extensions/browser/api/document_scan/document_scan_api_unittest.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "extensions/browser/api/document_scan/document_scan_api.h"
   6
   7 #include <string>
   8 #include <vector>
   9
  10 #include "extensions/browser/api/document_scan/mock_document_scan_interface.h"
  11 #include "extensions/browser/api_test_utils.h"
  12 #include "extensions/browser/api_unittest.h"
  13 #include "testing/gtest/include/gtest/gtest.h"
  14
  15 using testing::_;
  16
  17 namespace extensions {
  18
  19 namespace api {
  20
  21 // Tests of networking_private_crypto support for Networking Private API.
  22 class DocumentScanScanFunctionTest : public ApiUnitTest {
  23  public:
  24   DocumentScanScanFunctionTest()
  25       : function_(new DocumentScanScanFunction()),
  26         document_scan_interface_(new MockDocumentScanInterface()) {}
  27   ~DocumentScanScanFunctionTest() override {}
  28
  29   void SetUp() override {
  30     ApiUnitTest::SetUp();
  31     // Passes ownership.
  32     function_->document_scan_interface_.reset(document_scan_interface_);
  33   }
  34
  35  protected:
  36   std::string RunFunctionAndReturnError(const std::string& args) {
  37     function_->set_extension(extension());
  38     std::string error = api_test_utils::RunFunctionAndReturnError(
  39         function_, args, browser_context(), api_test_utils::NONE);
  40     return error;
  41   }
  42
  43   DocumentScanScanFunction* function_;
  44   MockDocumentScanInterface* document_scan_interface_;  // Owned by function_.
  45 };
  46
  47 ACTION_P2(InvokeListScannersCallback, scanner_list, error) {
  48   ::std::tr1::get<0>(args).Run(scanner_list, error);
  49 }
  50
  51 ACTION_P3(InvokeScanCallback, data, mime_type, error) {
  52   ::std::tr1::get<3>(args).Run(data, mime_type, error);
  53 }
  54
  55 TEST_F(DocumentScanScanFunctionTest, GestureRequired) {
  56   EXPECT_EQ("User gesture required to perform scan",
  57             RunFunctionAndReturnError("[{}]"));
  58 }
  59
  60 TEST_F(DocumentScanScanFunctionTest, NoScanners) {
  61   function_->set_user_gesture(true);
  62   EXPECT_CALL(*document_scan_interface_, ListScanners(_))
  63       .WillOnce(InvokeListScannersCallback(
  64           std::vector<DocumentScanInterface::ScannerDescription>(), ""));
  65   EXPECT_EQ("Scanner not available", RunFunctionAndReturnError("[{}]"));
  66 }
  67
  68 TEST_F(DocumentScanScanFunctionTest, NoMatchingScanners) {
  69   function_->set_user_gesture(true);
  70   std::vector<DocumentScanInterface::ScannerDescription> scanner_list;
  71   DocumentScanInterface::ScannerDescription scanner;
  72   scanner.image_mime_type = "img/fresco";
  73   scanner_list.push_back(scanner);
  74   EXPECT_CALL(*document_scan_interface_, ListScanners(_))
  75       .WillOnce(InvokeListScannersCallback(scanner_list, ""));
  76   EXPECT_EQ(
  77       "Scanner not available",
  78       RunFunctionAndReturnError("[{\"mimeTypes\": [\"img/silverpoint\"]}]"));
  79 }
  80
  81 TEST_F(DocumentScanScanFunctionTest, ScanFailure) {
  82   function_->set_user_gesture(true);
  83   std::vector<DocumentScanInterface::ScannerDescription> scanner_list;
  84   DocumentScanInterface::ScannerDescription scanner;
  85   const char kMimeType[] = "img/tempera";
  86   const char kScannerName[] = "Michelangelo";
  87   scanner.name = kScannerName;
  88   scanner.image_mime_type = kMimeType;
  89   scanner_list.push_back(scanner);
  90   EXPECT_CALL(*document_scan_interface_, ListScanners(_))
  91       .WillOnce(InvokeListScannersCallback(scanner_list, ""));
  92   const char kScanError[] = "Someone ate all the eggs";
  93   EXPECT_CALL(*document_scan_interface_, Scan(kScannerName, _, _, _))
  94       .WillOnce(InvokeScanCallback("", "", kScanError));
  95   EXPECT_EQ(kScanError,
  96             RunFunctionAndReturnError("[{\"mimeTypes\": [\"img/tempera\"]}]"));
  97 }
  98
  99 TEST_F(DocumentScanScanFunctionTest, Success) {
 100   std::vector<DocumentScanInterface::ScannerDescription> scanner_list;
 101   scanner_list.push_back(DocumentScanInterface::ScannerDescription());
 102   EXPECT_CALL(*document_scan_interface_, ListScanners(_))
 103       .WillOnce(InvokeListScannersCallback(scanner_list, ""));
 104   const char kScanData[] = "A beautiful picture";
 105   const char kMimeType[] = "img/encaustic";
 106   EXPECT_CALL(*document_scan_interface_, Scan(_, _, _, _))
 107       .WillOnce(InvokeScanCallback(kScanData, kMimeType, ""));
 108   function_->set_user_gesture(true);
 109   scoped_ptr<base::DictionaryValue> result(
 110       RunFunctionAndReturnDictionary(function_, "[{}]"));
 111   ASSERT_NE(nullptr, result.get());
 112   document_scan::ScanResults scan_results;
 113   EXPECT_TRUE(document_scan::ScanResults::Populate(*result, &scan_results));
 114   EXPECT_THAT(scan_results.data_urls, testing::ElementsAre(kScanData));
 115   EXPECT_EQ(kMimeType, scan_results.mime_type);
 116 }
 117
 118 }  // namespace api
 119
 120 }  // namespace extensions