initial monotonic commit

[dbsrgits/DBIx-Class-DeploymentHandler.git] / t / version_handlers / monotonic.t

diff --git a/t/version_handlers/monotonic.t b/t/version_handlers/monotonic.t
new file mode 100644 (file)
index 0000000..a2e2e76
--- /dev/null
+++ b/t/version_handlers/monotonic.t
@@ -0,0 +1,96 @@
+#!perl
+
+use Test::More;
+use Test::Exception;
+
+use lib 't/lib';
+use aliased
+  'DBIx::Class::DeploymentHandler::VersionHandler::Monotonic';
+
+{
+  my $vh = Monotonic->new({
+    schema_version   => 2,
+    database_version => 1,
+  });
+
+  ok $vh, 'VersionHandler gets instantiated';
+
+  ok(
+    eq_array($vh->next_version_set, [1,2]),
+    'first version pair works'
+  );
+  ok(
+    !$vh->next_version_set,
+    'next version set returns undef when we are done'
+  );
+}
+
+{
+  my $vh = Monotonic->new({
+        to_version       => 1,
+        schema_version   => 1,
+        database_version => 1,
+  });
+
+  ok $vh, 'VersionHandler gets instantiated';
+
+  ok(
+        !$vh->next_version_set,
+        'next version set returns undef if we are at the version requested'
+  );
+}
+
+{
+  my $vh = Monotonic->new({
+        to_version       => 5,
+        schema_version   => 1,
+        database_version => 1,
+  });
+
+  ok $vh, 'VersionHandler gets instantiated';
+  ok(
+        eq_array($vh->next_version_set, [1,2]),
+        'first version pair works'
+  );
+  ok(
+        eq_array($vh->previous_version_set, [1,2]),
+        'doing previous version works'
+  );
+  ok(
+        eq_array($vh->next_version_set, [1,2]),
+        'first version pair works again'
+  );
+  ok(
+        eq_array($vh->next_version_set, [2,3]),
+        'second version pair works'
+  );
+  ok(
+        eq_array($vh->next_version_set, [3,4]),
+        'third version pair works'
+  );
+  ok(
+        eq_array($vh->next_version_set, [4,5]),
+        'fourth version pair works'
+  );
+  ok( !$vh->next_version_set, 'no more versions after final pair' );
+  ok( !$vh->next_version_set, 'still no more versions after final pair' );
+}
+
+dies_ok {
+  my $vh = Monotonic->new({
+        schema_version   => 2,
+        database_version => '1.1',
+  });
+  $vh->next_vesion_set
+} 'dies if database version not an Int';
+
+dies_ok {
+  my $vh = Monotonic->new({
+        to_version       => 0,
+        schema_version   => 1,
+        database_version => 1,
+  });
+} 'cannot request a version before the current version';
+
+done_testing;
+#vim: ts=2 sw=2 expandtab