRoute(new RouteSpec("foo").addHop("route:bar"))),
new ApplicationSpec(),
List.of("Hop 1 in route 'foo' in routing table 'mytable' references route 'bar' which does not exist."));
// Service not found.
assertVerifyFail(new RoutingSpec().addTable(new RoutingTableSpec("mytable")
.addHop(new HopSpec("foo", "bar/baz"))),
new ApplicationSpec(),
List.of("Hop 'foo' in routing table 'mytable' references 'bar/baz' which is neither a service, a route nor another hop."));
// Unexpected recipient.
assertVerifyFail(new RoutingSpec().addTable(new RoutingTableSpec("mytable")
.addHop(new HopSpec("foo", "bar").addRecipient("baz"))),
new ApplicationSpec()
.addService("mytable", "bar")
.addService("mytable", "baz"),
List.of("Hop 'foo' in routing table 'mytable' has recipients but no policy directive."));
// Multiple errors.
assertVerifyFail(new RoutingSpec()
.addTable(new RoutingTableSpec("mytable"))
.addTable(new RoutingTableSpec("mytable")
.addHop(new HopSpec("hop1", "bar"))
.addHop(new HopSpec("hop1", "baz"))
.addHop(new HopSpec("hop2", ""))
.addHop(new HopSpec("hop3", "bar/baz cox"))
.addHop(new HopSpec("hop4", "[bar]").addRecipient("bar/baz cox"))
.addHop(new HopSpec("hop5", "bar/[baz]/cox").addRecipient("cox/0/bar"))
.addHop(new HopSpec("hop6", "route:route69"))
.addHop(new HopSpec("hop7", "bar/baz"))
.addHop(new HopSpec("hop8", "bar").addRecipient("baz"))
.addRoute(new RouteSpec("route1").addHop("bar"))
.addRoute(new RouteSpec("route1").addHop("baz"))
.addRoute(new RouteSpec("route2").addHop(""))
.addRoute(new RouteSpec("route3").addHop("bar/baz cox"))
.addRoute(new RouteSpec("route4").addHop("hop69"))
.addRoute(new RouteSpec("route5").addHop("route:route69"))),
new ApplicationSpec()
.addService("mytable", "bar")
.addService("mytable", "baz"),
Arrays.asList("Routing table 'mytable' is defined 2 times.",
"For hop 'hop2' in routing table 'mytable'; Failed to parse empty string.",
"For hop 'hop3' in routing table 'mytable'; Failed to completely parse 'bar/baz cox'.",
"For hop 1 in route 'route2' in routing table 'mytable'; Failed to parse empty string.",
"For hop 1 in route 'route3' in routing table 'mytable'; Failed to completely parse 'bar/baz cox'.",
"For recipient 'bar/baz cox' in hop 'hop4' in routing table 'mytable'; Failed to completely parse 'bar/baz cox'.",
"Hop 'hop1' in routing table 'mytable' is defined 2 times.",
"Hop 'hop6' in routing table 'mytable' references route 'route69' which does not exist.",
"Hop 'hop7' in routing table 'mytable' references 'bar/baz' which is neither a service, a route nor another hop.",
"Hop 'hop8' in routing table 'mytable' has recipients but no policy directive.",
"Hop 1 in route 'route4' in routing table 'mytable' references 'hop69' which is neither a service, a route nor another hop.",
"Hop 1 in route 'route5' in routing table 'mytable' references route 'route69' which does not exist.",
"Route 'route1' in routing table 'mytable' is defined 2 times.",
"Selector 'bar/[baz]/cox' does not match recipient 'cox/0/bar' in hop 'hop5' in routing table 'mytable'."));
}
private static void assertVerifyOk(RoutingSpec routing, ApplicationSpec app) {
assertVerifyFail(routing, app, new ArrayList<String>());
}
private static void assertVerifyFail(RoutingSpec routing, ApplicationSpec app, List<String> expectedErrors) {
List<String> errors = new ArrayList<>();
routing.verify(app, errors);
Collections.sort(errors);
expectedErrors = new ArrayList<>(expectedErrors);
Collections.sort(expectedErrors);
assertEquals(expectedErrors.toString(), errors.toString());
}
private static void assertConfig(RoutingSpec routing) {
assertEquals(routing, routing);
assertEquals(routing, new RoutingSpec(routing));
ConfigStore store = new ConfigStore();
ConfigAgent subscriber = new ConfigAgent("raw:" + routing.toString(), store);
subscriber.subscribe();
assertEquals(store.routing, routing);
}
private static void assertApplicationSpec(List<String> services, List<String> patterns) {
ApplicationSpec app = new ApplicationSpec();
for (String pattern : patterns) {
assertFalse(app.isService("foo", pattern));
assertFalse(app.isService("bar", pattern));
}
for (String service : services) {
app.addService("foo", service);
}
for (String pattern : patterns) {
assertTrue(app.isService("foo", pattern));
assertFalse(app.isService("bar", pattern));
}
for (String service : services) {
app.addService("bar", service);
}
for (String pattern : patterns) {
assertTrue(app.isService("foo", pattern));
assertTrue(app.isService("bar", pattern));
}
}
private static class ConfigStore implements ConfigHandler {
RoutingSpec routing = null;
public void setupRouting(RoutingSpec routing) {
this.routing = routing;
}
}
}
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