binman: Add tests for importlib availability

[oweals/u-boot.git] / tools / binman / entry_test.py

diff --git a/tools/binman/entry_test.py b/tools/binman/entry_test.py
index 8a9ae017f03e9a0fefb1d4273d2d86b6e18c7a14..789b26fd9f55c37e6f33489a2eb306adafae957b 100644 (file)
--- a/tools/binman/entry_test.py
+++ b/tools/binman/entry_test.py
@@ -7,18 +7,48 @@
 # Test for the Entry class
 
 import collections
+import os
+import sys
 import unittest
 
-import entry
+import fdt
+import fdt_util
+import tools
 
 class TestEntry(unittest.TestCase):
+    def GetNode(self):
+        binman_dir = os.path.dirname(os.path.realpath(sys.argv[0]))
+        tools.PrepareOutputDir(None)
+        fname = fdt_util.EnsureCompiled(
+            os.path.join(binman_dir,('test/05_simple.dts')))
+        dtb = fdt.FdtScan(fname)
+        return dtb.GetNode('/binman/u-boot')
+
+    def test1EntryNoImportLib(self):
+        """Test that we can import Entry subclassess successfully"""
+
+        sys.modules['importlib'] = None
+        global entry
+        import entry
+        entry.Entry.Create(None, self.GetNode(), 'u-boot')
+
+    def test2EntryImportLib(self):
+        del sys.modules['importlib']
+        global entry
+        reload(entry)
+        entry.Entry.Create(None, self.GetNode(), 'u-boot-spl')
+        tools._RemoveOutputDir()
+        del entry
+
     def testEntryContents(self):
         """Test the Entry bass class"""
+        import entry
         base_entry = entry.Entry(None, None, None, read_node=False)
         self.assertEqual(True, base_entry.ObtainContents())
 
     def testUnknownEntry(self):
         """Test that unknown entry types are detected"""
+        import entry
         Node = collections.namedtuple('Node', ['name', 'path'])
         node = Node('invalid-name', 'invalid-path')
         with self.assertRaises(ValueError) as e: