From 1424ff7d2274cda649c87076e81dac65ed1fdd81 Mon Sep 17 00:00:00 2001
From: whyzdev <whyzdev>
Date: Wed, 7 Dec 2016 21:46:58 -0500
Subject: [PATCH] fix karma tests where text.textwrap is undefined; added
 textPlacement parameters to some test cases

---
 .../sequenceDiagram/sequenceDiagram.spec.js   | 19 ++++++++---
 .../sequenceDiagram/sequenceRenderer.js       |  2 +-
 src/diagrams/sequenceDiagram/svgDraw.js       | 32 +++++++++----------
 3 files changed, 31 insertions(+), 22 deletions(-)

diff --git a/src/diagrams/sequenceDiagram/sequenceDiagram.spec.js b/src/diagrams/sequenceDiagram/sequenceDiagram.spec.js
index d7b41f0b2..b66644e53 100644
--- a/src/diagrams/sequenceDiagram/sequenceDiagram.spec.js
+++ b/src/diagrams/sequenceDiagram/sequenceDiagram.spec.js
@@ -23,6 +23,13 @@ var sd = proxyquire('./sequenceRenderer', { '../../d3': d3 });
 //
 //var sd = require('./sequenceRenderer');
 
+function addConf(conf, key, value) {
+  if (value !== undefined) {
+    conf[key]=value;
+  }
+  return conf;
+}
+
 var str;
 describe('when parsing a sequenceDiagram',function() {
     beforeEach(function () {
@@ -761,7 +768,9 @@ describe('when rendering a sequenceDiagram',function() {
         //console.log(document.querySelector('#tst').getBBox());
 
     });
-    it('it should handle one actor', function () {
+    ['tspan','fo','old',undefined].forEach(function(textPlacement) {
+      it('it should handle one actor, when textPlacement is '+textPlacement, function () {
+        sd.setConf(addConf(conf, 'textPlacement', textPlacement));
         sd.bounds.init();
         var str = 'sequenceDiagram\n' +
             'participant Alice';
@@ -774,7 +783,7 @@ describe('when rendering a sequenceDiagram',function() {
         expect(bounds.starty).toBe(0);
         expect(bounds.stopx ).toBe( conf.width);
         expect(bounds.stopy ).toBe(conf.height);
-
+      });
     });
     it('it should handle one actor and a centered note', function () {
         sd.bounds.init();
@@ -987,7 +996,9 @@ describe('when rendering a sequenceDiagram with actor mirror activated',function
         };
         sd.setConf(conf);
     });
-    it('it should handle one actor', function () {
+    ['tspan','fo','old',undefined].forEach(function(textPlacement) {
+      it('it should handle one actor, when textPlacement is'+textPlacement, function () {
+        sd.setConf(addConf(conf, 'textPlacement', textPlacement));
         sd.bounds.init();
         var str = 'sequenceDiagram\n' +
             'participant Alice';
@@ -1000,6 +1011,6 @@ describe('when rendering a sequenceDiagram with actor mirror activated',function
         expect(bounds.starty).toBe(0);
         expect(bounds.stopx ).toBe( conf.width);
         expect(bounds.stopy ).toBe(2*conf.height+2*conf.boxMargin);
-
+      });
     });
 });
diff --git a/src/diagrams/sequenceDiagram/sequenceRenderer.js b/src/diagrams/sequenceDiagram/sequenceRenderer.js
index 39324b454..3f2afa0ea 100644
--- a/src/diagrams/sequenceDiagram/sequenceRenderer.js
+++ b/src/diagrams/sequenceDiagram/sequenceRenderer.js
@@ -35,7 +35,7 @@ var conf = {
     activationWidth:10,
 
     //text placement as: tspan | fo | <else> only text as before 
-    textPlacement: 'tspan', 
+    textPlacement: 'fo', 
 };
 
 exports.bounds = {
diff --git a/src/diagrams/sequenceDiagram/svgDraw.js b/src/diagrams/sequenceDiagram/svgDraw.js
index 5ca505197..1bdb7106e 100644
--- a/src/diagrams/sequenceDiagram/svgDraw.js
+++ b/src/diagrams/sequenceDiagram/svgDraw.js
@@ -281,25 +281,23 @@ var _drawTextCandidateFunc = (function() {
         .attr('x', x + width / 2).attr('y', y) 
         .style('text-anchor', 'middle');
       var tspan = text.append('tspan')
-        .attr('x', x + width / 2).attr('dy', '0') //.attr('y', y + height / 2)
+        .attr('x', x + width / 2).attr('dy', '0') 
         .text(content);
 
-      text.textwrap({ //d3textwrap
-            x: x + width / 2, 
-            y: y,
-            width: width,
-            height: height
-      }, 0);
-   
-      //vertical aligment after d3textwrap expans tspan to multiple tspans
-      var tspans = text.selectAll('tspan');
-      if (tspans.length > 0 && tspans[0].length > 0) {
-        tspans = tspans[0];
-        //set y of <text> to the mid y of the first line 
-        text.attr('y', y + (height/2.- text[0][0].getBBox().height*(1 - 1.0/tspans.length)/2.))
-          .attr("dominant-baseline", "central")
-          .attr("alignment-baseline", "central")
-      }
+      if(typeof(text.textwrap) !== 'undefined'){
+        text.textwrap({ //d3textwrap
+              x: x + width / 2, y: y, width: width, height: height
+        }, 0);
+        //vertical aligment after d3textwrap expans tspan to multiple tspans
+        var tspans = text.selectAll('tspan');
+        if (tspans.length > 0 && tspans[0].length > 0) {
+          tspans = tspans[0];
+          //set y of <text> to the mid y of the first line 
+          text.attr('y', y + (height/2.- text[0][0].getBBox().height*(1 - 1.0/tspans.length)/2.))
+            .attr("dominant-baseline", "central")
+            .attr("alignment-baseline", "central")
+        }
+      } 
 
       for (var key in textAttrs) {
         text.attr(key, textAttrs[key]);