cache_check work

features/step_definitions/cache_check_steps.rb

@@ -0,0 +1,57 @@
+DEFAULT_INPUT = 'input'
+BLOCK_SIZE = 4096
+
+Given /^a directory called (.*)\s*$/ do |dir|
+  create_dir(dir)
+end
+
+Given /^input without read permissions$/ do
+  write_file(DEFAULT_INPUT, "\0" * 4096)
+  in_current_dir do
+    f = File.new(DEFAULT_INPUT)
+    f.chmod(0000)
+  end
+end
+
+Given(/^input file$/) do
+  write_file(DEFAULT_INPUT, "\0" * BLOCK_SIZE * 1024)
+end
+
+Given(/^block (\d+) is zeroed$/) do |b|
+  in_current_dir do
+    File.open(DEFAULT_INPUT, 'w') do |f|
+      f.seek(BLOCK_SIZE * b.to_i, IO::SEEK_SET)
+      f.write("\0" * BLOCK_SIZE)
+    end
+  end
+end
+
+Then /^it should pass$/ do
+  assert_success(true)
+end
+
+Then /^it should fail$/ do
+  assert_success(false)
+end
+
+VERSION="0.1.6\n"
+
+Then /^version to stdout$/ do
+  assert_exact_output(VERSION, all_stdout)
+end
+
+USAGE =<<EOF
+Usage: cache_check [options] {device|file}
+Options:
+  {-q|--quiet}
+  {-h|--help}
+  {-V|--version}
+EOF
+
+Then /^usage to stdout$/ do
+  assert_partial_output(USAGE, all_stdout)
+end
+
+Then /^usage to stderr$/ do
+  assert_partial_output(USAGE, all_stderr)
+end