When running tests, don't actually send http requests from version checker, but mock the http service.

src/cli/Cli.cpp

@@ -48,6 +48,7 @@ using cpputils::RandomGenerator;
 using cpputils::unique_ref;
 using cpputils::SCryptSettings;
 using cpputils::Console;
+using cpputils::HttpClient;
 using std::cout;
 using std::string;
 using std::endl;
@@ -72,8 +73,8 @@ using boost::chrono::milliseconds;
 
 namespace cryfs {
 
-    Cli::Cli(RandomGenerator &keyGenerator, const SCryptSettings &scryptSettings, shared_ptr<Console> console):
-            _keyGenerator(keyGenerator), _scryptSettings(scryptSettings), _console(console) {}
+    Cli::Cli(RandomGenerator &keyGenerator, const SCryptSettings &scryptSettings, shared_ptr<Console> console, shared_ptr<HttpClient> httpClient):
+            _keyGenerator(keyGenerator), _scryptSettings(scryptSettings), _console(console), _httpClient(httpClient) {}
 
     void Cli::_showVersion() {
         cout << "CryFS Version " << version::VERSION_STRING << endl;
@@ -89,7 +90,7 @@ namespace cryfs {
 #ifndef NDEBUG
         cout << "WARNING! This is a debug build. Performance might be slow." << endl;
 #endif
-        VersionChecker versionChecker;
+        VersionChecker versionChecker(_httpClient);
         optional<string> newestVersion = versionChecker.newestVersion();
         if (newestVersion == none) {
             cout << "Could not connect to cryfs.org to check for updates." << endl;

src/cli/Cli.h

@@ -8,12 +8,13 @@
 #include <messmer/cpp-utils/tempfile/TempFile.h>
 #include <messmer/cpp-utils/io/Console.h>
 #include <messmer/cpp-utils/random/RandomGenerator.h>
+#include <messmer/cpp-utils/network/HttpClient.h>
 #include "CallAfterTimeout.h"
 
 namespace cryfs {
     class Cli final {
     public:
-        Cli(cpputils::RandomGenerator &keyGenerator, const cpputils::SCryptSettings &scryptSettings, std::shared_ptr<cpputils::Console> console);
+        Cli(cpputils::RandomGenerator &keyGenerator, const cpputils::SCryptSettings &scryptSettings, std::shared_ptr<cpputils::Console> console, std::shared_ptr<cpputils::HttpClient> httpClient);
         int main(int argc, char *argv[]);
 
     private:
@@ -38,6 +39,7 @@ namespace cryfs {
         cpputils::RandomGenerator &_keyGenerator;
         cpputils::SCryptSettings _scryptSettings;
         std::shared_ptr<cpputils::Console> _console;
+        std::shared_ptr<cpputils::HttpClient> _httpClient;
 
         DISALLOW_COPY_AND_ASSIGN(Cli);
     };

src/cli/VersionChecker.cpp

@@ -18,10 +18,6 @@ using namespace cpputils::logging;
 
 namespace cryfs {
 
-    VersionChecker::VersionChecker()
-            :VersionChecker(make_shared<CurlHttpClient>()) {
-    }
-
     VersionChecker::VersionChecker(shared_ptr<HttpClient> httpClient)
             : _versionInfo(_getVersionInfo(std::move(httpClient))) {
     }

src/cli/VersionChecker.h

@@ -10,7 +10,6 @@
 namespace cryfs {
     class VersionChecker final {
     public:
-        VersionChecker();
         //TODO Write a cpputils::shared_ref and use it
         VersionChecker(std::shared_ptr<cpputils::HttpClient> httpClient);
 

src/main.cpp

@@ -1,14 +1,16 @@
 #include "cli/Cli.h"
 #include <messmer/cpp-utils/random/Random.h>
 #include <messmer/cpp-utils/crypto/kdf/Scrypt.h>
+#include <messmer/cpp-utils/network/CurlHttpClient.h>
 
 using namespace cryfs;
 using cpputils::Random;
 using cpputils::SCrypt;
+using cpputils::CurlHttpClient;
 using std::make_shared;
 using cpputils::IOStreamConsole;
 
 int main(int argc, char *argv[]) {
     auto &keyGenerator = Random::OSRandom();
-    return Cli(keyGenerator, SCrypt::DefaultSettings, make_shared<IOStreamConsole>()).main(argc, argv);
+    return Cli(keyGenerator, SCrypt::DefaultSettings, make_shared<IOStreamConsole>(), make_shared<CurlHttpClient>()).main(argc, argv);
 }

test/cli/testutils/CliTest.h

@@ -7,8 +7,10 @@
 #include <messmer/cpp-utils/tempfile/TempDir.h>
 #include <messmer/cpp-utils/tempfile/TempFile.h>
 #include "../../../src/cli/Cli.h"
+#include "../../../src/cli/VersionChecker.h"
 #include <messmer/cpp-utils/logging/logging.h>
 #include <messmer/cpp-utils/process/subprocess.h>
+#include <messmer/cpp-utils/network/FakeHttpClient.h>
 #include "../../testutils/MockConsole.h"
 
 class CliTest : public ::testing::Test {
@@ -23,6 +25,12 @@ public:
     cpputils::TempFile configfile;
     std::shared_ptr<MockConsole> console;
 
+    std::shared_ptr<cpputils::HttpClient> _httpClient() {
+        std::shared_ptr<cpputils::FakeHttpClient> httpClient = std::make_shared<cpputils::FakeHttpClient>();
+        httpClient->addWebsite("https://www.cryfs.org/version_info.json", "{\"version_info\":{\"current\":\"0.8.5\"}}");
+        return httpClient;
+    }
+
     void run(std::vector<const char*> args) {
         std::vector<char*> _args;
         _args.reserve(args.size()+1);
@@ -31,7 +39,7 @@ public:
             _args.push_back(const_cast<char*>(arg));
         }
         auto &keyGenerator = cpputils::Random::PseudoRandom();
-        cryfs::Cli(keyGenerator, cpputils::SCrypt::TestSettings, console).main(_args.size(), _args.data());
+        cryfs::Cli(keyGenerator, cpputils::SCrypt::TestSettings, console, _httpClient()).main(_args.size(), _args.data());
     }
 
     void EXPECT_EXIT_WITH_HELP_MESSAGE(std::vector<const char*> args, const std::string &message = "") {