Add tests

Signed-off-by: Matt Sicker <boards@gmail.com>

src/main/java/com/cloudbees/plugins/credentials/CredentialsParameterValue.java

@@ -56,7 +56,7 @@ public CredentialsParameterValue(String name, String value, String description,
          this(name, value, description, isDefaultValue, Jenkins.getAuthentication().getName());
     }
 
-    private CredentialsParameterValue(String name, String value, String description, boolean isDefaultValue, String userId) {
+    CredentialsParameterValue(String name, String value, String description, boolean isDefaultValue, String userId) {
         super(name, description);
         this.value = value;
         this.isDefaultValue = isDefaultValue;

src/test/java/com/cloudbees/plugins/credentials/CredentialsParametersActionTest.java

@@ -0,0 +1,50 @@
+package com.cloudbees.plugins.credentials;
+
+import com.cloudbees.plugins.credentials.common.IdCredentials;
+import com.cloudbees.plugins.credentials.domains.Domain;
+import com.cloudbees.plugins.credentials.impl.UsernamePasswordCredentialsImpl;
+import hudson.model.Cause;
+import hudson.model.FreeStyleBuild;
+import hudson.model.FreeStyleProject;
+import hudson.model.ParametersAction;
+import hudson.model.ParametersDefinitionProperty;
+import org.junit.BeforeClass;
+import org.junit.ClassRule;
+import org.junit.Test;
+import org.jvnet.hudson.test.JenkinsRule;
+
+import java.io.IOException;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+
+public class CredentialsParametersActionTest {
+
+    @ClassRule public static JenkinsRule j = new JenkinsRule();
+
+    @BeforeClass
+    public static void setUpClass() throws IOException {
+        j.jenkins.setSecurityRealm(j.createDummySecurityRealm());
+        CredentialsProvider.lookupStores(j.jenkins).iterator().next()
+                .addCredentials(Domain.global(), new UsernamePasswordCredentialsImpl(CredentialsScope.GLOBAL, "cred-id", "global credential", "root", "correct horse battery staple"));
+    }
+
+    @Test
+    public void forRunReturnsNullWhenRunHasNoParameters() throws Exception {
+        final FreeStyleProject project = j.createFreeStyleProject();
+        final FreeStyleBuild build = j.assertBuildStatusSuccess(project.scheduleBuild2(0));
+        assertNull(CredentialsParametersAction.forRun(build));
+    }
+
+    @Test
+    public void forRunCopiesParametersWhenRunIsParameterized() throws Exception {
+        final FreeStyleProject project = j.createFreeStyleProject();
+        project.addProperty(new ParametersDefinitionProperty(new CredentialsParameterDefinition("cred", "", null, IdCredentials.class.getName(), true)));
+        final CredentialsParameterValue parameterValue = new CredentialsParameterValue("cred", "cred-id", "", false, "alpha");
+        final FreeStyleBuild build = j.assertBuildStatusSuccess(project.scheduleBuild2(0, new Cause.UserIdCause("alpha"), new ParametersAction(parameterValue)));
+        final CredentialsParametersAction action = CredentialsParametersAction.forRun(build);
+        assertNotNull(action);
+        assertEquals(parameterValue, action.findParameterByName("cred"));
+    }
+}