Fix provisioning tests and add test for tns run without devices

Author: dtopuzov

tests/build/ios/build_ios_provision_tests.py

@@ -46,14 +46,14 @@ def test_200_build_ios_list_provisions(self):
         assert PROVISIONING in output
         assert DEVELOPMENT_TEAM in output
 
-    @unittest.skipIf(float(Xcode.get_version()) >= 9.0,
-                     "Skip on Xcode9 because of https://github.com/NativeScript/nativescript-cli/issues/3046")
+    @unittest.skipIf("9." in Xcode.get_version(),
+                     "Skip on Xcode 9 because of https://github.com/NativeScript/nativescript-cli/issues/3046")
     def test_201_build_ios_with_provision(self):
         build_attributes = {"--path": self.app_name, "--forDevice": "", "--release": "", "--provision": PROVISIONING}
         Tns.build_ios(attributes=build_attributes)
 
-    @unittest.skipIf(float(Xcode.get_version()) >= 9.0,
-                     "Skip on Xcode9 because of https://github.com/NativeScript/nativescript-cli/issues/3046")
+    @unittest.skipIf("9." in Xcode.get_version(),
+                     "Skip on Xcode 9 because of https://github.com/NativeScript/nativescript-cli/issues/3046")
     def test_202_build_ios_with_distribution_provision(self):
         build_attributes = {"--path": self.app_name, "--forDevice": "", "--release": "",
                             "--provision": DISTRIBUTION_PROVISIONING}

tests/simulator/run_ios_tests.py

@@ -13,6 +13,7 @@
 
 import os
 import time
+import unittest
 
 import nose
 from flaky import flaky
@@ -367,7 +368,7 @@ def test_390_tns_run_ios_should_warn_if_package_ids_do_not_match(self):
         str2 = "<string>${EXECUTABLE_NAME}</string>" \
                "<key>CFBundleIdentifier</key>" \
                "<string>org.nativescript.myapp</string>"
-        info = os.path.join(self.app_name, 'app', 'App_Resources','iOS','Info.plist')
+        info = os.path.join(self.app_name, 'app', 'App_Resources', 'iOS', 'Info.plist')
         File.replace(file_path=info, str1=str1, str2=str2)
         output = Tns.run_ios(attributes={'--path': self.app_name, '--justlaunch': ''})
         assert "[WARNING]: The CFBundleIdentifier key inside the 'Info.plist' will be overriden" in output
@@ -389,3 +390,11 @@ def test_404_run_on_invalid_device_id(self):
                              assert_success=False)
         assert cannot_resolve_device in output
         assert list_devices in output
+
+    @unittest.skipIf(Device.get_count(platform=Platform.IOS) > 0, "Valid only if there are no devices.")
+    def test_410_run_without_platform_and_without_devices(self):
+        Simulator.stop()
+        Tns.create_app(self.app_name, update_modules=True)
+        output = Tns.run(attributes={'--path': self.app_name, '--justlaunch': ''}, assert_success=False)
+        assert "Unable to find applicable devices to execute operation " \
+               "and unable to start emulator when platform is not specified" in output