Merge pull request #2 from cppforlife/hunan-rostomyan-patch-1

Add the integration test example to readme

Author: cppforlife

README.md

@@ -16,3 +16,78 @@ More or less based on https://tools.ietf.org/html/rfc6901.
 
 - Remove
 - Replace
+
+## Example
+
+### Input
+
+```yaml
+releases:
+- name: capi
+  version: 0.1
+
+instance_groups:
+- name: cloud_controller
+  instances: 0
+  jobs:
+  - name: cloud_controller
+    release: capi
+
+- name: uaa
+  instances: 0
+```
+
+### Operations
+
+```yaml
+- type: replace
+  path: /instance_groups/name=cloud_controller/instances
+  value: 1
+
+- type: replace
+  path: /instance_groups/name=cloud_controller/jobs/name=cloud_controller/consumes?/db
+  value:
+    instances:
+    - address: some-db.local
+    properties:
+      username: user
+      password: pass
+
+- type: replace
+  path: /instance_groups/name=uaa/instances
+  value: 1
+
+- type: replace
+  path: /instance_groups/-
+  value:
+    name: uaadb
+    instances: 2
+```
+
+### Output
+
+```yaml
+releases:
+- name: capi
+  version: latest
+
+instance_groups:
+- name: cloud_controller
+  instances: 1
+  jobs:
+  - name: cloud_controller
+    release: capi
+    consumes:
+      db:
+        instances:
+        - address: some-db.local
+        properties:
+          username: user
+          password: pass
+
+- name: uaa
+  instances: 1
+
+- name: uaadb
+  instances: 2
+```