From e0b6da537640668987d4c61d42384e700d8737f5 Mon Sep 17 00:00:00 2001
From: Marek Janda <nyx@nyx.cz>
Date: Fri, 26 Jun 2015 09:47:47 +0200
Subject: [PATCH] synchronizer tests

---
 auto_tests/chrome.karma.conf.js |   1 +
 auto_tests/karma.conf.js        |   1 +
 auto_tests/tests/synchronize.js | 109 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 111 insertions(+)
 create mode 100644 auto_tests/tests/synchronize.js

diff --git a/auto_tests/chrome.karma.conf.js b/auto_tests/chrome.karma.conf.js
index 9cd6039..0caceb6 100644
--- a/auto_tests/chrome.karma.conf.js
+++ b/auto_tests/chrome.karma.conf.js
@@ -8,6 +8,7 @@ module.exports = function (config) {
         files: [
             'dist/dygraph-combined-dev.js',
             'src/extras/smooth-plotter.js',
+            'src/extras/synchronizer.js',
             'auto_tests/data/*.js',
             'auto_tests/tests/*.js',
         ],
diff --git a/auto_tests/karma.conf.js b/auto_tests/karma.conf.js
index 606c571..09d0596 100644
--- a/auto_tests/karma.conf.js
+++ b/auto_tests/karma.conf.js
@@ -8,6 +8,7 @@ module.exports = function (config) {
         files: [
             'dist/dygraph-combined-dev.js',
             'src/extras/smooth-plotter.js',
+            'src/extras/synchronizer.js',
             'auto_tests/data/*.js',
             'auto_tests/tests/*.js',
         ],
diff --git a/auto_tests/tests/synchronize.js b/auto_tests/tests/synchronize.js
new file mode 100644
index 0000000..dcc6169
--- /dev/null
+++ b/auto_tests/tests/synchronize.js
@@ -0,0 +1,109 @@
+/**
+ * @fileoverview Tests synchronizer.
+ *
+ * @author nyx@nyx.cz (Marek Janda)
+ */
+describe("synchronize", function() {
+  var gs;
+  var originalCallbackCalled;
+  var data = "X,a,b,c\n" +
+    "10,-1,1,2\n" +
+    "11,0,3,1\n" +
+    "12,1,4,2\n" +
+    "13,0,2,3\n";
+  var h_row, h_pts;
+
+  beforeEach(function() {
+    document.body.innerHTML = "<div id='graph1'></div><div id='graph2'></div>";
+    originalCallbackCalled = false;
+    h_row = 0, h_pts = [];
+    gs = [];
+
+    var highlightCallback = function(e, x, pts, row) {
+      originalCallbackCalled = true;
+
+      h_row = row;
+      h_pts = pts;
+      assert.equal(gs[0], this);
+    };
+
+    gs.push(new Dygraph(document.getElementById("graph1"), data, {
+      width: 100,
+      height: 100,
+      visibility: [false, true, true],
+      highlightCallback: highlightCallback
+    }));
+    gs.push(new Dygraph(document.getElementById("graph2"), data, {
+      width: 100,
+      height: 100,
+      visibility: [false, true, true],
+    }));
+  });
+
+  afterEach(function() {
+
+  });
+
+  /**
+   * This tests if original highlightCallback is called when synchronizer is attached
+   */
+  it('testOriginalHighlightCallbackStillWorks', function() {
+    var sync = Dygraph.synchronize(gs);
+
+    DygraphOps.dispatchMouseMove(gs[1], 5, 5);
+    // check that chart2 doesn't trigger highlightCallback on chart1
+    assert.equal(originalCallbackCalled, false);
+
+    DygraphOps.dispatchMouseMove(gs[0], 13, 10);
+    // check that original highlightCallback was called
+    assert.equal(originalCallbackCalled, true);
+
+    sync.detach();
+  });
+
+  /**
+   * This tests if selection is propagated correctly between charts
+   */
+  it('testChartsAreSynchronized', function() {
+    DygraphOps.dispatchMouseMove(gs[0], 13, 10);
+    assert.notEqual(gs[0].getSelection(), gs[1].getSelection());
+    DygraphOps.dispatchMouseMove(gs[0], 0, 0);
+
+    var sync = Dygraph.synchronize(gs);
+
+    DygraphOps.dispatchMouseMove(gs[0], 13, 10);
+
+    //check correct row is highlighted on second chart
+    assert.equal(3, h_row);
+    //check there are only two points (because first series is hidden)
+    assert.equal(2, h_pts.length);
+    //check that selection on both charts is the same
+    assert.equal(gs[0].getSelection(), gs[1].getSelection());
+
+    sync.detach();
+  });
+
+  /**
+   * This tests if detach works
+   */
+  it('testSynchronizerDetach', function() {
+    var sync = Dygraph.synchronize(gs);
+    DygraphOps.dispatchMouseMove(gs[1], 10, 10);
+    sync.detach();
+
+    originalCallbackCalled = false;
+    DygraphOps.dispatchMouseMove(gs[1], 0, 0);
+
+    //check that chart2 doesn't have highlightCallback
+    assert.equal(originalCallbackCalled, false);
+
+    DygraphOps.dispatchMouseMove(gs[0], 13, 10);
+
+    //check that both callbacks were re-attached
+    assert.equal(originalCallbackCalled, true);
+
+    //check that selection isn't synchronized anymore
+    assert.equal(gs[0].getSelection(), 3);
+    assert.equal(gs[1].getSelection(), 0);
+  });
+});
-- 
2.7.4