Change premium list command to be based off of mutating command (#1123)

* Change premium list command to be based off of mutating command

* Modify test cases and add comments for better readability

* Fix typo

core/src/main/java/google/registry/tools/CreateOrUpdatePremiumListCommand.java

@@ -14,39 +14,28 @@
 
 package google.registry.tools;
 
-import static com.google.common.base.Strings.isNullOrEmpty;
-import static google.registry.security.JsonHttp.JSON_SAFETY_PREFIX;
-import static google.registry.tools.server.CreateOrUpdatePremiumListAction.INPUT_PARAM;
-import static google.registry.tools.server.CreateOrUpdatePremiumListAction.NAME_PARAM;
-import static google.registry.util.ListNamingUtils.convertFilePathToName;
-import static java.nio.charset.StandardCharsets.UTF_8;
-
 import com.beust.jcommander.Parameter;
-import com.google.common.base.Joiner;
+import com.google.common.flogger.FluentLogger;
-import com.google.common.base.Verify;
+import google.registry.schema.tld.PremiumListSqlDao;
-import com.google.common.collect.ImmutableMap;
-import com.google.common.net.MediaType;
-import google.registry.model.registry.label.PremiumList;
 import google.registry.tools.params.PathParameter;
-import java.net.URLEncoder;
-import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.List;
-import java.util.Map;
 import javax.annotation.Nullable;
-import org.json.simple.JSONValue;
 
 /**
  * Base class for specification of command line parameters common to creating and updating premium
  * lists.
  */
-abstract class CreateOrUpdatePremiumListCommand extends ConfirmingCommand
+abstract class CreateOrUpdatePremiumListCommand extends MutatingCommand {
-    implements CommandWithConnection, CommandWithRemoteApi {
+
+  private static final FluentLogger logger = FluentLogger.forEnclosingClass();
+  protected List<String> inputData;
 
   @Nullable
   @Parameter(
       names = {"-n", "--name"},
-      description = "The name of this premium list (defaults to filename if not specified). "
+      description =
+          "The name of this premium list (defaults to filename if not specified). "
               + "This is almost always the name of the TLD this premium list will be used on.")
   String name;
 
@@ -57,78 +46,17 @@ abstract class CreateOrUpdatePremiumListCommand extends ConfirmingCommand
       required = true)
   Path inputFile;
 
-  protected AppEngineConnection connection;
-  protected int inputLineCount;
-
-  @Override
-  public void setConnection(AppEngineConnection connection) {
-    this.connection = connection;
-  }
-
-  abstract String getCommandPath();
-
-  ImmutableMap<String, String> getParameterMap() {
-    return ImmutableMap.of();
-  }
-
-  @Override
-  protected void init() throws Exception {
-    name = isNullOrEmpty(name) ? convertFilePathToName(inputFile) : name;
-    List<String> lines = Files.readAllLines(inputFile, UTF_8);
-    // Try constructing and parsing the premium list locally to check up front for validation errors
-    new PremiumList.Builder().setName(name).build().parse(lines);
-    inputLineCount = lines.size();
-  }
-
-  @Override
-  protected String prompt() {
-    return String.format(
-        "You are about to save the premium list %s with %d items: ", name, inputLineCount);
-  }
-
   @Override
   public String execute() throws Exception {
-    ImmutableMap.Builder<String, String> params = new ImmutableMap.Builder<>();
+    String message = String.format("Saved premium list %s with %d entries", name, inputData.size());
-    params.put(NAME_PARAM, name);
+    try {
-    String inputFileContents = new String(Files.readAllBytes(inputFile), UTF_8);
+      logger.atInfo().log("Saving premium list for TLD %s", name);
-    String requestBody =
+      PremiumListSqlDao.save(name, inputData);
-        Joiner.on('&').withKeyValueSeparator("=").join(
+      logger.atInfo().log(message);
-            ImmutableMap.of(INPUT_PARAM, URLEncoder.encode(inputFileContents, UTF_8.toString())));
+    } catch (Throwable e) {
-
+      message = "Unexpected error saving premium list from nomulus tool command";
-    ImmutableMap<String, String> extraParams = getParameterMap();
+      logger.atSevere().withCause(e).log(message);
-    if (extraParams != null) {
-      params.putAll(extraParams);
     }
-
+    return message;
-    // Call the server and get the response data
-    String response =
-        connection.sendPostRequest(
-            getCommandPath(), params.build(), MediaType.FORM_DATA, requestBody.getBytes(UTF_8));
-
-    return extractServerResponse(response);
-  }
-
-  // TODO(user): refactor this behavior into a better general-purpose
-  // response validation that can be re-used across the new client/server commands.
-  private String extractServerResponse(String response) {
-    Map<String, Object> responseMap = toMap(JSONValue.parse(stripJsonPrefix(response)));
-
-    // TODO(user): consider using jart's FormField Framework.
-    // See: j/c/g/d/r/ui/server/RegistrarFormFields.java
-    String status = (String) responseMap.get("status");
-    Verify.verify(!status.equals("error"), "Server error: %s", responseMap.get("error"));
-    return String.format("Successfully saved premium list %s\n", name);
-  }
-
-  @SuppressWarnings("unchecked")
-  static Map<String, Object> toMap(Object obj) {
-    Verify.verify(obj instanceof Map<?, ?>, "JSON object is not a Map: %s", obj);
-    return (Map<String, Object>) obj;
-  }
-
-  // TODO(user): figure out better place to put this method to make it re-usable
-  private static String stripJsonPrefix(String json) {
-    Verify.verify(json.startsWith(JSON_SAFETY_PREFIX));
-    return json.substring(JSON_SAFETY_PREFIX.length());
   }
 }

core/src/main/java/google/registry/tools/CreatePremiumListCommand.java

@@ -14,14 +14,23 @@
 
 package google.registry.tools;
 
+import static com.google.common.base.Preconditions.checkArgument;
+import static google.registry.model.registry.Registries.assertTldExists;
+import static google.registry.util.ListNamingUtils.convertFilePathToName;
+import static java.nio.charset.StandardCharsets.UTF_8;
+
 import com.beust.jcommander.Parameter;
 import com.beust.jcommander.Parameters;
-import com.google.common.collect.ImmutableMap;
+import com.google.common.base.Strings;
+import com.googlecode.objectify.Key;
 import google.registry.model.registry.label.PremiumList;
-import google.registry.tools.server.CreatePremiumListAction;
+import google.registry.persistence.VKey;
+import google.registry.schema.tld.PremiumListSqlDao;
+import google.registry.schema.tld.PremiumListUtils;
+import java.nio.file.Files;
 
-/** Command to create a {@link PremiumList} on Datastore. */
+/** Command to create a {@link PremiumList} on Database. */
-@Parameters(separators = " =", commandDescription = "Create a PremiumList in Datastore.")
+@Parameters(separators = " =", commandDescription = "Create a PremiumList in Database.")
 public class CreatePremiumListCommand extends CreateOrUpdatePremiumListCommand {
 
   @Parameter(
@@ -29,18 +38,24 @@ public class CreatePremiumListCommand extends CreateOrUpdatePremiumListCommand {
       description = "Override restrictions on premium list naming")
   boolean override;
 
-  /** Returns the path to the servlet task. */
   @Override
-  public String getCommandPath() {
+  // Using CreatePremiumListAction.java as reference;
-    return CreatePremiumListAction.PATH;
+  protected void init() throws Exception {
-  }
+    name = Strings.isNullOrEmpty(name) ? convertFilePathToName(inputFile) : name;
-
+    checkArgument(
-  @Override
+        !PremiumListSqlDao.getLatestRevision(name).isPresent(),
-  ImmutableMap<String, String> getParameterMap() {
+        "A premium list already exists by this name");
-    if (override) {
+    if (!override) {
-      return ImmutableMap.of("override", "true");
+      // refer to CreatePremiumListAction.java
-    } else {
+      assertTldExists(
-      return ImmutableMap.of();
+          name,
+          "Premium names must match the name of the TLD they are intended to be used on"
+              + " (unless --override is specified), yet TLD %s does not exist");
     }
+    inputData = Files.readAllLines(inputFile, UTF_8);
+    // create a premium list with only input data and store as the first version of the entity
+    PremiumList newPremiumList = PremiumListUtils.parseToPremiumList(name, inputData);
+    stageEntityChange(
+        null, newPremiumList, VKey.createOfy(PremiumList.class, Key.create(newPremiumList)));
   }
 }

core/src/main/java/google/registry/tools/UpdatePremiumListCommand.java

@@ -14,18 +14,86 @@
 
 package google.registry.tools;
 
-import com.beust.jcommander.Parameters;
+import static com.google.common.base.Preconditions.checkArgument;
-import google.registry.model.registry.label.PremiumList;
+import static com.google.common.collect.ImmutableSet.toImmutableSet;
-import google.registry.tools.server.UpdatePremiumListAction;
+import static google.registry.persistence.transaction.TransactionManagerFactory.jpaTm;
+import static google.registry.util.ListNamingUtils.convertFilePathToName;
+import static java.nio.charset.StandardCharsets.UTF_8;
 
-/** Command to safely update {@link PremiumList} in Datastore for a given TLD. */
+import com.beust.jcommander.Parameters;
-@Parameters(separators = " =", commandDescription = "Update a PremiumList in Datastore.")
+import com.google.common.base.Strings;
+import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.Streams;
+import com.googlecode.objectify.Key;
+import google.registry.model.registry.label.PremiumList;
+import google.registry.model.registry.label.PremiumList.PremiumListEntry;
+import google.registry.persistence.VKey;
+import google.registry.schema.tld.PremiumEntry;
+import google.registry.schema.tld.PremiumListSqlDao;
+import google.registry.schema.tld.PremiumListUtils;
+import java.nio.file.Files;
+import java.util.List;
+import java.util.Optional;
+import org.joda.money.BigMoney;
+
+/** Command to safely update {@link PremiumList} in Database for a given TLD. */
+@Parameters(separators = " =", commandDescription = "Update a PremiumList in Database.")
 class UpdatePremiumListCommand extends CreateOrUpdatePremiumListCommand {
 
-  /** Returns the path to the servlet task. */
   @Override
-  public String getCommandPath() {
+  // Using UpdatePremiumListAction.java as reference;
-    return UpdatePremiumListAction.PATH;
+  protected void init() throws Exception {
+    name = Strings.isNullOrEmpty(name) ? convertFilePathToName(inputFile) : name;
+    List<String> existingEntry = getExistingPremiumListEntry(name).asList();
+    inputData = Files.readAllLines(inputFile, UTF_8);
+
+    // reconstructing existing premium list to bypass Hibernate lazy initialization exception
+    PremiumList existingPremiumList = PremiumListUtils.parseToPremiumList(name, existingEntry);
+    PremiumList updatedPremiumList = PremiumListUtils.parseToPremiumList(name, inputData);
+
+    // use LabelsToPrices() for comparison between old and new premium lists since they have
+    // different creation date, updated date even if they have same content;
+    if (!existingPremiumList.getLabelsToPrices().equals(updatedPremiumList.getLabelsToPrices())) {
+      stageEntityChange(
+          existingPremiumList,
+          updatedPremiumList,
+          VKey.createOfy(PremiumList.class, Key.create(existingPremiumList)));
+    }
+  }
+
+  /*
+    To get premium list content as a set of string. This is a workaround to avoid dealing with
+    Hibernate.LazyInitizationException error. It occurs when trying to access data of the
+    latest revision of an existing premium list.
+    "Cannot evaluate google.registry.model.registry.label.PremiumList.toString()'".
+    Ideally, the following should be the way to verify info in latest revision of a premium list:
+
+    PremiumList existingPremiumList =
+        PremiumListSqlDao.getLatestRevision(name)
+            .orElseThrow(
+                () ->
+                    new IllegalArgumentException(
+                        String.format(
+                            "Could not update premium list %s because it doesn't exist.", name)));
+    assertThat(persistedList.getLabelsToPrices()).containsEntry("foo", new BigDecimal("9000.00"));
+    assertThat(persistedList.size()).isEqualTo(1);
+  */
+  protected ImmutableSet<String> getExistingPremiumListEntry(String name) {
+    Optional<PremiumList> list = PremiumListSqlDao.getLatestRevision(name);
+    checkArgument(
+        list.isPresent(),
+        String.format("Could not update premium list %s because it doesn't exist.", name));
+    Iterable<PremiumEntry> sqlListEntries =
+        jpaTm().transact(() -> PremiumListSqlDao.loadPremiumListEntriesUncached(list.get()));
+    return Streams.stream(sqlListEntries)
+        .map(
+            premiumEntry ->
+                new PremiumListEntry.Builder()
+                    .setPrice(
+                        BigMoney.of(list.get().getCurrency(), premiumEntry.getPrice()).toMoney())
+                    .setLabel(premiumEntry.getDomainLabel())
+                    .build()
+                    .toString())
+        .collect(toImmutableSet());
   }
 }
-

core/src/test/java/google/registry/tools/CreateOrUpdatePremiumListCommandTestCase.java

@@ -14,47 +14,64 @@
 
 package google.registry.tools;
 
-import static com.google.common.truth.Truth.assertThat;
+import static google.registry.model.registry.Registry.TldState.GENERAL_AVAILABILITY;
+import static google.registry.persistence.transaction.TransactionManagerFactory.tm;
+import static google.registry.testing.DatabaseHelper.newRegistry;
+import static google.registry.testing.DatabaseHelper.persistPremiumList;
+import static google.registry.testing.DatabaseHelper.persistResource;
+import static google.registry.util.DateTimeUtils.START_OF_TIME;
 import static java.nio.charset.StandardCharsets.UTF_8;
-import static org.mockito.ArgumentMatchers.eq;
-import static org.mockito.Mockito.verify;
 
-import com.google.common.collect.ImmutableMap;
+import com.google.common.base.Ascii;
+import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.ImmutableSortedMap;
 import com.google.common.io.Files;
-import com.google.common.net.MediaType;
+import google.registry.dns.writer.VoidDnsWriter;
-import google.registry.testing.UriParameters;
+import google.registry.model.pricing.StaticPremiumListPricingEngine;
+import google.registry.model.registry.Registry;
+import google.registry.model.registry.Registry.TldType;
 import java.io.File;
-import java.nio.charset.StandardCharsets;
+import java.io.IOException;
-import org.mockito.ArgumentCaptor;
+import org.junit.jupiter.api.BeforeEach;
-import org.mockito.Captor;
 
 /** Base class for common testing setup for create and update commands for Premium Lists. */
 abstract class CreateOrUpdatePremiumListCommandTestCase<T extends CreateOrUpdatePremiumListCommand>
     extends CommandTestCase<T> {
 
-  @Captor
+  protected static final String TLD_TEST = "prime";
-  ArgumentCaptor<ImmutableMap<String, String>> urlParamCaptor;
+  protected String premiumTermsPath;
+  protected String initialPremiumListData;
 
-  @Captor
+  @BeforeEach
-  ArgumentCaptor<byte[]> requestBodyCaptor;
+  void beforeEachCreateOrUpdatePremiumListCommandTestCase() throws IOException {
-
+    // initial set up for both CreatePremiumListCommand and UpdatePremiumListCommand test cases;
-  static String generateInputData(String premiumTermsPath) throws Exception {
+    initialPremiumListData = "doge,USD 9090";
-    return Files.asCharSource(new File(premiumTermsPath), StandardCharsets.UTF_8).read();
+    File premiumTermsFile = tmpDir.resolve(TLD_TEST + ".txt").toFile();
+    Files.asCharSink(premiumTermsFile, UTF_8).write(initialPremiumListData);
+    premiumTermsPath = premiumTermsFile.getPath();
   }
 
-  void verifySentParams(
+  Registry createRegistry(String tldStr, String premiumListInput) {
-      AppEngineConnection connection, String path, ImmutableMap<String, String> parameterMap)
+    Registry registry;
-      throws Exception {
+    if (premiumListInput != null) {
-    verify(connection)
+      registry =
-        .sendPostRequest(
+          newRegistry(
-            eq(path),
+              tldStr,
-            urlParamCaptor.capture(),
+              Ascii.toUpperCase(tldStr),
-            eq(MediaType.FORM_DATA),
+              ImmutableSortedMap.of(START_OF_TIME, GENERAL_AVAILABILITY),
-            requestBodyCaptor.capture());
+              TldType.TEST);
-    assertThat(new ImmutableMap.Builder<String, String>()
+      persistPremiumList(tldStr, premiumListInput);
-        .putAll(urlParamCaptor.getValue())
+      persistResource(registry);
-        .putAll(UriParameters.parse(new String(requestBodyCaptor.getValue(), UTF_8)).entries())
+    } else {
-        .build())
+      registry =
-            .containsExactlyEntriesIn(parameterMap);
+          new Registry.Builder()
+              .setTldStr(tldStr)
+              .setPremiumPricingEngine(StaticPremiumListPricingEngine.NAME)
+              .setDnsWriters(ImmutableSet.of(VoidDnsWriter.NAME))
+              .setPremiumList(null)
+              .build();
+      tm().transact(() -> tm().put(registry));
+    }
+    return registry;
   }
 }

core/src/test/java/google/registry/tools/CreatePremiumListCommandTest.java

@@ -15,105 +15,125 @@
 package google.registry.tools;
 
 import static com.google.common.truth.Truth.assertThat;
-import static google.registry.request.JsonResponse.JSON_SAFETY_PREFIX;
+import static google.registry.testing.DatabaseHelper.createTld;
-import static google.registry.testing.TestDataHelper.loadFile;
 import static org.junit.jupiter.api.Assertions.assertThrows;
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.ArgumentMatchers.anyMap;
-import static org.mockito.ArgumentMatchers.eq;
-import static org.mockito.Mockito.reset;
-import static org.mockito.Mockito.when;
 
-import com.beust.jcommander.ParameterException;
+import com.google.common.io.Files;
-import com.google.common.base.VerifyException;
+import google.registry.model.registry.Registry;
-import com.google.common.collect.ImmutableMap;
+import google.registry.schema.tld.PremiumListSqlDao;
-import com.google.common.net.MediaType;
+import java.nio.file.Path;
-import google.registry.tools.server.CreatePremiumListAction;
+import java.nio.file.Paths;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
-import org.mockito.ArgumentMatchers;
-import org.mockito.Mock;
-import org.mockito.junit.jupiter.MockitoSettings;
-import org.mockito.quality.Strictness;
 
 /** Unit tests for {@link CreatePremiumListCommand}. */
 class CreatePremiumListCommandTest<C extends CreatePremiumListCommand>
     extends CreateOrUpdatePremiumListCommandTestCase<C> {
-
+  Registry registry;
-  @Mock AppEngineConnection connection;
-
-  private String premiumTermsPath;
-  String premiumTermsCsv;
-  private String servletPath;
 
   @BeforeEach
-  void beforeEach() throws Exception {
+  void beforeEach() {
-    command.setConnection(connection);
+    registry = createRegistry(TLD_TEST, null);
-    premiumTermsPath =
-        writeToNamedTmpFile(
-            "example_premium_terms.csv",
-            loadFile(CreatePremiumListCommandTest.class, "example_premium_terms.csv"));
-    servletPath = "/_dr/admin/createPremiumList";
-    when(connection.sendPostRequest(
-            eq(CreatePremiumListAction.PATH),
-            ArgumentMatchers.<String, String>anyMap(),
-            any(MediaType.class),
-            any(byte[].class)))
-        .thenReturn(JSON_SAFETY_PREFIX + "{\"status\":\"success\",\"lines\":[]}");
   }
 
   @Test
-  void testRun() throws Exception {
+  void verify_registryIsSetUpCorrectly() {
-    runCommandForced("-i=" + premiumTermsPath, "-n=foo");
+    // ensure that no premium list is created before running the command
-    assertInStdout("Successfully");
+    // this check also implicitly verifies the TLD is successfully created;
-    verifySentParams(
+    assertThat(PremiumListSqlDao.getLatestRevision(TLD_TEST).isPresent()).isFalse();
-        connection,
-        servletPath,
-        ImmutableMap.of("name", "foo", "inputData", generateInputData(premiumTermsPath)));
   }
 
   @Test
-  void testRun_noProvidedName_usesBasenameOfInputFile() throws Exception {
+  void commandRun_successCreateList() throws Exception {
-    runCommandForced("-i=" + premiumTermsPath);
+    runCommandForced("--name=" + TLD_TEST, "--input=" + premiumTermsPath);
-    assertInStdout("Successfully");
+    assertThat(registry.getTld().toString()).isEqualTo(TLD_TEST);
-    verifySentParams(
+    assertThat(PremiumListSqlDao.getLatestRevision(TLD_TEST).isPresent()).isTrue();
-        connection,
-        servletPath,
-        ImmutableMap.of(
-            "name", "example_premium_terms", "inputData", generateInputData(premiumTermsPath)));
   }
 
   @Test
-  void testRun_errorResponse() throws Exception {
+  // since the old entity is always null and file cannot be empty, the prompt will NOT be "No entity
-    reset(connection);
+  // changes to apply."
-    command.setConnection(connection);
+  void commandInit_successStageNewEntity() throws Exception {
-    when(connection.sendPostRequest(
+    CreatePremiumListCommand command = new CreatePremiumListCommand();
-            eq(CreatePremiumListAction.PATH), anyMap(), any(MediaType.class), any(byte[].class)))
+    command.inputFile = Paths.get(premiumTermsPath);
-        .thenReturn(JSON_SAFETY_PREFIX + "{\"status\":\"error\",\"error\":\"foo already exists\"}");
+    command.init();
-    VerifyException thrown =
+    assertThat(command.prompt()).contains("Create PremiumList@");
-        assertThrows(
+    assertThat(command.prompt()).contains(String.format("name=%s", TLD_TEST));
-            VerifyException.class, () -> runCommandForced("-i=" + premiumTermsPath, "-n=foo"));
-    assertThat(thrown).hasMessageThat().contains("Server error:");
   }
 
   @Test
-  @MockitoSettings(strictness = Strictness.LENIENT)
+  void commandInit_successStageNewEntityWithOverride() throws Exception {
-  void testRun_noInputFileSpecified_throwsException() {
+    CreatePremiumListCommand command = new CreatePremiumListCommand();
-    ParameterException thrown = assertThrows(ParameterException.class, this::runCommand);
+    String alterTld = "override";
-    assertThat(thrown).hasMessageThat().contains("The following option is required");
+    command.inputFile = Paths.get(premiumTermsPath);
+    command.override = true;
+    command.name = alterTld;
+    command.init();
+    assertThat(command.prompt()).contains("Create PremiumList@");
+    assertThat(command.prompt()).contains(String.format("name=%s", alterTld));
   }
 
   @Test
-  @MockitoSettings(strictness = Strictness.LENIENT)
+  void commandInit_failureNoInputFile() {
-  void testRun_invalidInputData() throws Exception {
+    CreatePremiumListCommand command = new CreatePremiumListCommand();
-    premiumTermsPath =
+    assertThrows(NullPointerException.class, command::init);
-        writeToNamedTmpFile(
+  }
-            "tmp_file2",
+
-            loadFile(CreatePremiumListCommandTest.class, "example_invalid_premium_terms.csv"));
+  @Test
-    IllegalArgumentException thrown =
+  void commandInit_failurePremiumListAlreadyExists() {
-        assertThrows(
+    String randomStr = "random";
-            IllegalArgumentException.class,
+    createTld(randomStr);
-            () -> runCommandForced("-i=" + premiumTermsPath, "-n=foo"));
+    CreatePremiumListCommand command = new CreatePremiumListCommand();
-    assertThat(thrown).hasMessageThat().contains("Could not parse line in premium list");
+    command.name = randomStr;
+    IllegalArgumentException thrown = assertThrows(IllegalArgumentException.class, command::init);
+    assertThat(thrown).hasMessageThat().isEqualTo("A premium list already exists by this name");
+  }
+
+  @Test
+  void commandInit_failureMismatchedTldFileName_noOverride() throws Exception {
+    CreatePremiumListCommand command = new CreatePremiumListCommand();
+    String fileName = "random";
+    Path tmpPath = tmpDir.resolve(String.format("%s.txt", fileName));
+    Files.write(new byte[0], tmpPath.toFile());
+    command.inputFile = tmpPath;
+    IllegalArgumentException thrown = assertThrows(IllegalArgumentException.class, command::init);
+    assertThat(thrown)
+        .hasMessageThat()
+        .contains(
+            String.format(
+                "Premium names must match the name of the TLD they are "
+                    + "intended to be used on (unless --override is specified), "
+                    + "yet TLD %s does not exist",
+                fileName));
+  }
+
+  @Test
+  void commandInit_failureMismatchedTldName_noOverride() {
+    CreatePremiumListCommand command = new CreatePremiumListCommand();
+    String fileName = "random";
+    command.name = fileName;
+    IllegalArgumentException thrown = assertThrows(IllegalArgumentException.class, command::init);
+    assertThat(thrown)
+        .hasMessageThat()
+        .contains(
+            String.format(
+                "Premium names must match the name of the TLD they are "
+                    + "intended to be used on (unless --override is specified), "
+                    + "yet TLD %s does not exist",
+                fileName));
+  }
+
+  @Test
+  void commandInit_failureUseEmptyFile() throws Exception {
+    CreatePremiumListCommand command = new CreatePremiumListCommand();
+    String fileName = "empty";
+    Path tmpPath = tmpDir.resolve(String.format("%s.txt", fileName));
+    Files.write(new byte[0], tmpPath.toFile());
+    command.inputFile = tmpPath;
+    command.name = TLD_TEST;
+    IllegalArgumentException thrown = assertThrows(IllegalArgumentException.class, command::init);
+    assertThat(thrown)
+        .hasMessageThat()
+        .contains("The Cloud SQL schema requires exactly one currency");
   }
 }

core/src/test/java/google/registry/tools/UpdatePremiumListCommandTest.java

@@ -14,60 +14,154 @@
 
 package google.registry.tools;
 
-import static google.registry.request.JsonResponse.JSON_SAFETY_PREFIX;
+import static com.google.common.truth.Truth.assertThat;
-import static google.registry.testing.TestDataHelper.loadFile;
+import static java.nio.charset.StandardCharsets.UTF_8;
-import static org.mockito.ArgumentMatchers.any;
+import static org.junit.jupiter.api.Assertions.assertThrows;
-import static org.mockito.ArgumentMatchers.anyMap;
-import static org.mockito.ArgumentMatchers.eq;
-import static org.mockito.Mockito.when;
 
-import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableSet;
-import com.google.common.net.MediaType;
+import com.google.common.io.Files;
-import google.registry.tools.server.UpdatePremiumListAction;
+import google.registry.model.registry.Registry;
+import google.registry.schema.tld.PremiumListSqlDao;
+import java.io.File;
+import java.nio.file.Path;
+import java.nio.file.Paths;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
-import org.mockito.Mock;
 
 /** Unit tests for {@link UpdatePremiumListCommand}. */
 class UpdatePremiumListCommandTest<C extends UpdatePremiumListCommand>
     extends CreateOrUpdatePremiumListCommandTestCase<C> {
-
+  Registry registry;
-  @Mock AppEngineConnection connection;
-
-  private String premiumTermsPath;
-  String premiumTermsCsv;
-  private String servletPath;
 
   @BeforeEach
-  void beforeEach() throws Exception {
+  void beforeEach() {
-    command.setConnection(connection);
+    registry = createRegistry(TLD_TEST, initialPremiumListData);
-    servletPath = "/_dr/admin/updatePremiumList";
-    premiumTermsPath =
-        writeToNamedTmpFile(
-            "example_premium_terms.csv",
-            loadFile(UpdatePremiumListCommandTest.class, "example_premium_terms.csv"));
-    when(connection.sendPostRequest(
-            eq(UpdatePremiumListAction.PATH), anyMap(), any(MediaType.class), any(byte[].class)))
-        .thenReturn(JSON_SAFETY_PREFIX + "{\"status\":\"success\",\"lines\":[]}");
   }
 
   @Test
-  void testRun() throws Exception {
+  void verify_registryIsSetUpCorrectly() {
-    runCommandForced("-i=" + premiumTermsPath, "-n=foo");
+    // ensure that no premium list is created before running the command
-    verifySentParams(
+    assertThat(PremiumListSqlDao.getLatestRevision(TLD_TEST).isPresent()).isTrue();
-        connection,
+    // ensure that there's value in existing premium list;
-        servletPath,
+    UpdatePremiumListCommand command = new UpdatePremiumListCommand();
-        ImmutableMap.of("name", "foo", "inputData", generateInputData(premiumTermsPath)));
+    ImmutableSet<String> entries = command.getExistingPremiumListEntry(TLD_TEST);
+    assertThat(entries.size()).isEqualTo(1);
+    // data from @beforeEach of CreateOrUpdatePremiumListCommandTestCase.java
+    assertThat(entries.contains("doge,USD 9090.00")).isTrue();
   }
 
   @Test
-  void testRun_noProvidedName_usesBasenameOfInputFile() throws Exception {
+  void commandInit_successStageNoEntityChange() throws Exception {
-    runCommandForced("-i=" + premiumTermsPath);
+    UpdatePremiumListCommand command = new UpdatePremiumListCommand();
-    assertInStdout("Successfully");
+    command.inputFile = Paths.get(premiumTermsPath);
-    verifySentParams(
+    command.name = TLD_TEST;
-        connection,
+    command.init();
-        servletPath,
+    assertThat(command.prompt()).contains("No entity changes to apply.");
-        ImmutableMap.of(
+  }
-            "name", "example_premium_terms", "inputData", generateInputData(premiumTermsPath)));
+
+  @Test
+  void commandInit_successStageEntityChange() throws Exception {
+    File tmpFile = tmpDir.resolve(String.format("%s.txt", TLD_TEST)).toFile();
+    String newPremiumListData = "omg,JPY 1234";
+    Files.asCharSink(tmpFile, UTF_8).write(newPremiumListData);
+    UpdatePremiumListCommand command = new UpdatePremiumListCommand();
+    command.inputFile = Paths.get(tmpFile.getPath());
+    command.name = TLD_TEST;
+    command.init();
+    assertThat(command.prompt()).contains("Update PremiumList@");
+  }
+
+  @Test
+  void commandRun_successUpdateList() throws Exception {
+    File tmpFile = tmpDir.resolve(String.format("%s.txt", TLD_TEST)).toFile();
+    String newPremiumListData = "eth,USD 9999";
+    Files.asCharSink(tmpFile, UTF_8).write(newPremiumListData);
+
+    UpdatePremiumListCommand command = new UpdatePremiumListCommand();
+    // data come from @beforeEach of CreateOrUpdatePremiumListCommandTestCase.java
+    command.inputFile = Paths.get(tmpFile.getPath());
+    runCommandForced("--name=" + TLD_TEST, "--input=" + command.inputFile);
+
+    ImmutableSet<String> entries = command.getExistingPremiumListEntry(TLD_TEST);
+    assertThat(entries.size()).isEqualTo(1);
+    // verify that list is updated; cannot use only string since price is formatted;
+    assertThat(entries.contains("eth,USD 9999.00")).isTrue();
+  }
+
+  @Test
+  void commandRun_successUpdateMultiLineList() throws Exception {
+    File tmpFile = tmpDir.resolve(TLD_TEST + ".txt").toFile();
+    String premiumTerms = "foo,USD 9000\ndoge,USD 100\nelon,USD 2021";
+    Files.asCharSink(tmpFile, UTF_8).write(premiumTerms);
+
+    UpdatePremiumListCommand command = new UpdatePremiumListCommand();
+    command.inputFile = Paths.get(tmpFile.getPath());
+    runCommandForced("--name=" + TLD_TEST, "--input=" + command.inputFile);
+
+    // assert all three lines from premiumTerms are added
+    ImmutableSet<String> entries = command.getExistingPremiumListEntry(TLD_TEST);
+    assertThat(entries.size()).isEqualTo(3);
+    assertThat(entries.contains("foo,USD 9000.00")).isTrue();
+    assertThat(entries.contains("doge,USD 100.00")).isTrue();
+    assertThat(entries.contains("elon,USD 2021.00")).isTrue();
+  }
+
+  @Test
+  void commandInit_failureUpdateEmptyList() throws Exception {
+    Path tmpPath = tmpDir.resolve(String.format("%s.txt", TLD_TEST));
+    Files.write(new byte[0], tmpPath.toFile());
+
+    UpdatePremiumListCommand command = new UpdatePremiumListCommand();
+    command.inputFile = tmpPath;
+    command.name = TLD_TEST;
+    IllegalArgumentException thrown = assertThrows(IllegalArgumentException.class, command::init);
+    assertThat(thrown)
+        .hasMessageThat()
+        .contains("The Cloud SQL schema requires exactly one currency");
+  }
+
+  @Test
+  void commandInit_failureNoPreviousVersion() {
+    String fileName = "random";
+    registry = createRegistry(fileName, null);
+    UpdatePremiumListCommand command = new UpdatePremiumListCommand();
+    command.name = fileName;
+    IllegalArgumentException thrown = assertThrows(IllegalArgumentException.class, command::init);
+    assertThat(thrown)
+        .hasMessageThat()
+        .isEqualTo(
+            String.format("Could not update premium list %s because it doesn't exist.", fileName));
+  }
+
+  @Test
+  void commandInit_failureNoInputFile() {
+    UpdatePremiumListCommand command = new UpdatePremiumListCommand();
+    assertThrows(NullPointerException.class, command::init);
+  }
+
+  @Test
+  void commandInit_failureTldFromNameDoesNotExist() {
+    String fileName = "random";
+    UpdatePremiumListCommand command = new UpdatePremiumListCommand();
+    command.name = fileName;
+    IllegalArgumentException thrown = assertThrows(IllegalArgumentException.class, command::init);
+    assertThat(thrown)
+        .hasMessageThat()
+        .isEqualTo(
+            String.format("Could not update premium list %s because it doesn't exist.", fileName));
+  }
+
+  @Test
+  void commandInit_failureTldFromInputFileDoesNotExist() {
+    String fileName = "random";
+    UpdatePremiumListCommand command = new UpdatePremiumListCommand();
+    // using tld extracted from file name but this tld is not part of the registry
+    command.inputFile =
+        Paths.get(tmpDir.resolve(String.format("%s.txt", fileName)).toFile().getPath());
+    IllegalArgumentException thrown = assertThrows(IllegalArgumentException.class, command::init);
+    assertThat(thrown)
+        .hasMessageThat()
+        .isEqualTo(
+            String.format("Could not update premium list %s because it doesn't exist.", fileName));
   }
 }