Draft 2 to 3, rules on optional, requires keyword (#43)

rules/from-draft2/to-draft3/011-optional-true-in-properties-children.json

@@ -0,0 +1,11 @@
+{
+    "vocabulary": "core",
+    "condition": [ 
+        { "operation": "has-key", "path": [], "value": "properties" },
+        { "operation": "has-key", "path": [ "properties", {} ], "value": "optional" },
+        { "operation": "equals", "path": [ "properties", {}, "optional" ], "value": true }
+    ],
+    "transform": [
+        { "operation": "remove", "path": [ "properties", {}, "optional" ] } 
+    ]
+}

rules/from-draft2/to-draft3/012-optional-false-in-properties-children-and-required-present.json

@@ -0,0 +1,12 @@
+{
+    "vocabulary": "core",
+    "condition": [ 
+        { "operation": "has-key", "path": [], "value": "properties" },
+        { "operation": "has-key", "path": [ "properties", {} ], "value": "optional" },
+        { "operation": "equals", "path": [ "properties", {}, "optional" ], "value": false },
+        { "operation": "has-key", "path": [ "properties", {} ], "value": "required" }
+    ],
+    "transform": [
+        { "operation": "prefix-until-unique", "path": [ "properties", {}, "required" ], "value": "x-" } 
+    ]
+}

rules/from-draft2/to-draft3/013-optional-false-in-properties-children.json

@@ -0,0 +1,13 @@
+{
+    "vocabulary": "core",
+    "condition": [ 
+        { "operation": "has-key", "path": [], "value": "properties" },
+        { "operation": "has-key", "path": [ "properties", {} ], "value": "optional" },
+        { "operation": "equals", "path": [ "properties", {}, "optional" ], "value": false },
+        { "operation": "not-has-key", "path": [ "properties", {} ], "value": "required" }
+    ],
+    "transform": [
+        { "operation": "move", "to": [ "properties", {}, "required" ], "from": [ "properties", {}, "optional" ] },
+        { "operation": "replace", "path": [ "properties", {}, "required" ], "value": true }
+    ]
+}

rules/from-draft2/to-draft3/014-requires-is-present-in-properties-children-initialize-dependencies.json

@@ -0,0 +1,10 @@
+{
+    "vocabulary": "core",
+    "condition": [ 
+        { "operation": "has-key", "path": [], "value": "properties" },
+        { "operation": "has-key", "path": [ "properties", {} ], "value": "requires" }
+    ],
+    "transform": [
+        { "operation": "add", "path": [ "dependencies" ], "value": {} } 
+    ]
+}

rules/from-draft2/to-draft3/015-requires-is-present-in-properties-children.json

@@ -0,0 +1,10 @@
+{
+    "vocabulary": "core",
+    "condition": [ 
+        { "operation": "has-key", "path": [], "value": "properties" },
+        { "operation": "has-key", "path": [ "properties", {} ], "value": "requires" }
+    ],
+    "transform": [
+        { "operation": "move", "to": [ "dependencies", {} ], "from": [ "properties", {}, "requires" ] } 
+    ]
+}

test/from-draft2/to-draft3/optional-in-properties-children.json

@@ -0,0 +1,53 @@
+[
+    {
+        "title": "properties has children who have optional:false and required is already present",
+        "from": {
+            "properties": {
+                "foo": {
+                    "required": "string",
+                    "optional": false
+                }
+            }
+        },
+        "to": {
+            "properties": {
+                "foo": {
+                    "x-required": "string",
+                    "required": true
+                }
+            }
+        }
+    },
+    {
+        "title": "properties has children who have optional:false",
+        "from": {
+            "properties": {
+                "foo": {
+                    "optional": false
+                }
+            }
+        },
+        "to": {
+            "properties": {
+                "foo": {
+                    "required": true
+                }
+            }
+        }
+    },
+    {
+        "title": "properties has children who have optional:true",
+        "from": {
+            "properties": {
+                "foo": {
+                    "optional": true
+                }
+            }
+        },
+        "to": {
+            "properties": {
+                "foo": {}
+            }
+        }
+    }
+]

test/from-draft2/to-draft3/requires-is-present-in-properties-children.json

@@ -0,0 +1,25 @@
+[
+    {
+        "title": "properties has children who have `requires` keyword",
+        "from": {
+            "properties": {
+                "foo": {
+                    "requires": "bar"
+                },
+                "bar": {
+                    "requires": { "type": "string"}
+                }
+            }
+        },
+        "to": {
+            "properties": {
+                "foo": {},
+                "bar": {}
+            },
+            "dependencies": {
+                "foo": "bar",
+                "bar": { "type": "string"}
+            }
+        }
+    }
+]