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// Copyright (C) 2019 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.gerrit.server.account;
import static com.google.common.collect.ImmutableSet.toImmutableSet;
import static com.google.common.collect.Iterables.getOnlyElement;
import static com.google.common.truth.Truth.assertThat;
import static com.google.gerrit.testing.GerritJUnit.assertThrows;
import static java.util.stream.Collectors.joining;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
import com.google.gerrit.entities.Account;
import com.google.gerrit.server.AnonymousUser;
import com.google.gerrit.server.CurrentUser;
import com.google.gerrit.server.account.AccountResolver.Result;
import com.google.gerrit.server.account.AccountResolver.Searcher;
import com.google.gerrit.server.account.AccountResolver.StringSearcher;
import com.google.gerrit.server.account.AccountResolver.UnresolvableAccountException;
import com.google.gerrit.server.util.time.TimeUtil;
import java.util.Arrays;
import java.util.function.Predicate;
import java.util.function.Supplier;
import java.util.stream.Stream;
import org.junit.Test;
public class AccountResolverTest {
private final CurrentUser user = new AnonymousUser();
private static class TestSearcher extends StringSearcher {
private final String pattern;
private final boolean shortCircuit;
private final ImmutableList<AccountState> accounts;
private boolean filterInactive;
private TestSearcher(String pattern, boolean shortCircuit, AccountState... accounts) {
this.pattern = pattern;
this.shortCircuit = shortCircuit;
this.accounts = ImmutableList.copyOf(accounts);
}
@Override
protected boolean matches(String input) {
return input.matches(pattern);
}
@Override
public Stream<AccountState> search(String input) {
return accounts.stream();
}
@Override
public boolean shortCircuitIfNoResults() {
return shortCircuit;
}
@Override
public boolean callerShouldFilterOutInactiveCandidates() {
return filterInactive;
}
void setCallerShouldFilterOutInactiveCandidates() {
this.filterInactive = true;
}
@Override
public String toString() {
return accounts.stream()
.map(a -> a.account().id().toString())
.collect(joining(",", pattern + "(", ")"));
}
}
@Test
public void noShortCircuit() throws Exception {
ImmutableList<Searcher<?>> searchers =
ImmutableList.of(
new TestSearcher("foo", false, newAccount(1)),
new TestSearcher("bar", false, newAccount(2), newAccount(3)));
Result result = search("foo", searchers, AccountResolverTest::allVisiblePredicate);
assertThat(result.input()).isEqualTo("foo");
assertThat(result.asIdSet()).containsExactlyElementsIn(ids(1));
result = search("bar", searchers, AccountResolverTest::allVisiblePredicate);
assertThat(result.input()).isEqualTo("bar");
assertThat(result.asIdSet()).containsExactlyElementsIn(ids(2, 3));
result = search("baz", searchers, AccountResolverTest::allVisiblePredicate);
assertThat(result.input()).isEqualTo("baz");
assertThat(result.asIdSet()).isEmpty();
}
@Test
public void shortCircuit() throws Exception {
ImmutableList<Searcher<?>> searchers =
ImmutableList.of(
new TestSearcher("f.*", true), new TestSearcher("foo|bar", false, newAccount(1)));
Result result = search("foo", searchers, AccountResolverTest::allVisiblePredicate);
assertThat(result.input()).isEqualTo("foo");
assertThat(result.asIdSet()).isEmpty();
result = search("bar", searchers, AccountResolverTest::allVisiblePredicate);
assertThat(result.input()).isEqualTo("bar");
assertThat(result.asIdSet()).containsExactlyElementsIn(ids(1));
}
@Test
public void filterInvisible() throws Exception {
ImmutableList<Searcher<?>> searchers =
ImmutableList.of(new TestSearcher("foo", false, newAccount(1), newAccount(2)));
assertThat(search("foo", searchers, AccountResolverTest::allVisiblePredicate).asIdSet())
.containsExactlyElementsIn(ids(1, 2));
assertThat(search("foo", searchers, only(2)).asIdSet()).containsExactlyElementsIn(ids(2));
}
@Test
public void dontFilterInactive() throws Exception {
ImmutableList<Searcher<?>> searchers =
ImmutableList.of(
new TestSearcher("foo", false, newInactiveAccount(1)),
new TestSearcher("f.*", false, newInactiveAccount(2)));
Result result = search("foo", searchers, AccountResolverTest::allVisiblePredicate);
// Searchers always short-circuit when finding a non-empty result list, and this one didn't
// filter out inactive results, so the second searcher never ran.
assertThat(result.asIdSet()).containsExactlyElementsIn(ids(1));
assertThat(getOnlyElement(result.asList()).account().isActive()).isFalse();
assertThat(filteredInactiveIds(result)).isEmpty();
}
@Test
public void shouldUseCustomAccountActivityPredicate() throws Exception {
TestSearcher searcher1 = new TestSearcher("foo", false, newInactiveAccount(1));
searcher1.setCallerShouldFilterOutInactiveCandidates();
TestSearcher searcher2 = new TestSearcher("f.*", false, newInactiveAccount(2));
searcher2.setCallerShouldFilterOutInactiveCandidates();
ImmutableList<Searcher<?>> searchers = ImmutableList.of(searcher1, searcher2);
Result result = search("foo", searchers, AccountResolverTest::allVisiblePredicate, (a) -> true);
// Searchers always short-circuit when finding a non-empty result list,
// and this one didn't filter out inactive results,
// so the second searcher never ran.
assertThat(result.asIdSet()).containsExactlyElementsIn(ids(1));
assertThat(getOnlyElement(result.asList()).account().isActive()).isFalse();
assertThat(filteredInactiveIds(result)).isEmpty();
}
@Test
public void filterInactiveEventuallyFindingResults() throws Exception {
TestSearcher searcher1 = new TestSearcher("foo", false, newInactiveAccount(1));
searcher1.setCallerShouldFilterOutInactiveCandidates();
TestSearcher searcher2 = new TestSearcher("f.*", false, newAccount(2));
searcher2.setCallerShouldFilterOutInactiveCandidates();
ImmutableList<Searcher<?>> searchers = ImmutableList.of(searcher1, searcher2);
Result result = search("foo", searchers, AccountResolverTest::allVisiblePredicate);
assertThat(search("foo", searchers, AccountResolverTest::allVisiblePredicate).asIdSet())
.containsExactlyElementsIn(ids(2));
// No info about inactive results exposed if there was at least one active result.
assertThat(filteredInactiveIds(result)).isEmpty();
}
@Test
public void filterInactiveEventuallyFindingNoResults() throws Exception {
TestSearcher searcher1 = new TestSearcher("foo", false, newInactiveAccount(1));
searcher1.setCallerShouldFilterOutInactiveCandidates();
TestSearcher searcher2 = new TestSearcher("f.*", false, newInactiveAccount(2));
searcher2.setCallerShouldFilterOutInactiveCandidates();
ImmutableList<Searcher<?>> searchers = ImmutableList.of(searcher1, searcher2);
Result result = search("foo", searchers, AccountResolverTest::allVisiblePredicate);
assertThat(result.asIdSet()).isEmpty();
assertThat(filteredInactiveIds(result)).containsExactlyElementsIn(ids(1, 2));
}
@Test
public void dontShortCircuitAfterFilteringInactiveCandidatesResultsInEmptyList()
throws Exception {
AccountState account1 = newAccount(1);
AccountState account2 = newInactiveAccount(2);
TestSearcher searcher1 = new TestSearcher("foo", false, account2);
searcher1.setCallerShouldFilterOutInactiveCandidates();
TestSearcher searcher2 = new TestSearcher("foo", false, account1, account2);
ImmutableList<Searcher<?>> searchers = ImmutableList.of(searcher1, searcher2);
// searcher1 matched, but filtered out all candidates because account2 is inactive. Actual
// result came from searcher2 instead.
Result result = search("foo", searchers, AccountResolverTest::allVisiblePredicate);
assertThat(result.asIdSet()).containsExactlyElementsIn(ids(1, 2));
}
@Test
public void shortCircuitAfterFilteringInactiveCandidatesResultsInEmptyList() throws Exception {
AccountState account1 = newAccount(1);
AccountState account2 = newInactiveAccount(2);
TestSearcher searcher1 = new TestSearcher("foo", true, account2);
searcher1.setCallerShouldFilterOutInactiveCandidates();
TestSearcher searcher2 = new TestSearcher("foo", false, account1, account2);
ImmutableList<Searcher<?>> searchers = ImmutableList.of(searcher1, searcher2);
// searcher1 matched and then filtered out all candidates because account2 is inactive, but
// still short-circuited.
Result result = search("foo", searchers, AccountResolverTest::allVisiblePredicate);
assertThat(result.asIdSet()).isEmpty();
assertThat(filteredInactiveIds(result)).containsExactlyElementsIn(ids(2));
}
@Test
public void asUniqueWithNoResults() throws Exception {
String input = "foo";
ImmutableList<Searcher<?>> searchers = ImmutableList.of();
UnresolvableAccountException thrown =
assertThrows(
UnresolvableAccountException.class,
() -> search(input, searchers, AccountResolverTest::allVisiblePredicate).asUnique());
assertThat(thrown).hasMessageThat().isEqualTo("Account 'foo' not found");
}
@Test
public void asUniqueWithOneResult() throws Exception {
AccountState account = newAccount(1);
ImmutableList<Searcher<?>> searchers =
ImmutableList.of(new TestSearcher("foo", false, account));
assertThat(
search("foo", searchers, AccountResolverTest::allVisiblePredicate)
.asUnique()
.account()
.id())
.isEqualTo(account.account().id());
}
@Test
public void asUniqueWithMultipleResults() throws Exception {
ImmutableList<Searcher<?>> searchers =
ImmutableList.of(new TestSearcher("foo", false, newAccount(1), newAccount(2)));
UnresolvableAccountException thrown =
assertThrows(
UnresolvableAccountException.class,
() -> search("foo", searchers, AccountResolverTest::allVisiblePredicate).asUnique());
assertThat(thrown)
.hasMessageThat()
.isEqualTo(
"Account 'foo' is ambiguous (at most 3 shown):\n1: Anonymous Name (1)\n2: Anonymous Name (2)");
}
@Test
public void exceptionMessageNotFound() throws Exception {
AccountResolver resolver = newAccountResolver();
assertThat(
new UnresolvableAccountException(
resolver.new Result("foo", ImmutableList.of(), ImmutableList.of(), user)))
.hasMessageThat()
.isEqualTo("Account 'foo' not found");
}
@Test
public void exceptionMessageSelf() throws Exception {
AccountResolver resolver = newAccountResolver();
UnresolvableAccountException e =
new UnresolvableAccountException(
resolver.new Result("self", ImmutableList.of(), ImmutableList.of(), user));
assertThat(e.isSelf()).isTrue();
assertThat(e).hasMessageThat().isEqualTo("Resolving account 'self' requires login");
}
@Test
public void exceptionMessageMe() throws Exception {
AccountResolver resolver = newAccountResolver();
UnresolvableAccountException e =
new UnresolvableAccountException(
resolver.new Result("me", ImmutableList.of(), ImmutableList.of(), user));
assertThat(e.isSelf()).isTrue();
assertThat(e).hasMessageThat().isEqualTo("Resolving account 'me' requires login");
}
@Test
public void exceptionMessageAmbiguous() throws Exception {
AccountResolver resolver = newAccountResolver();
assertThat(
new UnresolvableAccountException(
resolver
.new Result(
"foo",
ImmutableList.of(newAccount(3), newAccount(1)),
ImmutableList.of(),
user)))
.hasMessageThat()
.isEqualTo(
"Account 'foo' is ambiguous (at most 3 shown):\n1: Anonymous Name (1)\n3: Anonymous Name (3)");
}
@Test
public void exceptionMessageOnlyInactive() throws Exception {
AccountResolver resolver = newAccountResolver();
assertThat(
new UnresolvableAccountException(
resolver
.new Result(
"foo",
ImmutableList.of(),
ImmutableList.of(newInactiveAccount(3), newInactiveAccount(1)),
user)))
.hasMessageThat()
.isEqualTo(
"Account 'foo' only matches inactive accounts. To use an inactive account, retry"
+ " with one of the following exact account IDs:\n"
+ "1: Anonymous Name (1)\n"
+ "3: Anonymous Name (3)");
}
private Result search(
String input,
ImmutableList<Searcher<?>> searchers,
Supplier<Predicate<AccountState>> visibilitySupplier)
throws Exception {
return search(input, searchers, visibilitySupplier, AccountResolverTest::isActive);
}
private Result search(
String input,
ImmutableList<Searcher<?>> searchers,
Supplier<Predicate<AccountState>> visibilitySupplier,
Predicate<AccountState> activityPredicate)
throws Exception {
return newAccountResolver()
.searchImpl(input, searchers, user, visibilitySupplier, activityPredicate);
}
private AccountResolver newAccountResolver() {
return new AccountResolver(null, null, null, null, null, null, null, null, "Anonymous Name");
}
private AccountState newAccount(int id) {
return AccountState.forAccount(
Account.builder(Account.id(id), TimeUtil.now())
.setMetaId("1234567812345678123456781234567812345678")
.build());
}
private AccountState newInactiveAccount(int id) {
Account.Builder a = Account.builder(Account.id(id), TimeUtil.now());
a.setActive(false);
return AccountState.forAccount(a.build());
}
private static ImmutableSet<Account.Id> ids(int... ids) {
return Arrays.stream(ids).mapToObj(Account::id).collect(toImmutableSet());
}
private static Predicate<AccountState> allVisiblePredicate() {
return AccountResolverTest::allVisible;
}
/** @param accountState account state for which the visibility should be checked */
private static boolean allVisible(AccountState accountState) {
return true;
}
private static boolean isActive(AccountState accountState) {
return accountState.account().isActive();
}
private static Supplier<Predicate<AccountState>> only(int... ids) {
ImmutableSet<Account.Id> idSet =
Arrays.stream(ids).mapToObj(Account::id).collect(toImmutableSet());
return () -> a -> idSet.contains(a.account().id());
}
private static ImmutableSet<Account.Id> filteredInactiveIds(Result result) {
return result.filteredInactive().stream().map(a -> a.account().id()).collect(toImmutableSet());
}
}