[PATCH] tests/fetch: Add mirror of mirror tests

[Richard Purdie <richard.purdie@linuxfoundation.org>]

Add some tests of mirrors or mirrors to the fetcher unittests.

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/bitbake/lib/bb/tests/fetch.py b/bitbake/lib/bb/tests/fetch.py
index d3f7b6a..11b8a8c 100644
--- a/bitbake/lib/bb/tests/fetch.py
+++ b/bitbake/lib/bb/tests/fetch.py
@@ -391,6 +391,18 @@ class MirrorUriTest(FetcherTest):
         uris, uds = bb.fetch2.build_mirroruris(fetcher, mirrors, self.d)
         self.assertEqual(uris, ['file:///someotherpath/downloads/bitbake-1.0.tar.gz'])
 
+    def test_mirror_of_mirror(self):
+        # Test if mirror of a mirror works
+        mirrorvar = self.mirrorvar + " http://.*/.* http://otherdownloads.yoctoproject.org/downloads/ \n"
+        mirrorvar = mirrorvar + " http://otherdownloads.yoctoproject.org/.* http://downloads2.yoctoproject.org/downloads/ \n"
+        fetcher = bb.fetch.FetchData("http://downloads.yoctoproject.org/releases/bitbake/bitbake-1.0.tar.gz", self.d)
+        mirrors = bb.fetch2.mirror_from_string(mirrorvar)
+        uris, uds = bb.fetch2.build_mirroruris(fetcher, mirrors, self.d)
+        self.assertEqual(uris, ['file:///somepath/downloads/bitbake-1.0.tar.gz', 
+                                'file:///someotherpath/downloads/bitbake-1.0.tar.gz', 
+                                'http://otherdownloads.yoctoproject.org/downloads/bitbake-1.0.tar.gz',
+                                'http://downloads2.yoctoproject.org/downloads/bitbake-1.0.tar.gz'])
+
 
 class FetcherLocalTest(FetcherTest):
     def setUp(self):
@@ -476,6 +488,19 @@ class FetcherNetworkTest(FetcherTest):
             fetcher.download()
             self.assertEqual(os.path.getsize(self.dldir + "/bitbake-1.0.tar.gz"), 57749)
 
+        def test_fetch_mirror_of_mirror(self):
+            self.d.setVar("MIRRORS", "http://.*/.* http://invalid2.yoctoproject.org/ \n http://invalid2.yoctoproject.org/.* http://downloads.yoctoproject.org/releases/bitbake")
+            fetcher = bb.fetch.Fetch(["http://invalid.yoctoproject.org/releases/bitbake/bitbake-1.0.tar.gz"], self.d)
+            fetcher.download()
+            self.assertEqual(os.path.getsize(self.dldir + "/bitbake-1.0.tar.gz"), 57749)
+
+        def test_fetch_file_mirror_of_mirror(self):
+            self.d.setVar("MIRRORS", "http://.*/.* file:///some1where/ \n file:///some1where/.* file://some2where/ \n file://some2where/.* http://downloads.yoctoproject.org/releases/bitbake")
+            fetcher = bb.fetch.Fetch(["http://invalid.yoctoproject.org/releases/bitbake/bitbake-1.0.tar.gz"], self.d)
+            os.mkdir(self.dldir + "/some2where")
+            fetcher.download()
+            self.assertEqual(os.path.getsize(self.dldir + "/bitbake-1.0.tar.gz"), 57749)
+
         def test_fetch_premirror(self):
             self.d.setVar("PREMIRRORS", "http://.*/.* http://downloads.yoctoproject.org/releases/bitbake")
             fetcher = bb.fetch.Fetch(["http://invalid.yoctoproject.org/releases/bitbake/bitbake-1.0.tar.gz"], self.d)