cucumber test for thin_check --super-block-only

features/step_definitions/thin_steps.rb

@@ -0,0 +1,13 @@
+Given(/^valid metadata$/) do
+  in_current_dir do
+    write_valid_xml(xml_file)
+  end
+
+  run_simple("dd if=/dev/zero of=#{dev_file} bs=4k count=1024")
+  run_simple("thin_restore -i #{xml_file} -o #{dev_file}")
+end
+
+When(/^I run thin_check with (.*?)$/) do |opts|
+  run "thin_check #{opts} #{dev_file}"
+end
+

features/support/world_extensions.rb

@@ -0,0 +1,29 @@
+module ThinpWorld
+  def tools_version
+    "0.1.5+"
+  end
+
+  def xml_file
+    'metadata.xml'
+  end
+
+  def dev_file
+    'metadata.bin'
+  end
+
+  # FIXME: we should really break out the xml stuff from
+  # thinp-test-suite and put in a gem in this repo.
+  def write_valid_xml(path)
+    File.open(path, "w+") do |f|
+      f.write <<EOF
+<superblock uuid="" time="0" transaction="0" data_block_size="128" nr_data_blocks="0">
+  <device dev_id="0" mapped_blocks="2" transaction="0" creation_time="0" snap_time="0">
+    <range_mapping origin_begin="0" data_begin="0" length="2" time="0"/>
+  </device>
+</superblock>
+EOF
+    end
+  end
+end
+
+World(ThinpWorld)

features/thin_check.feature

@@ -37,4 +37,11 @@ Feature: thin_check
       {-q|--quiet}
       {-h|--help}
       {-V|--version}
+      {--super-block-only}
     """
+
+  @announce
+  Scenario: --super-block-only check passes on valid metadata
+    Given valid metadata
+    When I run thin_check with --super-block-only
+    Then it should pass

thin-provisioning/thin_check.cc

@@ -53,7 +53,8 @@ namespace {
 		    << "Options:" << endl
 		    << "  {-q|--quiet}" << endl
 		    << "  {-h|--help}" << endl
-		    << "  {-V|--version}" << endl;
+		    << "  {-V|--version}" << endl
+		    << "  {--super-block-only}" << endl;
 	}
 }
 
@@ -66,6 +67,7 @@ int main(int argc, char **argv)
 		{ "quiet", no_argument, NULL, 'q'},
 		{ "help", no_argument, NULL, 'h'},
 		{ "version", no_argument, NULL, 'V'},
+		{ "super-block-only", no_argument, NULL, 0},
 		{ NULL, no_argument, NULL, 0 }
 	};