[era] era_superblock_t and era_check

features/era_check.feature

@@ -0,0 +1,83 @@
+Feature: era_check
+  Scenario: print version (-V flag)
+    When I run `era_check -V`
+    
+    Then it should pass with version
+
+  Scenario: print version (--version flag)
+    When I run `era_check --version`
+
+    Then it should pass with version
+
+  Scenario: print help
+    When I run `era_check --help`
+
+    Then it should pass
+    And era_usage to stdout
+
+  Scenario: print help
+    When I run `era_check -h`
+
+    Then it should pass
+    And era_usage to stdout
+
+  Scenario: Metadata file must be specified
+    When I run `era_check`
+
+    Then it should fail
+    And era_usage to stderr
+    And the stderr should contain:
+
+    """
+    No input file provided.
+    """
+
+  Scenario: Metadata file doesn't exist
+    When I run `era_check /arbitrary/filename`
+
+    Then it should fail
+    And the stderr should contain:
+    """
+    /arbitrary/filename: No such file or directory
+    """
+
+  Scenario: Metadata file cannot be a directory
+    Given a directory called foo
+
+    When I run `era_check foo`
+
+    Then it should fail
+    And the stderr should contain:
+    """
+    foo: Not a block device or regular file
+    """
+
+  # This test will fail if you're running as root
+  Scenario: Metadata file exists, but can't be opened
+    Given input without read permissions
+    When I run `era_check input`
+    Then it should fail
+    And the stderr should contain:
+    """
+    Permission denied
+    """
+
+  Scenario: Metadata file full of zeroes
+    Given input file
+    And block 1 is zeroed
+    When I run `era_check input`
+    Then it should fail
+
+  Scenario: --quiet is observed
+    Given input file
+    And block 1 is zeroed
+    When I run `era_check --quiet input`
+    Then it should fail
+    And it should give no output
+
+  Scenario: -q is observed
+    Given input file
+    And block 1 is zeroed
+    When I run `era_check -q input`
+    Then it should fail
+    And it should give no output

features/step_definitions/era_steps.rb

@@ -0,0 +1,16 @@
+ERA_USAGE =<<EOF
+Usage: era_check [options] {device|file}
+Options:
+  {-q|--quiet}
+  {-h|--help}
+  {-V|--version}
+  {--super-block-only}
+EOF
+
+Then /^era_usage to stdout$/ do
+  assert_partial_output(ERA_USAGE, all_stdout)
+end
+
+Then /^era_usage to stderr$/ do
+  assert_partial_output(ERA_USAGE, all_stderr)
+end