Add reconfigure/wipe unit test

4 files changed, 53 insertions, 0 deletions

diff --git a/run_unittests.py b/run_unittests.py
index 5574b5f..d63a961 100755
--- a/run_unittests.py
+++ b/run_unittests.py
@@ -25,6 +25,7 @@ import shutil
 import sys
 import unittest
 import platform
+import pickle
 from itertools import chain
 from unittest import mock
 from configparser import ConfigParser
@@ -2778,6 +2779,41 @@ recommended as it is not supported on some platforms''')
         self.wipe()
         self.init(testdir, extra_args=['-Dstart_native=true'])
 
+    def test_reconfigure(self):
+        testdir = os.path.join(self.unit_test_dir, '46 reconfigure')
+        self.init(testdir, extra_args=['-Dopt1=val1'])
+        self.setconf('-Dopt2=val2')
+
+        # Set an older version to force a reconfigure from scratch
+        filename = os.path.join(self.privatedir, 'coredata.dat')
+        with open(filename, 'rb') as f:
+            obj = pickle.load(f)
+        obj.version = '0.47.0'
+        with open(filename, 'wb') as f:
+            pickle.dump(obj, f)
+
+        out = self.init(testdir, extra_args=['--reconfigure', '-Dopt3=val3'])
+        self.assertRegex(out, 'WARNING:.*Regenerating configuration from scratch')
+        self.assertRegex(out, 'opt1 val1')
+        self.assertRegex(out, 'opt2 val2')
+        self.assertRegex(out, 'opt3 val3')
+        self.assertRegex(out, 'opt4 default4')
+        self.build()
+        self.run_tests()
+
+        # Create a file in builddir and verify wipe command removes it
+        filename = os.path.join(self.builddir, 'something')
+        open(filename, 'w').close()
+        self.assertTrue(os.path.exists(filename))
+        out = self.init(testdir, extra_args=['--wipe', '-Dopt4=val4'])
+        self.assertFalse(os.path.exists(filename))
+        self.assertRegex(out, 'opt1 val1')
+        self.assertRegex(out, 'opt2 val2')
+        self.assertRegex(out, 'opt3 val3')
+        self.assertRegex(out, 'opt4 val4')
+        self.build()
+        self.run_tests()
+
 class FailureTests(BasePlatformTests):
     '''
     Tests that test failure conditions. Build files here should be dynamically
diff --git a/test cases/unit/46 reconfigure/main.c b/test cases/unit/46 reconfigure/main.c
new file mode 100644
index 0000000..25927f5
--- /dev/null
+++ b/test cases/unit/46 reconfigure/main.c
@@ -0,0 +1,4 @@
+int main(int argc, char *argv[])
+{
+  return 0;
+}
diff --git a/test cases/unit/46 reconfigure/meson.build b/test cases/unit/46 reconfigure/meson.build
new file mode 100644
index 0000000..6eaac5d
--- /dev/null
+++ b/test cases/unit/46 reconfigure/meson.build
@@ -0,0 +1,9 @@
+project('test-reconfigure', 'c')
+
+message('opt1 ' + get_option('opt1'))
+message('opt2 ' + get_option('opt2'))
+message('opt3 ' + get_option('opt3'))
+message('opt4 ' + get_option('opt4'))
+
+exe = executable('test1', 'main.c')
+test('test1', exe)
diff --git a/test cases/unit/46 reconfigure/meson_options.txt b/test cases/unit/46 reconfigure/meson_options.txt
new file mode 100644
index 0000000..728f7b7
--- /dev/null
+++ b/test cases/unit/46 reconfigure/meson_options.txt
@@ -0,0 +1,4 @@
+option('opt1', type : 'string', value : 'default1')
+option('opt2', type : 'string', value : 'default2')
+option('opt3', type : 'string', value : 'default3')
+option('opt4', type : 'string', value : 'default4')