iOS: Move app URL gathering from devicectl to a function

And add a test to document what we expect from devicectl.

Change-Id: I2f5312ebadef60239b77308acb7114f1d55143b4
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

src/plugins/ios/devicectlutils.cpp

@@ -83,4 +83,17 @@ expected_str<QMap<QString, QString>> parseDeviceInfo(const QByteArray &rawOutput
     return make_unexpected(QLatin1String("Device is not handled by devicectl"));
 }
 
+Utils::expected_str<QUrl> parseAppInfo(const QByteArray &rawOutput, const QString &bundleIdentifier)
+{
+    const Utils::expected_str<QJsonValue> result = parseDevicectlResult(rawOutput);
+    if (!result)
+        return make_unexpected(result.error());
+    const QJsonArray apps = (*result)["apps"].toArray();
+    for (const QJsonValue &app : apps) {
+        if (app["bundleIdentifier"].toString() == bundleIdentifier)
+            return QUrl(app["url"].toString());
+    }
+    return {};
+}
+
 } // namespace Ios::Internal

src/plugins/ios/devicectlutils.h

@@ -22,5 +22,6 @@ const char vYes[] = "YES";
 Utils::expected_str<QJsonValue> parseDevicectlResult(const QByteArray &rawOutput);
 Utils::expected_str<QMap<QString, QString>> parseDeviceInfo(const QByteArray &rawOutput,
                                                             const QString &deviceUsbId);
+Utils::expected_str<QUrl> parseAppInfo(const QByteArray &rawOutput, const QString &bundleIdentifier);
 
 } // namespace Ios::Internal

src/plugins/ios/iosrunner.cpp

@@ -146,19 +146,12 @@ GroupItem DeviceCtlRunner::findApp(const QString &bundleIdentifier, Storage<AppI
             reportFailure(Tr::tr("Failed to run devicectl: %1.").arg(process.errorString()));
             return DoneResult::Error;
         }
-        const Utils::expected_str<QJsonValue> resultValue = parseDevicectlResult(
-            process.rawStdOut());
-        if (resultValue) {
-            const QJsonArray apps = (*resultValue)["apps"].toArray();
-            for (const QJsonValue &app : apps) {
-                if (app["bundleIdentifier"].toString() == bundleIdentifier) {
-                    appInfo->pathOnDevice = QUrl(app["url"].toString());
-                    break;
-                }
-            }
+        const expected_str<QUrl> pathOnDevice = parseAppInfo(process.rawStdOut(), bundleIdentifier);
+        if (pathOnDevice) {
+            appInfo->pathOnDevice = *pathOnDevice;
             return DoneResult::Success;
         }
-        reportFailure(resultValue.error());
+        reportFailure(pathOnDevice.error());
         return DoneResult::Error;
     };
     return ProcessTask(onSetup, onDone);

tests/auto/ios/devicectlutils/tst_devicectlutils.cpp

@@ -17,6 +17,8 @@ private slots:
 
     void parseDeviceInfo_data();
     void parseDeviceInfo();
+
+    void parseAppInfo();
 };
 
 void tst_Devicectlutils::parseError_data()
@@ -305,6 +307,62 @@ void tst_Devicectlutils::parseDeviceInfo()
     }
 }
 
+void tst_Devicectlutils::parseAppInfo()
+{
+    const QByteArray data(R"raw(
+{
+  "info" : {
+    "arguments" : [
+      "devicectl",
+      "device",
+      "info",
+      "apps",
+      "--device",
+      "00000000-0000000000000000",
+      "--quiet",
+      "--json-output",
+      "-"
+    ],
+    "commandType" : "devicectl.device.info.apps",
+    "environment" : {
+      "TERM" : "xterm-256color"
+    },
+    "jsonVersion" : 2,
+    "outcome" : "success",
+    "version" : "355.7.7"
+  },
+  "result" : {
+    "apps" : [
+      {
+        "appClip" : false,
+        "builtByDeveloper" : true,
+        "bundleIdentifier" : "org.iuehrg.cmake-widgets",
+        "bundleVersion" : "0.1",
+        "defaultApp" : false,
+        "hidden" : false,
+        "internalApp" : false,
+        "name" : "cmake_widgets",
+        "removable" : true,
+        "url" : "file:///private/var/containers/Bundle/Application/FAEC04B7-41E6-4A3C-952E-D89792DA053C/cmake_widgets.app/",
+        "version" : "0.1"
+      }
+    ],
+    "defaultAppsIncluded" : false,
+    "deviceIdentifier" : "00000000-0000-0000-0000-000000000000",
+    "hiddenAppsIncluded" : false,
+    "internalAppsIncluded" : false,
+    "removableAppsIncluded" : true
+  }
+})raw");
+
+    const Utils::expected_str<QUrl> result
+        = Ios::Internal::parseAppInfo(data, "org.iuehrg.cmake-widgets");
+    QVERIFY(result);
+    QCOMPARE(*result,
+             QUrl("file:///private/var/containers/Bundle/Application/"
+                  "FAEC04B7-41E6-4A3C-952E-D89792DA053C/cmake_widgets.app/"));
+}
+
 QTEST_GUILESS_MAIN(tst_Devicectlutils)
 
 #include "tst_devicectlutils.moc"