From c93d9d778d91a2548fb7bb98e82c2f53803b1f2f Mon Sep 17 00:00:00 2001
From: benTrust <youpibd@hotmail.fr>
Date: Fri, 24 Feb 2017 12:11:43 +0100
Subject: [PATCH] Test on deep nested tree structure

---
 README.md                               |  24 ++++++
 test/deep_nested_tree_structure_test.js | 108 ++++++++++++++++++++++++
 2 files changed, 132 insertions(+)
 create mode 100644 test/deep_nested_tree_structure_test.js

diff --git a/README.md b/README.md
index 6b739e06..3f74b306 100644
--- a/README.md
+++ b/README.md
@@ -156,6 +156,30 @@ var config = convict({
 });
 ```
 
+Deep nested example:
+
+```javascript
+conf = convict({
+  db: {
+    name: {
+      format: String,
+      default: ''
+    },
+    synchro: {
+      active: {
+        format: 'Boolean',
+        default: false
+      },
+      remote_url: {
+        format: 'url',
+        default: 'http://localhost:8080/'
+      }
+    }
+
+  }
+});
+```
+
 Note: Search for the word "nested" throughout this documentation to find out
 more about nested configuration settings.
 
diff --git a/test/deep_nested_tree_structure_test.js b/test/deep_nested_tree_structure_test.js
new file mode 100644
index 00000000..344cc3f3
--- /dev/null
+++ b/test/deep_nested_tree_structure_test.js
@@ -0,0 +1,108 @@
+'use strict'
+
+describe('deep nested tree structure', function() {
+  const convict = require('../');
+  let conf;
+
+  it('must parse a deep nested config specification', function() {
+    conf = convict({
+      db: {
+        name: {
+          format: String,
+          default: ''
+        },
+        synchro: {
+          active: {
+            format: 'Boolean',
+            default: false
+          },
+          remote_url: {
+            format: 'url',
+            default: 'http://localhost:8080/'
+          }
+        }
+      }
+    });
+  });
+
+  it('instance must be valid', function() {
+    conf.load({
+      db: {
+        name: 'some_db',
+        synchro: {
+          active: true,
+          remote_url: 'http://localhost:3333/'
+        }
+      }
+    });
+    (function() {
+      conf.validate({
+        strict: true
+      });
+    }).must.not.throw();
+  });
+
+  describe('get nested fields value', function() {
+    it('must find a value', function() {
+      (function() {
+        conf.get('db');
+      }).must.not.throw();
+    });
+
+    it('must handle two levels of nesting', function() {
+      conf.get('db.name').must.be('some_db');
+    });
+
+    it('must handle three levels of nesting', function() {
+      conf.get('db.synchro.active').must.be(true);
+    });
+
+    it('must handle three levels of side by side nesting', function() {
+      conf.get('db.synchro.remote_url').must.be('http://localhost:3333/');
+    });
+  });
+
+  describe('alter nested fields value', function() {
+    let synchro;
+
+    it('must find a nested value', function() {
+      (function() {
+        synchro = conf.get('db.synchro');
+      }).must.not.throw();
+    });
+
+    it('modify a nested value and must be valid', function() {
+      synchro.active = false;
+      conf.set('db.synchro', synchro);
+      (function() {
+        conf.validate({
+          strict: true
+        });
+      }).must.not.throw();
+      conf.get('db.synchro.active').must.be(false);
+    });
+
+  });
+
+  describe('alter deep nested fields value', function() {
+    let db;
+
+    it('must find a deep nested value', function() {
+      (function() {
+        db = conf.get('db');
+      }).must.not.throw();
+    });
+
+    it('modify a deep nested value and must be valid', function() {
+      db.synchro.remote_url = 'http://local.test:9876';
+      conf.set('db', db);
+      (function() {
+        conf.validate({
+          strict: true
+        });
+      }).must.not.throw();
+      conf.get('db.synchro.remote_url').must.be('http://local.test:9876');
+    });
+
+  });
+})