[JIRA] [extra-columns] (JENKINS-18930) Missing TestResultColumn() constructor

Thu, 25 Jul 2013 07:51:20 -0700

Issue Type: Bug Bug
Assignee: Fred G
Components: extra-columns
Created: 25/Jul/13 2:50 PM
Description:

Hi,

I need to programmatically create some sectioned views (via groovy script to ease maintenance of hundreds of jobs on multiple projects/teams/views)
I was previously using version 1.2 of the plugin with an old version of Jenkins. All was OK.

Since we migrated to Jenkins 1.509.2 + plugin 1.10 my script doesn't work any more because of:
"Failed to instantiate class jenkins.plugins.extracolumns.TestResultColumn from null"

Looking at:
hudson.model.Descriptor.newInstance(StaplerRequest req, JSONObject formData)
showed it "return verifyNewInstance(clazz.newInstance());" where clazz is jenkins.plugins.extracolumns.TestResultColumn and can't instantiate a new instance as there is only one constructor that needs an int in parameter.

It would be handy to add a no param constructor that set the int to a default value to be able to run column creation through their Descriptor and not have to add a specific case for TestResultColumn.

This is a snippet of my groovy script:

import hudson.DescriptorExtensionList
import hudson.model.*
import hudson.model.Descriptor.FormException
import hudson.plugins.sectioned_view.*
import hudson.util.*
import hudson.views.*

DEFAULT_COLUMNS = [
        BuildButtonColumn.class                                                 // OK
        ,com.robestone.hudson.compactcolumns.JobNameColumn.class                // OK
        ,LastDurationColumn.class                                               // OK
        ,jenkins.plugins.extracolumns.TestResultColumn.class                    // NOK
    ]

println("Init our columns ...")
myColumns = [];
DescriptorExtensionList<ListViewColumn, Descriptor<ListViewColumn>> all = ListViewColumn.all();

for (Class<? extends ListViewColumn> d: DEFAULT_COLUMNS) {
    Descriptor<ListViewColumn> des = all.find(d);
    if (des  != null) {
        println("Case " + d)
        switch(d) {
            case jenkins.plugins.extracolumns.TestResultColumn.class:
                println("descriptor = " + des)
                println("descriptor.clazz = " + des.clazz)
                println()
                try {
                    clazzInst = d.newInstance()
                    println("+++Successfully run TestResultColumn.newInstance() = " + clazzInst)
                    myColumns.add(clazzInst);
                } catch (Exception exp) {
                    println("!!!Exception while instantiating new TestResultColumn(): " + exp.getMessage())
                }
                try {
                    clazzInst0 = d.newInstance(0)
                    println("+++Successfully run new TestResultColumn.newInstance(0) = " + clazzInst0)
                    myColumns.add(clazzInst0);
                } catch (Exception exp) {
                    println("!!!Exception while instantiating new TestResultColumn(0): " + exp.getMessage())
                }
                try {
                    tmp = des.newInstance(null,null)
                    myColumns.add(tmp);
                    println("+++Successfully run TestResultColumn.DescriptorImpl.newInstance(null, null) = " + tmp)
                } catch (Error exp) {
                    println("!!!Error while TestResultColumn.DescriptorImpl.newInstance(null, null): " + exp.getMessage())
                }
            break
            default:
                myColumns.add(des.newInstance(null, null));
            break
        }
    }
    else
    {
        println("No descriptior found for " + d)
    }
}

println("\nResulting columns ...")
myColumns.each {println(it)}

Give me your thoughts. Maybe there is another way to do this!

Cheers,

Greg
Environment: Groovy script
Project: Jenkins
Priority: Major Major
Reporter: Greg Nion
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