1 // Copyright (c) 2012 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 "chrome/browser/printing/print_job.h"
6 
7 #include <memory>
8 #include <utility>
9 #include <vector>
10 
11 #include "base/run_loop.h"
12 #include "base/strings/string16.h"
13 #include "build/build_config.h"
14 #include "chrome/browser/chrome_notification_types.h"
15 #include "chrome/browser/printing/print_job_worker.h"
16 #include "chrome/browser/printing/printer_query.h"
17 #include "content/public/browser/notification_registrar.h"
18 #include "content/public/browser/notification_service.h"
19 #include "content/public/common/child_process_host.h"
20 #include "content/public/test/browser_task_environment.h"
21 #include "testing/gtest/include/gtest/gtest.h"
22 
23 namespace printing {
24 
25 namespace {
26 
27 class TestPrintJobWorker : public PrintJobWorker {
28  public:
TestPrintJobWorker()29   TestPrintJobWorker()
30       : PrintJobWorker(content::ChildProcessHost::kInvalidUniqueID,
31                        content::ChildProcessHost::kInvalidUniqueID) {}
32   friend class TestQuery;
33 };
34 
35 class TestQuery : public PrinterQuery {
36  public:
TestQuery()37   TestQuery()
38       : PrinterQuery(content::ChildProcessHost::kInvalidUniqueID,
39                      content::ChildProcessHost::kInvalidUniqueID) {}
40 
GetSettingsDone(base::OnceClosure callback,std::unique_ptr<PrintSettings> new_settings,PrintingContext::Result result)41   void GetSettingsDone(base::OnceClosure callback,
42                        std::unique_ptr<PrintSettings> new_settings,
43                        PrintingContext::Result result) override {
44     FAIL();
45   }
46 
~TestQuery()47   ~TestQuery() override {}
48 
DetachWorker()49   std::unique_ptr<PrintJobWorker> DetachWorker() override {
50     {
51       // Do an actual detach to keep the parent class happy.
52       auto real_worker = PrinterQuery::DetachWorker();
53     }
54 
55     // We're screwing up here since we're calling worker from the main thread.
56     // That's fine for testing. It is actually simulating PrinterQuery behavior.
57     auto worker = std::make_unique<TestPrintJobWorker>();
58     EXPECT_TRUE(worker->Start());
59     worker->printing_context()->UseDefaultSettings();
60     SetSettingsForTest(worker->printing_context()->TakeAndResetSettings());
61 
62     return std::move(worker);
63   }
64 
65  private:
66   DISALLOW_COPY_AND_ASSIGN(TestQuery);
67 };
68 
69 class TestPrintJob : public PrintJob {
70  public:
TestPrintJob(volatile bool * check)71   explicit TestPrintJob(volatile bool* check) : check_(check) {
72   }
73  private:
~TestPrintJob()74   ~TestPrintJob() override { *check_ = true; }
75   volatile bool* check_;
76 };
77 
78 class TestPrintNotificationObserver : public content::NotificationObserver {
79  public:
80   // content::NotificationObserver
Observe(int type,const content::NotificationSource & source,const content::NotificationDetails & details)81   void Observe(int type,
82                const content::NotificationSource& source,
83                const content::NotificationDetails& details) override {
84     ADD_FAILURE();
85   }
86 };
87 
88 }  // namespace
89 
TEST(PrintJobTest,SimplePrint)90 TEST(PrintJobTest, SimplePrint) {
91   // Test the multi-threaded nature of PrintJob to make sure we can use it with
92   // known lifetime.
93 
94   content::BrowserTaskEnvironment task_environment;
95   content::NotificationRegistrar registrar;
96   TestPrintNotificationObserver observer;
97   registrar.Add(&observer, content::NOTIFICATION_ALL,
98                 content::NotificationService::AllSources());
99   volatile bool check = false;
100   scoped_refptr<PrintJob> job(new TestPrintJob(&check));
101   job->Initialize(std::make_unique<TestQuery>(), base::string16(), 1);
102 #if defined(OS_CHROMEOS)
103   job->SetSource(PrintJob::Source::PRINT_PREVIEW, /*source_id=*/"");
104 #endif  // defined(OS_CHROMEOS)
105   job->Stop();
106   while (job->document()) {
107     base::RunLoop().RunUntilIdle();
108   }
109   EXPECT_FALSE(job->document());
110   job = nullptr;
111   while (!check) {
112     base::RunLoop().RunUntilIdle();
113   }
114   EXPECT_TRUE(check);
115 }
116 
TEST(PrintJobTest,SimplePrintLateInit)117 TEST(PrintJobTest, SimplePrintLateInit) {
118   volatile bool check = false;
119   content::BrowserTaskEnvironment task_environment;
120   scoped_refptr<PrintJob> job(new TestPrintJob(&check));
121   job = nullptr;
122   EXPECT_TRUE(check);
123   /* TODO(maruel): Test these.
124   job->Initialize()
125   job->Observe();
126   job->GetSettingsDone();
127   job->DetachWorker();
128   job->settings();
129   job->cookie();
130   job->GetSettings(DEFAULTS, ASK_USER, nullptr);
131   job->StartPrinting();
132   job->Stop();
133   job->Cancel();
134   job->RequestMissingPages();
135   job->FlushJob(timeout);
136   job->is_job_pending();
137   job->document();
138   // Private
139   job->UpdatePrintedDocument(nullptr);
140   scoped_refptr<JobEventDetails> event_details;
141   job->OnNotifyPrintJobEvent(event_details);
142   job->OnDocumentDone();
143   job->ControlledWorkerShutdown();
144   */
145 }
146 
147 #if defined(OS_WIN)
TEST(PrintJobTest,PageRangeMapping)148 TEST(PrintJobTest, PageRangeMapping) {
149   content::BrowserTaskEnvironment task_environment;
150 
151   int page_count = 4;
152   std::vector<uint32_t> input_full = {0, 1, 2, 3};
153   std::vector<uint32_t> expected_output_full = {0, 1, 2, 3};
154   EXPECT_EQ(expected_output_full,
155             PrintJob::GetFullPageMapping(input_full, page_count));
156 
157   std::vector<uint32_t> input_12 = {1, 2};
158   std::vector<uint32_t> expected_output_12 = {kInvalidPageIndex, 1, 2,
159                                               kInvalidPageIndex};
160   EXPECT_EQ(expected_output_12,
161             PrintJob::GetFullPageMapping(input_12, page_count));
162 
163   std::vector<uint32_t> input_03 = {0, 3};
164   std::vector<uint32_t> expected_output_03 = {0, kInvalidPageIndex,
165                                               kInvalidPageIndex, 3};
166   EXPECT_EQ(expected_output_03,
167             PrintJob::GetFullPageMapping(input_03, page_count));
168 
169   std::vector<uint32_t> input_0 = {0};
170   std::vector<uint32_t> expected_output_0 = {
171       0, kInvalidPageIndex, kInvalidPageIndex, kInvalidPageIndex};
172   EXPECT_EQ(expected_output_0,
173             PrintJob::GetFullPageMapping(input_0, page_count));
174 
175   std::vector<uint32_t> input_invalid = {4, 100};
176   std::vector<uint32_t> expected_output_invalid = {
177       kInvalidPageIndex, kInvalidPageIndex, kInvalidPageIndex,
178       kInvalidPageIndex};
179   EXPECT_EQ(expected_output_invalid,
180             PrintJob::GetFullPageMapping(input_invalid, page_count));
181 }
182 #endif  // defined(OS_WIN)
183 
184 }  // namespace printing
185