Check that new version is newer than current

1 files changed, 26 insertions, 4 deletions

diff --git a/bumper.yarn b/bumper.yarn
index 230dda7..5f2c3a5 100644
--- a/bumper.yarn
+++ b/bumper.yarn
@@ -55,10 +55,16 @@ also stored.
 
     GIVEN Python project foo, version controlled by git
     AND a file foolib/version.py in foo containing 
-    ... "__version__ = '0.0'\n__version_info__ = (0, 0)\n"
+    ... "__version__ = '1.0'\n__version_info__ = (1, 0)\n"
     AND project foo has Debian packaging
 
-We run Bumper, and it does several things.
+We run Bumper to update version numbers and tag a new release. We
+first try with a version that's older than the current one.
+
+    WHEN user attempts to run "bumper 0.1" in the foo directory
+    THEN bumper exits with code 1
+
+We now run Bumper properly, and it does its various things.
 
     WHEN user runs "bumper 3.2" in the foo directory
 
@@ -125,7 +131,7 @@ for Bumper.
     dirname = yarnstep.datadir(project)
     yarnstep.write_file(os.path.join(dirname, 'setup.py'), '''
     from distutils.core import setup
-    setup(name='{project}')
+    setup(name='{project}', version='1.0')
     '''.format(project=project))
     yarnstep.write_file(os.path.join(dirname, 'NEWS'), '''
     NEWS for {project}
@@ -156,11 +162,27 @@ for Bumper.
     dirname = yarnstep.datadir(project)
     os.mkdir(os.path.join(dirname, 'debian'))
     cliapp.runcmd(
-        ['dch', '--create', '-v', '0.0-1', '--package', project, ''],
+        ['dch', '--create', '-v', '1.0-1', '--package', project, ''],
         cwd=dirname)
     cliapp.runcmd(['git', 'add', 'debian'], cwd=dirname)
     cliapp.runcmd(['git', 'commit', '-m', 'Add debian packaging'], cwd=dirname)
 
+    IMPLEMENTS WHEN user attempts to run "bumper (\S+)" in the (\S+) directory
+    import cliapp, yarnstep
+    version = yarnstep.get_next_match()
+    dirname = yarnstep.get_next_match_as_datadir_path()
+    bin = yarnstep.srcdir('bumper')
+    returncode, out, err = cliapp.runcmd_unchecked([bin, version], cwd=dirname)
+    yarnstep.write_file(yarnstep.datadir('bumper.exit'), str(returncode))
+
+    IMPLEMENTS THEN bumper exits with code (\d+)
+    import yarnstep
+    expected = yarnstep.get_next_match()
+    actual = yarnstep.cat(yarnstep.datadir('bumper.exit'))
+    print 'expected:', repr(expected)
+    print 'actual:', repr(actual)
+    assert expected == actual
+
     IMPLEMENTS WHEN user runs "bumper (\S+)" in the (\S+) directory
     import cliapp, yarnstep
     version = yarnstep.get_next_match()