[MPLUGIN-262] prepare more precise checks of help output

git-svn-id: https://svn.apache.org/repos/asf/maven/plugin-tools/trunk@1590389 13f79535-47bb-0310-9956-ffa450edef68

maven-plugin-plugin/src/it/help-basic/expected-help.txt

@@ -0,0 +1,20 @@
+[INFO] help 1.0-SNAPSHOT
+  Tests generation and compilation of the help mojo.
+
+help:test
+  MOJO-DESCRIPTION. Some 'quotation' marks and backslashes '\\', some important
+  javadoc
+  and an inline link to AnotherMojo.
+
+  Available parameters:
+
+    defaultParam
+      This parameter uses 'quotation' marks and backslashes '\\' in its
+      description. Those characters must be escaped in Java string literals.
+
+    deprecatedParam
+      This parameter is deprecated.
+
+    undocumentedParam
+      
+      Required: Yes

maven-plugin-plugin/src/it/help-basic/verify.groovy

@@ -17,10 +17,12 @@
  * under the License.
  */
 
-log = new File( basedir, "help.log" ).text;
-log = log.substring( log.indexOf( "[INFO] help 1.0-SNAPSHOT" ) )
-log = log.substring( 0, log.indexOf( "[INFO]", 5 ) )
+expected = new File( basedir, "expected-help.txt" ).text.trim();
 
-println "$log";
+log = new File( basedir, "help.log" ).text;
+log = log.substring( log.indexOf( "[INFO] help 1.0-SNAPSHOT" ) );
+log = log.substring( 0, log.indexOf( "[INFO]", 5 ) ).trim();
+
+assert log == expected;
 
 return true;