Count accounts with non-normalized phone numbers

service/src/test/java/org/whispersystems/textsecuregcm/storage/NonNormalizedAccountCrawlerListenerTest.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2013-2021 Signal Messenger, LLC
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+package org.whispersystems.textsecuregcm.storage;
+
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
+
+import java.util.UUID;
+import java.util.stream.Stream;
+
+import static org.junit.jupiter.api.Assertions.*;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+class NonNormalizedAccountCrawlerListenerTest {
+
+  @ParameterizedTest
+  @MethodSource
+  void hasNumberNormalized(final String number, final boolean expectNormalized) {
+    final Account account = mock(Account.class);
+    when(account.getUuid()).thenReturn(UUID.randomUUID());
+    when(account.getNumber()).thenReturn(number);
+
+    assertEquals(expectNormalized, NonNormalizedAccountCrawlerListener.hasNumberNormalized(account));
+  }
+
+  private static Stream<Arguments> hasNumberNormalized() {
+    return Stream.of(
+        Arguments.of("+447700900111", true),
+        Arguments.of("+4407700900111", false),
+        Arguments.of("Not a real phone number", false),
+        Arguments.of(null, false)
+    );
+  }
+}