From b0bb899adcb5292ece64970360362641ecebb569 Mon Sep 17 00:00:00 2001
From: Prakhar Srivastav <prakhar1989@gmail.com>
Date: Mon, 6 Jul 2015 13:28:44 +0300
Subject: [PATCH] finished initial implementation on getPath. #26

---
 tests/data/survey.js |  6 ++++++
 tests/testSurvey.js  | 43 ++++++++++++++++++++++++++++++-------------
 2 files changed, 36 insertions(+), 13 deletions(-)

diff --git a/tests/data/survey.js b/tests/data/survey.js
index 69b5344..acf5940 100644
--- a/tests/data/survey.js
+++ b/tests/data/survey.js
@@ -21,6 +21,12 @@ module.exports = [
             "id": "b_39562",
             "questions": [],
             "subblocks": [],
+            "randomize": false
+          },
+          {
+            "id": "b_99223",
+            "questions": [],
+            "subblocks": [],
             "randomize": true
           }
         ],
diff --git a/tests/testSurvey.js b/tests/testSurvey.js
index 6f817f6..9c34b6d 100644
--- a/tests/testSurvey.js
+++ b/tests/testSurvey.js
@@ -8,22 +8,39 @@ var survey = Immutable.fromJS(data);
 var _blockMap = Immutable.fromJS({
   "b_41444": "b_90914",
   "b_53209": "b_10101",
-  "b_39562": "b_53209"
+  "b_39562": "b_53209",
+  "b_99223": "b_53209"
 });
 
-function getBlockIndex(blockId, parentBlock = survey, path = []) {
-    var isSubblock = _blockMap.has(blockId);
-    if (!isSubblock) {
-        let index = parentBlock.findIndex(b => b.get('id') === blockId);
-        return path.concat(index);
-    }
+function getPath(blockID) {
+    var getIDsList = (id, path = []) => {
+      if (!_blockMap.has(id)) {
+        return path.concat([id]).reverse()
+      }
+      return getIDsList(_blockMap.get(id), path.concat([id]));
+    };
+
+    var [rootID, ...restIDs] = getIDsList(blockID);
+    var path = [survey.findIndex(b => b.get('id') === rootID)];
+
+    return restIDs.reduce((path, id) => {
+      let index = survey.getIn(path.concat(['subblocks']))
+                      .findIndex(b => b.get('id') === id);
+      return path.concat(['subblocks', index]);
+    }, path);
 }
 
-// test cases
-describe('Immutable', function() {
-  describe("get()", function() {
-    it("should return the block index of top block correctly", function() {
-      assert.equal(survey.getIn([0, 'id']), "b_10101");
-    });
+describe("getPath", function() {
+  it("should return the index paths correctly", function() {
+    assert.deepEqual(getPath('b_10101'), [0]);
+    assert.deepEqual(getPath('b_90914'), [1]);
+    assert.deepEqual(getPath('b_41444'), [1, 'subblocks', 0]);
+    assert.deepEqual(getPath('b_53209'), [0, 'subblocks', 0]);
+    assert.deepEqual(getPath('b_39562'), [0, 'subblocks', 0, 'subblocks', 0]);
+    assert.deepEqual(getPath('b_99223'), [0, 'subblocks', 0, 'subblocks', 1]);
+  });
+  it("should get the correct block", function() {
+    var block = survey.getIn(getPath('b_39562'))
+    assert(!block.get('randomize'));
   });
 });