Add extensible SDK update test

index a56ad5e..41e03d6 100644
@@ -88,30 +88,20 @@ def testsdkext_main(d):
     import os
     import oeqa.sdkext
     import subprocess
-    from oeqa.oetest import SDKTestContext, SDKExtTestContext
     from bb.utils import export_proxies
+    from oeqa.oetest import SDKTestContext, SDKExtTestContext
+    from oeqa.utils import avoid_paths_in_environ
+
 
     # extensible sdk use network
     export_proxies(d)
 
     # extensible sdk shows a warning if found bitbake in the path
     # because can cause problems so clean it
-    new_path = ''
     paths_to_avoid = ['bitbake/bin', 'poky/scripts',
                        d.getVar('STAGING_DIR', True),
                        d.getVar('BASE_WORKDIR', True)]
-    for p in os.environ['PATH'].split(':'):
-       avoid = False
-       for pa in paths_to_avoid:
-           if pa in p:
-              avoid = True
-              break
-       if avoid:
-           continue
-
-       new_path = new_path + p + ':'
-    new_path = new_path[:-1]
-    os.environ['PATH'] = new_path
+    os.environ['PATH'] = avoid_paths_in_environ(paths_to_avoid)
 
     pn = d.getVar("PN", True)
     bb.utils.mkdirhier(d.getVar("TEST_LOG_SDKEXT_DIR", True))

index 2260046..8f706f3 100644
@@ -13,3 +13,26 @@ class CommandError(Exception):
     def __str__(self):
         return "Command '%s' returned non-zero exit status %d with output: %s" % (self.cmd, self.retcode, self.output)
 
+def avoid_paths_in_environ(paths):
+    """
+        Searches for every path in os.environ['PATH']
+        if found remove it.
+
+        Returns new PATH without avoided PATHs.
+    """
+    import os
+
+    new_path = ''
+    for p in os.environ['PATH'].split(':'):
+       avoid = False
+       for pa in paths:
+           if pa in p:
+              avoid = True
+              break
+       if avoid:
+           continue
+
+       new_path = new_path + p + ':'
+
+    new_path = new_path[:-1]
+    return new_path

index 41e03d6..157077e 100644
@@ -96,11 +96,10 @@ def testsdkext_main(d):
     # extensible sdk use network
     export_proxies(d)
 
-    # extensible sdk shows a warning if found bitbake in the path
-    # because can cause problems so clean it
-    paths_to_avoid = ['bitbake/bin', 'poky/scripts',
-                       d.getVar('STAGING_DIR', True),
-                       d.getVar('BASE_WORKDIR', True)]
+    # extensible sdk can be contaminated if native programs are
+    # in PATH, i.e. use perl-native instead of eSDK one.
+    paths_to_avoid = [d.getVar('STAGING_DIR', True),
+                      d.getVar('BASE_WORKDIR', True)]
     os.environ['PATH'] = avoid_paths_in_environ(paths_to_avoid)
 
     pn = d.getVar("PN", True)

index 3e2ea0f..3809ed7 100644
@@ -21,6 +21,7 @@ import logging
 import oeqa.runtime
 import oeqa.sdkext
 from oeqa.utils.decorators import LogResults, gettag, getResults
+from oeqa.utils import avoid_paths_in_environ
 
 logger = logging.getLogger("BitBake")
 

@@ -128,7 +129,16 @@ class oeSDKTest(oeTest):
         return subprocess.check_output(". %s > /dev/null; %s;" % (self.tc.sdkenv, cmd), shell=True)
 
 class oeSDKExtTest(oeSDKTest):
-    pass
+    def _run(self, cmd):
+        # extensible sdk shows a warning if found bitbake in the path
+        # because can cause contamination, i.e. use devtool from
+        # poky/scripts instead of eSDK one.
+        env = os.environ.copy()
+        paths_to_avoid = ['bitbake/bin', 'poky/scripts']
+        env['PATH'] = avoid_paths_in_environ(paths_to_avoid)
+
+        return subprocess.check_output(". %s > /dev/null;"\
+            " %s;" % (self.tc.sdkenv, cmd), shell=True, env=env)
 
 def getmodule(pos=2):
     # stack returns a list of tuples containg frame information

index 157077e..f4dc2c3 100644
@@ -22,7 +22,7 @@ def run_test_context(CTestContext, d, testdir, tcname, pn, *args):
     targets = glob.glob(d.expand(testdir + "/tc/environment-setup-*"))
     for sdkenv in targets:
         bb.plain("Testing %s" % sdkenv)
-        tc = CTestContext(d, testdir, sdkenv, args)
+        tc = CTestContext(d, testdir, sdkenv, tcname, args)
 
         # this is a dummy load of tests
         # we are doing that to find compile errors in the tests themselves

index 3809ed7..fc1e8b5 100644
@@ -386,11 +386,12 @@ class ImageTestContext(TestContext):
         setattr(oeRuntimeTest, "pscmd", "ps -ef" if oeTest.hasPackage("procps") else "ps")
 
 class SDKTestContext(TestContext):
-    def __init__(self, d, sdktestdir, sdkenv, *args):
+    def __init__(self, d, sdktestdir, sdkenv, tcname, *args):
         super(SDKTestContext, self).__init__(d)
 
         self.sdktestdir = sdktestdir
         self.sdkenv = sdkenv
+        self.tcname = tcname
 
         if not hasattr(self, 'target_manifest'):
             self.target_manifest = d.getVar("SDK_TARGET_MANIFEST", True)

@@ -419,7 +420,7 @@ class SDKTestContext(TestContext):
                 "auto").split() if t != "auto"]
 
 class SDKExtTestContext(SDKTestContext):
-    def __init__(self, d, sdktestdir, sdkenv, *args):
+    def __init__(self, d, sdktestdir, sdkenv, tcname, *args):
         self.target_manifest = d.getVar("SDK_EXT_TARGET_MANIFEST", True)
         self.host_manifest = d.getVar("SDK_EXT_HOST_MANIFEST", True)
         if args:

@@ -427,7 +428,7 @@ class SDKExtTestContext(SDKTestContext):
         else:
             self.cm = False
 
-        super(SDKExtTestContext, self).__init__(d, sdktestdir, sdkenv)
+        super(SDKExtTestContext, self).__init__(d, sdktestdir, sdkenv, tcname)
 
         self.sdkextfilesdir = os.path.join(os.path.dirname(os.path.abspath(
             oeqa.sdkext.__file__)), "files")

new file mode 100644
index 0000000..16f5b10
@@ -0,0 +1,39 @@
+import os
+import shutil
+import subprocess
+
+from oeqa.oetest import oeSDKExtTest
+from oeqa.utils.httpserver import HTTPService
+
+class SdkUpdateTest(oeSDKExtTest):
+
+    @classmethod
+    def setUpClass(self):
+        self.publish_dir = os.path.join(self.tc.sdktestdir, 'esdk_publish')
+        if os.path.exists(self.publish_dir):
+            shutil.rmtree(self.publish_dir)
+        os.mkdir(self.publish_dir)
+
+        tcname_new = self.tc.d.expand(
+            "${SDK_DEPLOY}/${TOOLCHAINEXT_OUTPUTNAME}-new.sh")
+        if not os.path.exists(tcname_new):
+            tcname_new = self.tc.tcname
+
+        cmd = 'oe-publish-sdk %s %s' % (tcname_new, self.publish_dir)
+        subprocess.check_output(cmd, shell=True)
+
+        self.http_service = HTTPService(self.publish_dir)
+        self.http_service.start()
+
+        self.http_url = "http://127.0.0.1:%d" % self.http_service.port
+
+    def test_sdk_update_http(self):
+        output = self._run("devtool sdk-update \"%s\"" % self.http_url)
+
+#    def test_sdk_update_local(self):
+#        output = self._run("devtool sdk-update \"%s\"" % self.publish_dir)
+
+    @classmethod
+    def tearDownClass(self):
+        self.http_service.stop()
+        shutil.rmtree(self.publish_dir)