Merge pull request #76 from shellspec/implement_successfull_matcher

Add successful matcher

lib/core/matchers/be.sh

@@ -7,3 +7,4 @@ shellspec_import 'core/matchers/be/stat'
 shellspec_import 'core/matchers/be/status'
 shellspec_import 'core/matchers/be/valid'
 shellspec_import 'core/matchers/be/variable'
+shellspec_import 'core/matchers/be/successful'

lib/core/matchers/be/successful.sh

@@ -0,0 +1,3 @@
+#shellcheck shell=sh
+
+shellspec_syntax_alias 'shellspec_matcher_be_successful' 'shellspec_matcher_be_defined'

package.json

@@ -17,6 +17,7 @@
     "lib/core/matchers/be/empty.sh",
     "lib/core/matchers/be/stat.sh",
     "lib/core/matchers/be/status.sh",
+    "lib/core/matchers/be/successful.sh",
     "lib/core/matchers/be/valid.sh",
     "lib/core/matchers/be/variable.sh",
     "lib/core/matchers/end_with.sh",

spec/core/modifiers/result_spec.sh

@@ -5,9 +5,12 @@ Describe "core/modifiers/result.sh"
 
   Describe "result modifier"
     foo() { echo ok; true; }
+    bar() { false; }
 
     Example 'example'
       The result of 'foo()' should equal ok
+      The result of 'foo()' should be successful
+      The result of 'bar()' should not be successful
     End
 
     Describe 'example with stdout, stderr and status'