Clean up printer preference handling.

chromeos/printing/printer_translator_unittest.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <utility>
 
 #include "base/memory/ptr_util.h"
 #include "base/test/values_test_util.h"
 #include "base/values.h"
 #include "chromeos/printing/printer_configuration.h"
 #include "chromeos/printing/printer_translator.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace chromeos {
 namespace printing {
 
 // Printer test data
-const char kGUID[] = "GUID-GUID-GUID";
+const char kHash[] = "ABCDEF123456";
 const char kName[] = "Chrome Super Printer";
 const char kDescription[] = "first star on the left";
 const char kMake[] = "Chrome";
 const char kModel[] = "Inktastic Laser Magic";
 const char kUri[] = "ipp://printy.domain.co:555/ipp/print";
 const char kUUID[] = "UUID-UUID-UUID";
 
 // PpdReference test data
-const char kUserSuppliedPpdUrl[] = "/some/path/to/user.url";
-const char kEffectiveMakeAndModel[] = "PrintBlaster 2000";
+const char kEffectiveMakeAndModel[] = "PrintBlaster LazerInker 2000";
 
-TEST(PrinterTranslatorTest, PrefToPrinterMissingId) {
+TEST(PrinterTranslatorTest, RecommendedPrinterToPrinterMissingId) {
   base::DictionaryValue value;
-  std::unique_ptr<Printer> printer = PrefToPrinter(value);
+  std::unique_ptr<Printer> printer = RecommendedPrinterToPrinter(value);
 
   EXPECT_FALSE(printer);
 }
 
-TEST(PrinterTranslatorTest, PrefToPrinter) {
+TEST(PrinterTranslatorTest, MissingDisplayNameFails) {
   base::DictionaryValue preference;
-  preference.SetString("id", kGUID);
+  preference.SetString("id", kHash);
+  // display name omitted
+  preference.SetString("uri", kUri);
+  preference.SetString("ppd_resource.effective_model", kEffectiveMakeAndModel);
+
+  std::unique_ptr<Printer> printer = RecommendedPrinterToPrinter(preference);
+  EXPECT_FALSE(printer);
+}
+
+TEST(PrinterTranslatorTest, MissingUriFails) {
+  base::DictionaryValue preference;
+  preference.SetString("id", kHash);
+  preference.SetString("display_name", kName);
+  // uri omitted
+  preference.SetString("ppd_resource.effective_model", kEffectiveMakeAndModel);
+
+  std::unique_ptr<Printer> printer = RecommendedPrinterToPrinter(preference);
+  EXPECT_FALSE(printer);
+}
+
+TEST(PrinterTranslatorTest, MissingPpdResourceFails) {
+  base::DictionaryValue preference;
+  preference.SetString("id", kHash);
+  preference.SetString("display_name", kName);
+  preference.SetString("uri", kUri);
+  // ppd resource omitted
+
+  std::unique_ptr<Printer> printer = RecommendedPrinterToPrinter(preference);
+  EXPECT_FALSE(printer);
+}
+
+TEST(PrinterTranslatorTest, MissingEffectiveMakeModelFails) {
+  base::DictionaryValue preference;
+  preference.SetString("id", kHash);
+  preference.SetString("display_name", kName);
+  preference.SetString("uri", kUri);
+  preference.SetString("ppd_resource.foobarwrongfield", "gibberish");
+
+  std::unique_ptr<Printer> printer = RecommendedPrinterToPrinter(preference);
+  EXPECT_FALSE(printer);
+}
+
+TEST(PrinterTranslatorTest, RecommendedPrinterMinimalSetup) {
+  base::DictionaryValue preference;
+  preference.SetString("id", kHash);
+  preference.SetString("display_name", kName);
+  preference.SetString("uri", kUri);
+  preference.SetString("ppd_resource.effective_model", kEffectiveMakeAndModel);
+
+  std::unique_ptr<Printer> printer = RecommendedPrinterToPrinter(preference);
+  EXPECT_TRUE(printer);
+}
+
+TEST(PrinterTranslatorTest, RecommendedPrinterToPrinter) {
+  base::DictionaryValue preference;
+  preference.SetString("id", kHash);
   preference.SetString("display_name", kName);
   preference.SetString("description", kDescription);
   preference.SetString("manufacturer", kMake);
-  preference.SetString("model", kModel);
-  preference.SetString("uri", kUri);
-  preference.SetString("uuid", kUUID);
-
-  std::unique_ptr<Printer> printer = PrefToPrinter(preference);
-  EXPECT_TRUE(printer);
-
-  EXPECT_EQ(kGUID, printer->id());
-  EXPECT_EQ(kName, printer->display_name());
-  EXPECT_EQ(kDescription, printer->description());
-  EXPECT_EQ(kMake, printer->manufacturer());
-  EXPECT_EQ(kModel, printer->model());
-  EXPECT_EQ(kUri, printer->uri());
-  EXPECT_EQ(kUUID, printer->uuid());
-}
-
-TEST(PrinterTranslatorTest, PrinterToPref) {
-  Printer printer("GLOBALLY_UNIQUE_ID");
-  printer.set_display_name(kName);
-  printer.set_description(kDescription);
-  printer.set_manufacturer(kMake);
-  printer.set_model(kModel);
-  printer.set_uri(kUri);
-  printer.set_uuid(kUUID);
-
-  std::unique_ptr<base::DictionaryValue> pref = PrinterToPref(printer);
-
-  base::ExpectDictStringValue("GLOBALLY_UNIQUE_ID", *pref, "id");
-  base::ExpectDictStringValue(kName, *pref, "display_name");
-  base::ExpectDictStringValue(kDescription, *pref, "description");
-  base::ExpectDictStringValue(kMake, *pref, "manufacturer");
-  base::ExpectDictStringValue(kModel, *pref, "model");
-  base::ExpectDictStringValue(kUri, *pref, "uri");
-  base::ExpectDictStringValue(kUUID, *pref, "uuid");
-}
-
-TEST(PrinterTranslatorTest, PrinterToPrefPpdReference) {
-  Printer printer("UNIQUE_ID");
-  auto* ppd = printer.mutable_ppd_reference();
-  ppd->user_supplied_ppd_url = kUserSuppliedPpdUrl;
-  ppd->effective_make_and_model = kEffectiveMakeAndModel;
-
-  std::unique_ptr<base::DictionaryValue> actual = PrinterToPref(printer);
-
-  base::ExpectDictStringValue(kUserSuppliedPpdUrl, *actual,
-                              "ppd_reference.user_supplied_ppd_url");
-  base::ExpectDictStringValue(kEffectiveMakeAndModel, *actual,
-                              "ppd_reference.effective_model");
-}
-
-// Make sure we don't serialize empty fields.
-TEST(PrinterTranslatorTest, PrinterToPrefPpdReferenceLazy) {
-  Printer printer("UNIQUE_ID");
-  std::unique_ptr<base::DictionaryValue> actual = PrinterToPref(printer);
-
-  EXPECT_FALSE(actual->HasKey("ppd_reference.user_supplied_ppd_url"));
-  EXPECT_FALSE(actual->HasKey("ppd_reference.ppd_server_key"));
-}
-
-TEST(PrinterTranslatorTest, PrefToPrinterRoundTrip) {
-  base::DictionaryValue preference;
-  preference.SetString("id", kGUID);
-  preference.SetString("display_name", kName);
-  preference.SetString("description", kDescription);
-  preference.SetString("manufacturer", kMake);
   preference.SetString("model", kModel);
   preference.SetString("uri", kUri);
   preference.SetString("uuid", kUUID);
 
-  preference.SetString("ppd_reference.user_supplied_ppd_url",
-                       kUserSuppliedPpdUrl);
-  preference.SetString("ppd_reference.effective_model", kEffectiveMakeAndModel);
+  preference.SetString("ppd_resource.effective_model", kEffectiveMakeAndModel);
 
-  std::unique_ptr<Printer> printer = PrefToPrinter(preference);
-  std::unique_ptr<base::DictionaryValue> pref_copy = PrinterToPref(*printer);
+  std::unique_ptr<Printer> printer = RecommendedPrinterToPrinter(preference);
+  EXPECT_TRUE(printer);
 
-  EXPECT_TRUE(preference.Equals(pref_copy.get()));
+  EXPECT_EQ(kHash, printer->id());
+  EXPECT_EQ(kName, printer->display_name());
+  EXPECT_EQ(kDescription, printer->description());
+  EXPECT_EQ(kMake, printer->manufacturer());
+  EXPECT_EQ(kModel, printer->model());
+  EXPECT_EQ(kUri, printer->uri());
+  EXPECT_EQ(kUUID, printer->uuid());
+
+  EXPECT_EQ(kEffectiveMakeAndModel,
+            printer->ppd_reference().effective_make_and_model);
 }
 
 }  // namespace printing
 }  // namespace chromeos