1 files changed, 68 insertions, 0 deletions

diff --git a/meta/lib/oe/tests/test_license.py b/meta/lib/oe/tests/test_license.py
new file mode 100644
index 0000000000..c388886184
--- /dev/null
+++ b/meta/lib/oe/tests/test_license.py
@@ -0,0 +1,68 @@
+import unittest
+import oe.license
+
+class SeenVisitor(oe.license.LicenseVisitor):
+    def __init__(self):
+        self.seen = []
+        oe.license.LicenseVisitor.__init__(self)
+
+    def visit_Str(self, node):
+        self.seen.append(node.s)
+
+class TestSingleLicense(unittest.TestCase):
+    licenses = [
+        "GPLv2",
+        "LGPL-2.0",
+        "Artistic",
+        "MIT",
+        "GPLv3+",
+        "FOO_BAR",
+    ]
+    invalid_licenses = ["GPL/BSD"]
+
+    @staticmethod
+    def parse(licensestr):
+        visitor = SeenVisitor()
+        visitor.visit_string(licensestr)
+        return visitor.seen
+
+    def test_single_licenses(self):
+        for license in self.licenses:
+            licenses = self.parse(license)
+            self.assertListEqual(licenses, [license])
+
+    def test_invalid_licenses(self):
+        for license in self.invalid_licenses:
+            with self.assertRaises(oe.license.InvalidLicense) as cm:
+                self.parse(license)
+            self.assertEqual(cm.exception.license, license)
+
+class TestSimpleCombinations(unittest.TestCase):
+    tests = {
+        "FOO&BAR": ["FOO", "BAR"],
+        "BAZ & MOO": ["BAZ", "MOO"],
+        "ALPHA|BETA": ["ALPHA"],
+        "BAZ&MOO|FOO": ["FOO"],
+        "FOO&BAR|BAZ": ["FOO", "BAR"],
+    }
+    preferred = ["ALPHA", "FOO", "BAR"]
+
+    def test_tests(self):
+        def choose(a, b):
+            if all(lic in self.preferred for lic in b):
+                return b
+            else:
+                return a
+
+        for license, expected in self.tests.items():
+            licenses = oe.license.flattened_licenses(license, choose)
+            self.assertListEqual(licenses, expected)
+
+class TestComplexCombinations(TestSimpleCombinations):
+    tests = {
+        "FOO & (BAR | BAZ)&MOO": ["FOO", "BAR", "MOO"],
+        "(ALPHA|(BETA&THETA)|OMEGA)&DELTA": ["OMEGA", "DELTA"],
+        "((ALPHA|BETA)&FOO)|BAZ": ["BETA", "FOO"],
+        "(GPL-2.0|Proprietary)&BSD-4-clause&MIT": ["GPL-2.0", "BSD-4-clause", "MIT"],
+    }
+    preferred = ["BAR", "OMEGA", "BETA", "GPL-2.0"]