[JENKINS-37781] More tests

Fixed some issues those tests revealed.
Also fixed a bug where the last line of a script or when closure wasn't parsed

pipeline-model-api/src/main/java/org/jenkinsci/plugins/pipeline/modeldefinition/ast/ModelASTWhen.java

@@ -25,6 +25,7 @@
 
 package org.jenkinsci.plugins.pipeline.modeldefinition.ast;
 
+import net.sf.json.JSONObject;
 import org.jenkinsci.plugins.pipeline.modeldefinition.validator.ModelValidator;
 
 /**
@@ -43,6 +44,15 @@ public String toString() {
                 "}";
     }
 
+    @Override
+    public JSONObject toJSON() {
+        JSONObject o = new JSONObject();
+        if (getArgs() != null) {
+            o.accumulate("arguments", getArgs().toJSON());
+        }
+        return o;
+    }
+
     @Override
     public void validate(ModelValidator validator) {
         super.validate(validator);

pipeline-model-definition/src/main/groovy/org/jenkinsci/plugins/pipeline/modeldefinition/parser/ModelParser.groovy

@@ -907,16 +907,34 @@ class ModelParser {
      */
     protected String getSourceText(ASTNode n) {
         def result = new StringBuilder();
-        for (int x = n.getLineNumber(); x <= n.getLastLineNumber(); x++) {
+        int beginLine = n.getLineNumber()
+        int endLine = n.getLastLineNumber()
+        int beginLineColumn = n.getColumnNumber()
+        int endLineLastColumn = n.getLastColumnNumber()
+
+        //The node seems to be lying about the last line, so go through each statement to try to make sure
+        if (n instanceof BlockStatement) {
+            for (Statement s : n.statements) {
+                if (s.lineNumber < beginLine) {
+                    beginLine = s.lineNumber
+                    beginLineColumn = s.columnNumber
+                }
+                if (s.lastLineNumber > endLine) {
+                    endLine = s.lastLineNumber
+                    endLineLastColumn = s.lastColumnNumber
+                }
+            }
+        }
+        for (int x = beginLine; x <= endLine; x++) {
             String line = sourceUnit.source.getLine(x, null);
             if (line == null)
                 throw new AssertionError("Unable to get source line"+x);
 
-            if (x == n.getLastLineNumber()) {
-                line = line.substring(0, n.getLastColumnNumber() - 1);
+            if (x == endLine) {
+                line = line.substring(0, endLineLastColumn - 1);
             }
-            if (x == n.getLineNumber()) {
-                line = line.substring(n.getColumnNumber() - 1);
+            if (x == beginLine) {
+                line = line.substring(beginLineColumn - 1);
             }
             result.append(line).append('\n');
         }

pipeline-model-definition/src/main/groovy/org/jenkinsci/plugins/pipeline/modeldefinition/validator/ModelValidatorImpl.groovy

@@ -194,6 +194,11 @@ class ModelValidatorImpl implements ModelValidator {
 
     public boolean validateElement(ModelASTWhen when) {
         //TODO can we evaluate if the closure will return something that can be tries for true?
+        if (when.toGroovy() =~ /when\s[{\s}]*/) {
+            errorCollector.error(when, "Empty when closure, remove the property or add some content.")
+            return false
+        }
+        return true
     }
 
 

pipeline-model-definition/src/main/resources/ast-schema.json

@@ -275,6 +275,19 @@
         }
       ]
     },
+    "when": {
+      "description": "Closure to evaluate if the stage should run or not",
+      "type": "object",
+      "properties": {
+        "arguments": {
+          "$ref": "#/definitions/rawArgument"
+        }
+
+      },
+
+      "additionalProperties": false
+
+    },
     "notifications": {
       "description": "An array of build conditions with blocks of steps to run if those conditions are satisfied at the end of the build",
       "type": "object",
@@ -319,6 +332,9 @@
         "agent": {
           "$ref": "#/definitions/agent"
         },
+        "when": {
+          "$ref": "#/definitions/when"
+        },
         "post": {
           "$ref": "#/definitions/notifications"
         },

pipeline-model-definition/src/test/java/org/jenkinsci/plugins/pipeline/modeldefinition/WhenStageTest.java

@@ -25,11 +25,24 @@
 
 package org.jenkinsci.plugins.pipeline.modeldefinition;
 
+import com.gargoylesoftware.htmlunit.HttpMethod;
+import com.gargoylesoftware.htmlunit.WebRequest;
+import com.gargoylesoftware.htmlunit.util.NameValuePair;
 import hudson.model.Result;
 import hudson.model.Slave;
+import net.sf.json.JSONObject;
+import org.jenkinsci.plugins.pipeline.modeldefinition.endpoints.ModelConverterAction;
 import org.jenkinsci.plugins.pipeline.modeldefinition.model.Stage;
 import org.junit.BeforeClass;
 import org.junit.Test;
+import org.jvnet.hudson.test.JenkinsRule;
+
+import java.io.IOException;
+import java.util.Collections;
+
+import static org.jenkinsci.plugins.pipeline.modeldefinition.util.IsJsonObjectContaining.hasEntry;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertThat;
 
 
 /**
@@ -48,9 +61,54 @@ public static void setUpAgent() throws Exception {
     @Test
     public void simpleWhen() throws Exception {
         env(s).put("SECOND_STAGE", "NOPE").set();
-        ExpectationsBuilder expect = expect("simpleWhen");
+        ExpectationsBuilder expect = expect("when", "simpleWhen").runFromRepo(false);
         expect.logContains("One", "Hello", "Should I run?").logNotContains("Two", "World").go();
         env(s).put("SECOND_STAGE", "RUN").set();
         expect.resetForNewRun(Result.SUCCESS).logContains("One", "Hello", "Should I run?", "Two", "World").go();
     }
+
+    @Test
+    public void whenException() throws Exception {
+        env(s).put("SECOND_STAGE", "NOPE").set();
+        expect(Result.FAILURE, "when", "whenException").runFromRepo(false)
+                .logContains("One", "Hello", "Should I run?", "NullPointerException")
+                .logNotContains("Two", "World").go();
+    }
+
+    @Test
+    public void whenEmpty() throws Exception {
+        env(s).put("SECOND_STAGE", "NOPE").set();
+        expect(Result.FAILURE, "when", "whenEmpty").runFromRepo(false)
+                .logContains("Empty when closure").logNotContains("Two", "World").go();
+    }
+
+    @Test
+    public void toJson() throws IOException {
+        final String rawJenkinsfile = fileContentsFromResources("when/simpleWhen.groovy", true);
+        JenkinsRule.WebClient wc = j.createWebClient();
+        WebRequest req = new WebRequest(wc.createCrumbedUrl(ModelConverterAction.PIPELINE_CONVERTER_URL + "/toJson"), HttpMethod.POST);
+
+        assertNotNull(rawJenkinsfile);
+
+        NameValuePair pair = new NameValuePair("jenkinsfile", rawJenkinsfile);
+        req.setRequestParameters(Collections.singletonList(pair));
+
+        String rawResult = wc.getPage(req).getWebResponse().getContentAsString();
+        assertNotNull(rawResult);
+
+        JSONObject result = JSONObject.fromObject(rawResult);
+        assertNotNull(result);
+        assertThat(result, hasEntry("status", "ok"));
+        assertThat(result, hasEntry("data", hasEntry("result", "success")));
+
+        req = new WebRequest(wc.createCrumbedUrl(ModelConverterAction.PIPELINE_CONVERTER_URL + "/toJenkinsfile"), HttpMethod.POST);
+        pair = new NameValuePair("json", result.getJSONObject("data").getJSONObject("json").toString());
+        req.setRequestParameters(Collections.singletonList(pair));
+
+        rawResult = wc.getPage(req).getWebResponse().getContentAsString();
+        assertNotNull(rawResult);
+        result = JSONObject.fromObject(rawResult);
+        assertThat(result, hasEntry("status", "ok"));
+        assertThat(result, hasEntry("data", hasEntry("result", "success")));
+    }
 }

pipeline-model-definition/src/test/resources/when/simpleWhen.groovy

@@ -0,0 +1,48 @@
+/*
+ * The MIT License
+ *
+ * Copyright (c) 2016, CloudBees, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ */
+
+pipeline {
+    agent label: "here"
+    stages {
+        stage("One") {
+            steps {
+                echo "Hello"
+            }
+        }
+        stage("Two") {
+            when {
+                echo "Should I run?"
+                return env.SECOND_STAGE == "RUN"
+            }
+            steps {
+                script {
+                    echo "World"
+                    echo "Heal it"
+                }
+
+            }
+        }
+    }
+}

pipeline-model-definition/src/test/resources/when/whenEmpty.groovy

@@ -0,0 +1,43 @@
+/*
+ * The MIT License
+ *
+ * Copyright (c) 2016, CloudBees, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ */
+
+pipeline {
+    agent label: "here"
+    stages {
+        stage("One") {
+            steps {
+                echo "Hello"
+            }
+        }
+        stage("Two") {
+            when {
+
+            }
+            steps {
+                echo "World"
+            }
+        }
+    }
+}

pipeline-model-definition/src/test/resources/simpleWhen.groovy → pipeline-model-definition/src/test/resources/when/whenException.groovy

@@ -34,7 +34,7 @@ pipeline {
         stage("Two") {
             when {
                 echo "Should I run?"
-                return env.SECOND_STAGE == "RUN"
+                throw new NullPointerException("Gah")
             }
             steps {
                 echo "World"