Transform various keywords from Draft 4 to Draft 6 (#40)

rules/from-draft4/to-draft6/001-unknown-in-previous-draft-const.json

@@ -0,0 +1,9 @@
+{
+    "vocabulary": "validation",
+    "condition": [ 
+        { "operation": "has-key", "path": [], "value": "const" }
+    ],
+    "transform": [
+        { "operation": "prefix-until-unique", "path": [ "const" ], "value": "x-" } 
+    ]
+}

rules/from-draft4/to-draft6/002-unknown-in-previous-draft-contains.json

@@ -0,0 +1,9 @@
+{
+    "vocabulary": "validation",
+    "condition": [ 
+        { "operation": "has-key", "path": [], "value": "contains" }
+    ],
+    "transform": [
+        { "operation": "prefix-until-unique", "path": [ "contains" ], "value": "x-" } 
+    ]
+}

rules/from-draft4/to-draft6/003-unknown-in-previous-draft-examples.json

@@ -0,0 +1,9 @@
+{
+    "vocabulary": "validation",
+    "condition": [ 
+        { "operation": "has-key", "path": [], "value": "examples" }
+    ],
+    "transform": [
+        { "operation": "prefix-until-unique", "path": [ "examples" ], "value": "x-" } 
+    ]
+}

rules/from-draft4/to-draft6/004-unknown-in-previous-draft-propertyNames.json

@@ -0,0 +1,9 @@
+{
+    "vocabulary": "valildation",
+    "condition": [ 
+        { "operation": "has-key", "path": [], "value": "propertyNames" }
+    ],
+    "transform": [
+        { "operation": "prefix-until-unique", "path": [ "propertyNames" ], "value": "x-" } 
+    ]
+}

rules/from-draft4/to-draft6/005-unknown-in-previous-draft-$id.json

@@ -0,0 +1,9 @@
+{
+    "vocabulary": "core",
+    "condition": [ 
+        { "operation": "has-key", "path": [], "value": "$id" }
+    ],
+    "transform": [
+        { "operation": "prefix-until-unique", "path": [ "$id" ], "value": "x-" } 
+    ]
+}

rules/from-draft4/to-draft6/006-schema.json

@@ -0,0 +1,10 @@
+{
+    "vocabulary": "core",
+    "condition": [ 
+        { "operation": "has-key", "path": [], "value": "$schema" },
+        { "operation": "match-pattern", "path": [ "$schema" ], "value": "^http[s]?://json-schema.org/draft-04/schema[#]?$" } 
+    ],
+    "transform": [
+        { "operation": "replace", "path": [ "$schema" ], "value": "http://json-schema.org/draft-06/schema#" } 
+    ]
+}

rules/from-draft4/to-draft6/007-id-present.json

@@ -0,0 +1,9 @@
+{
+    "vocabulary": "core",
+    "condition": [ 
+        { "operation": "has-key", "path": [], "value": "id" }
+    ],
+    "transform": [
+        { "operation": "move", "to": [ "$id" ], "from": [ "id" ] } 
+    ]
+}

test/from-draft4/to-draft6/id-present.json

@@ -0,0 +1,11 @@
+[
+    {
+        "title": "id present in the schema",
+        "from": {
+            "id": "http://example.com"
+        },
+        "to": {
+            "$id": "http://example.com"
+        }
+    }
+]

test/from-draft4/to-draft6/schema.json

@@ -0,0 +1,73 @@
+[
+    {
+        "title": "Simple matching schema",
+        "from": {
+            "$schema": "https://json-schema.org/draft-04/schema#"
+        },
+        "to": {
+            "$schema": "http://json-schema.org/draft-06/schema#"
+        }
+    },
+    {
+        "title": "Simple non matching schema",
+        "from": {
+            "$schema": "http://json-schema.org/draft-06/schema#"
+        },
+        "to": {
+            "$schema": "http://json-schema.org/draft-06/schema#"
+        }
+    },
+    {
+        "title": "Nested matching schema",
+        "from": {
+            "$schema": "https://json-schema.org/draft-04/schema#",
+            "definitions": {
+                "foo": {
+                    "$schema": "https://json-schema.org/draft-04/schema#"
+                }
+            }
+        },
+        "to": {
+            "$schema": "http://json-schema.org/draft-06/schema#",
+            "definitions": {
+                "foo": {
+                    "$schema": "http://json-schema.org/draft-06/schema#"
+                }
+            }
+        }
+    },
+    {
+        "title": "Nested half matching schema",
+        "from": {
+            "$schema": "http://json-schema.org/draft-06/schema#",
+            "definitions": {
+                "foo": {
+                    "$schema": "https://json-schema.org/draft-04/schema#"
+                }
+            }
+        },
+        "to": {
+            "$schema": "http://json-schema.org/draft-06/schema#",
+            "definitions": {
+                "foo": {
+                    "$schema": "http://json-schema.org/draft-06/schema#"
+                }
+            }
+        }
+    },
+    {
+        "title": "$schema inside unknown keyword",
+        "from": {
+            "$schema": "https://json-schema.org/draft-04/schema#",
+            "foo": {
+                "$schema": "https://json-schema.org/draft-04/schema#"
+            }
+        },
+        "to": {
+            "$schema": "http://json-schema.org/draft-06/schema#",
+            "foo": {
+                "$schema": "https://json-schema.org/draft-04/schema#"
+            }
+        }
+    }
+]

test/from-draft4/to-draft6/unknown-in-previous-draft-$id.json

@@ -0,0 +1,24 @@
+[
+    {
+        "title": "$id present in the schema",
+        "from": {
+            "$id": "newbie"
+        },
+        "to": {
+            "x-$id": "newbie"            
+        }
+    },
+    {
+        "title": "$id with $id having `x-` as prefix",
+        "from": {
+            "x-$id": "expert",
+            "x-x-$id": "master",
+            "$id": "newbie"
+        },
+        "to": {
+            "x-$id": "expert",
+            "x-x-$id": "master",
+            "x-x-x-$id": "newbie"
+        }
+    }
+]

test/from-draft4/to-draft6/unknown-in-previous-draft-const.json

@@ -0,0 +1,24 @@
+[
+    {
+        "title": "const present in the schema",
+        "from": {
+            "const": "newbie"
+        },
+        "to": {
+            "x-const": "newbie"            
+        }
+    },
+    {
+        "title": "const with const having `x-` as prefix",
+        "from": {
+            "x-const": "expert",
+            "x-x-const": "master",
+            "const": "newbie"
+        },
+        "to": {
+            "x-const": "expert",
+            "x-x-const": "master",
+            "x-x-x-const": "newbie"
+        }
+    }
+]

test/from-draft4/to-draft6/unknown-in-previous-draft-contains.json

@@ -0,0 +1,24 @@
+[
+    {
+        "title": "contains present in the schema",
+        "from": {
+            "contains": "newbie"
+        },
+        "to": {
+            "x-contains": "newbie"            
+        }
+    },
+    {
+        "title": "contains with contains having `x-` as prefix",
+        "from": {
+            "x-contains": "expert",
+            "x-x-contains": "master",
+            "contains": "newbie"
+        },
+        "to": {
+            "x-contains": "expert",
+            "x-x-contains": "master",
+            "x-x-x-contains": "newbie"
+        }
+    }
+]

test/from-draft4/to-draft6/unknown-in-previous-draft-examples.json

@@ -0,0 +1,24 @@
+[
+    {
+        "title": "examples present in the schema",
+        "from": {
+            "examples": "newbie"
+        },
+        "to": {
+            "x-examples": "newbie"            
+        }
+    },
+    {
+        "title": "examples with examples having `x-` as prefix",
+        "from": {
+            "x-examples": "expert",
+            "x-x-examples": "master",
+            "examples": "newbie"
+        },
+        "to": {
+            "x-examples": "expert",
+            "x-x-examples": "master",
+            "x-x-x-examples": "newbie"
+        }
+    }
+]

test/from-draft4/to-draft6/unknown-in-previous-draft-propertyNames.json

@@ -0,0 +1,24 @@
+[
+    {
+        "title": "propertyNames present in the schema",
+        "from": {
+            "propertyNames": "newbie"
+        },
+        "to": {
+            "x-propertyNames": "newbie"            
+        }
+    },
+    {
+        "title": "propertyNames with propertyNames having `x-` as prefix",
+        "from": {
+            "x-propertyNames": "expert",
+            "x-x-propertyNames": "master",
+            "propertyNames": "newbie"
+        },
+        "to": {
+            "x-propertyNames": "expert",
+            "x-x-propertyNames": "master",
+            "x-x-x-propertyNames": "newbie"
+        }
+    }
+]