| // Copyright 2021 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 "printing/backend/print_backend.h" |
| |
| #include "base/memory/scoped_refptr.h" |
| #include "base/test/values_test_util.h" |
| #include "base/values.h" |
| #include "printing/mojom/print.mojom.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace printing { |
| |
| // PrintBackendTest makes use of a real print backend instance, and thus will |
| // interact with printer drivers installed on a system. This can be useful on |
| // machines which a developer has control over the driver installations, but is |
| // less useful on bots which are managed by the infra team. |
| // These tests are intended to be run manually by developers using the |
| // --run-manual flag. |
| class PrintBackendTest : public testing::Test { |
| public: |
| void SetUp() override { |
| print_backend_ = PrintBackend::CreateInstance(/*locale=*/""); |
| } |
| |
| PrintBackend* GetPrintBackend() { return print_backend_.get(); } |
| |
| private: |
| scoped_refptr<PrintBackend> print_backend_; |
| }; |
| |
| // Check behavior of `EnumeratePrinters()`. At least one of the tests |
| // {EnumeratePrintersSomeInstalled, EnumeratePrintersNoneInstalled} should |
| // fail, since a single machine can't have both some and no printers installed. |
| // A developer running these manually can verify that the appropriate test is |
| // passing for the given state of installed printer drivers on the system being |
| // checked. |
| TEST_F(PrintBackendTest, MANUAL_EnumeratePrintersSomeInstalled) { |
| PrinterList printer_list; |
| |
| EXPECT_EQ(GetPrintBackend()->EnumeratePrinters(&printer_list), |
| mojom::ResultCode::kSuccess); |
| EXPECT_FALSE(printer_list.empty()); |
| |
| DLOG(WARNING) << "Number of printers found: " << printer_list.size(); |
| for (const auto& printer : printer_list) { |
| DLOG(WARNING) << "Found printer: `" << printer.printer_name << "`"; |
| } |
| } |
| |
| TEST_F(PrintBackendTest, MANUAL_EnumeratePrintersNoneInstalled) { |
| PrinterList printer_list; |
| |
| EXPECT_EQ(GetPrintBackend()->EnumeratePrinters(&printer_list), |
| mojom::ResultCode::kSuccess); |
| EXPECT_TRUE(printer_list.empty()); |
| } |
| |
| #if BUILDFLAG(IS_WIN) |
| |
| // This test is for the XPS API that read the XML capabilities of a |
| // specific printer. |
| TEST_F(PrintBackendTest, MANUAL_GetXmlPrinterCapabilitiesForXpsDriver) { |
| PrinterList printer_list; |
| EXPECT_EQ(GetPrintBackend()->EnumeratePrinters(&printer_list), |
| mojom::ResultCode::kSuccess); |
| for (const auto& printer : printer_list) { |
| std::string capabilities; |
| EXPECT_EQ(GetPrintBackend()->GetXmlPrinterCapabilitiesForXpsDriver( |
| printer.printer_name, capabilities), |
| mojom::ResultCode::kSuccess); |
| } |
| } |
| |
| TEST_F(PrintBackendTest, ParseValueForXpsPrinterCapabilities) { |
| // Convert a JSON string into a base::Value. |
| // Since parsing XML data to base::Value can not be done here, |
| // use JSONReader to create a base::Value. The JSON string |
| // in this test is based on the XML data returned by |
| // `GetXmlPrinterCapabilitiesForXpsDriver` API and processed by data_decoder |
| // service. |
| // This is the correct format of XPS "PageOutputQuality" capability. |
| base::Value correct_capabilities = base::test::ParseJson(R"({ |
| "type": "element", |
| "tag": "psf:PrintCapabilities", |
| "children": [ |
| { |
| "type": "element", |
| "tag": "psf:Feature", |
| "attributes": { |
| "name": "psk:PageOutputQuality" |
| }, |
| "children": [ |
| { |
| "type": "element", |
| "tag": "psf:Feature", |
| "attributes": { |
| "name": "psk:PageOutputQuality" |
| } |
| }, |
| { |
| "type": "element", |
| "tag": "psf:Property", |
| "attributes": { |
| "name": "psf:SelectionType" |
| }, |
| "children": [ |
| { |
| "type": "element", |
| "tag": "psf:Value", |
| "attributes": { |
| "xsi:type": "xsd:QName" |
| }, |
| "children": [ |
| { |
| "type": "text", |
| "text": "psk:PickOne" |
| } |
| ] |
| } |
| ] |
| }, |
| { |
| "type": "element", |
| "tag": "psf:Property", |
| "attributes": { |
| "name": "psf:DisplayName" |
| }, |
| "children": [ |
| { |
| "type": "element", |
| "tag": "psf:Value", |
| "attributes": { |
| "xsi:type": "xsd:string" |
| }, |
| "children": [ |
| { |
| "type": "text", |
| "text": "Quality" |
| } |
| ] |
| } |
| ] |
| }, |
| { |
| "type": "element", |
| "tag": "psf:Option", |
| "attributes": { |
| "name": "ns0000:Draft", |
| "constrain": "psk:None" |
| }, |
| "children": [ |
| { |
| "type": "element", |
| "tag": "psf:Property", |
| "attributes": { |
| "name": "psf:DisplayName" |
| }, |
| "children": [ |
| { |
| "type": "element", |
| "tag": "psf:Value", |
| "attributes": { |
| "xsi:type": "xsd:string" |
| }, |
| "children": [ |
| { |
| "type": "text", |
| "text": "Draft" |
| } |
| ] |
| } |
| ] |
| } |
| ] |
| }, |
| { |
| "type": "element", |
| "tag": "psf:Option", |
| "attributes": { |
| "name": "ns0000:Advanced", |
| "constrain": "psk:None" |
| }, |
| "children": [ |
| { |
| "type": "element", |
| "tag": "psf:Property", |
| "attributes": { |
| "name": "psf:DisplayName" |
| }, |
| "children": [ |
| { |
| "type": "element", |
| "tag": "psf:Value", |
| "attributes": { |
| "xsi:type": "xsd:string" |
| }, |
| "children": [ |
| { |
| "type": "text", |
| "text": "Advanced" |
| } |
| ] |
| } |
| ] |
| } |
| ] |
| }, |
| { |
| "type": "element", |
| "tag": "psf:Option", |
| "attributes": { |
| "name": "psk:Normal" |
| } |
| } |
| ] |
| }, |
| { |
| "type": "element", |
| "tag": "psf:Feature", |
| "attributes": { |
| "name": "psk:PageOutputColor" |
| } |
| } |
| ] |
| } |
| )"); |
| PrinterSemanticCapsAndDefaults printer_info; |
| |
| // Expect that parsing XPS Printer Capabilities is successful. |
| // After parsing, `printer_info` will have 2 capabilities: "PageOutputQuality" |
| // and "PageOutputColor". |
| EXPECT_EQ(GetPrintBackend()->ParseValueForXpsPrinterCapabilities( |
| correct_capabilities, &printer_info), |
| mojom::ResultCode::kSuccess); |
| } |
| |
| TEST_F(PrintBackendTest, |
| ParseCorrectPageOutputQualityForXpsPrinterCapabilities) { |
| // This is the correct format of XPS "PageOutputQuality" capability. |
| base::Value correct_capabilities = base::test::ParseJson(R"({ |
| "type": "element", |
| "tag": "psf:PrintCapabilities", |
| "children": [ |
| { |
| "type": "element", |
| "tag": "psf:Feature", |
| "attributes": { |
| "name": "psk:PageOutputQuality" |
| }, |
| "children": [ |
| { |
| "type": "element", |
| "tag": "psf:Feature", |
| "attributes": { |
| "name": "psk:PageOutputQuality" |
| } |
| }, |
| { |
| "type": "element", |
| "tag": "psf:Property", |
| "attributes": { |
| "name": "psf:SelectionType" |
| }, |
| "children": [ |
| { |
| "type": "element", |
| "tag": "psf:Value", |
| "attributes": { |
| "xsi:type": "xsd:QName" |
| }, |
| "children": [ |
| { |
| "type": "text", |
| "text": "psk:PickOne" |
| } |
| ] |
| } |
| ] |
| }, |
| { |
| "type": "element", |
| "tag": "psf:Property", |
| "attributes": { |
| "name": "psf:DisplayName" |
| }, |
| "children": [ |
| { |
| "type": "element", |
| "tag": "psf:Value", |
| "attributes": { |
| "xsi:type": "xsd:string" |
| }, |
| "children": [ |
| { |
| "type": "text", |
| "text": "Quality" |
| } |
| ] |
| } |
| ] |
| }, |
| { |
| "type": "element", |
| "tag": "psf:Option", |
| "attributes": { |
| "name": "ns0000:Draft", |
| "constrain": "psk:None" |
| }, |
| "children": [ |
| { |
| "type": "element", |
| "tag": "psf:Property", |
| "attributes": { |
| "name": "psf:DisplayName" |
| }, |
| "children": [ |
| { |
| "type": "element", |
| "tag": "psf:Value", |
| "attributes": { |
| "xsi:type": "xsd:string" |
| }, |
| "children": [ |
| { |
| "type": "text", |
| "text": "Draft" |
| } |
| ] |
| } |
| ] |
| } |
| ] |
| }, |
| { |
| "type": "element", |
| "tag": "psf:Option", |
| "attributes": { |
| "name": "ns0000:Advanced", |
| "constrain": "psk:None" |
| }, |
| "children": [ |
| { |
| "type": "element", |
| "tag": "psf:Property", |
| "attributes": { |
| "name": "psf:DisplayName" |
| }, |
| "children": [ |
| { |
| "type": "element", |
| "tag": "psf:Value", |
| "attributes": { |
| "xsi:type": "xsd:string" |
| }, |
| "children": [ |
| { |
| "type": "text", |
| "text": "Advanced" |
| } |
| ] |
| } |
| ] |
| } |
| ] |
| }, |
| { |
| "type": "element", |
| "tag": "psf:Option", |
| "attributes": { |
| "name": "psk:Normal" |
| } |
| } |
| ] |
| }, |
| { |
| "type": "element", |
| "tag": "psf:Feature", |
| "attributes": { |
| "name": "psk:PageOutputColor" |
| } |
| } |
| ] |
| } |
| )"); |
| PrinterSemanticCapsAndDefaults printer_info; |
| |
| // Expect that parsing XPS Printer Capabilities is successful. |
| // After parsing, `printer_info` will have 2 capabilities: "PageOutputQuality" |
| // and "PageOutputColor". |
| EXPECT_EQ(GetPrintBackend()->ParseValueForXpsPrinterCapabilities( |
| correct_capabilities, &printer_info), |
| mojom::ResultCode::kSuccess); |
| |
| // After parsing, `PageOutputQuality` of `printer_info` is expected to have 3 |
| // options listed in `kPageOutputQualities`. |
| const PageOutputQualityAttributes kPageOutputQualities = { |
| PageOutputQualityAttribute("Draft", "ns0000:Draft"), |
| PageOutputQualityAttribute("Advanced", "ns0000:Advanced"), |
| PageOutputQualityAttribute("", "psk:Normal")}; |
| EXPECT_EQ(printer_info.page_output_quality->qualities, kPageOutputQualities); |
| } |
| |
| TEST_F(PrintBackendTest, |
| ParseIncorrectPageOutputQualityForXpsPrinterCapabilities) { |
| // This string below is incorrect format of XPS `PageOutputQuality` capability |
| // when the property inside option ns0000:Draft does not have any value. |
| base::Value incorrect_capabilities = base::test::ParseJson(R"({ |
| "type": "element", |
| "tag": "psf:PrintCapabilities", |
| "children": [ |
| { |
| "type": "element", |
| "tag": "psf:Feature", |
| "attributes": { |
| "name": "psk:PageOutputQuality" |
| }, |
| "children": [ |
| { |
| "type": "element", |
| "tag": "psf:Feature", |
| "attributes": { |
| "name": "psk:PageOutputQuality" |
| } |
| }, |
| { |
| "type": "element", |
| "tag": "psf:Property", |
| "attributes": { |
| "name": "psf:SelectionType" |
| }, |
| "children": [ |
| { |
| "type": "element", |
| "tag": "psf:Value", |
| "attributes": { |
| "xsi:type": "xsd:QName" |
| }, |
| "children": [ |
| { |
| "type": "text", |
| "text": "psk:PickOne" |
| } |
| ] |
| } |
| ] |
| }, |
| { |
| "type": "element", |
| "tag": "psf:Property", |
| "attributes": { |
| "name": "psf:DisplayName" |
| }, |
| "children": [ |
| { |
| "type": "element", |
| "tag": "psf:Value", |
| "attributes": { |
| "xsi:type": "xsd:string" |
| }, |
| "children": [ |
| { |
| "type": "text", |
| "text": "Quality" |
| } |
| ] |
| } |
| ] |
| }, |
| { |
| "type": "element", |
| "tag": "psf:Option", |
| "attributes": { |
| "name": "ns0000:Draft", |
| "constrain": "psk:None" |
| }, |
| "children": [ |
| { |
| "type": "element", |
| "tag": "psf:Property", |
| "attributes": { |
| "name": "psf:DisplayName" |
| } |
| } |
| ] |
| } |
| ] |
| } |
| ] |
| } |
| )"); |
| PrinterSemanticCapsAndDefaults printer_info; |
| EXPECT_EQ(GetPrintBackend()->ParseValueForXpsPrinterCapabilities( |
| incorrect_capabilities, &printer_info), |
| mojom::ResultCode::kFailed); |
| } |
| |
| #endif // BUILDFLAG(IS_WIN) |
| |
| } // namespace printing |
