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realm-js
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support defaults

This commit is contained in:
Ari Lazier 2015-09-04 15:43:26 -07:00
parent 0e665e605e
commit 16be837817
7 changed files with 80 additions and 11 deletions
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10
src/RJSObject.mm
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@ -120,6 +120,16 @@ template<> JSValueRef RJSAccessor::dict_value_for_key(JSContextRef ctx, JSValueR
return ret;
}
template<> bool RJSAccessor::has_default_value_for_property(JSContextRef ctx, const ObjectSchema &object_schema, const std::string &prop_name) {
ObjectDefaults &defaults = RJSDefaultsForClassName(object_schema.name);
return defaults.find(prop_name) != defaults.end();
}
template<> JSValueRef RJSAccessor::default_value_for_property(JSContextRef ctx, const ObjectSchema &object_schema, const std::string &prop_name) {
ObjectDefaults &defaults = RJSDefaultsForClassName(object_schema.name);
return defaults[prop_name];
}
template<> bool RJSAccessor::is_null(JSContextRef ctx, JSValueRef &val) {
return JSValueIsUndefined(ctx, val) || JSValueIsNull(ctx, val);
}

3
src/RJSSchema.hpp
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@ -17,9 +17,11 @@
////////////////////////////////////////////////////////////////////////////
#import "RJSUtil.hpp"
#import <map>
namespace realm {
class Schema;
using ObjectDefaults = std::map<std::string, JSValueRef>;
}
JSClassRef RJSSchemaClass();
@ -28,3 +30,4 @@ JSObjectRef RJSSchemaCreate(JSContextRef ctx, realm::Schema *schema);
realm::Schema RJSParseSchema(JSContextRef ctx, JSObjectRef jsonObject);
JSValueRef RJSPrototypeForClassName(const std::string &className);
realm::ObjectDefaults &RJSDefaultsForClassName(const std::string &className);

19
src/RJSSchema.mm
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@ -45,6 +45,11 @@ JSObjectRef RJSSchemaCreate(JSContextRef ctx, Schema &schema) {
return RJSWrapObject(ctx, RJSSchemaClass(), wrapper);
}
static std::map<std::string, ObjectDefaults> s_defaults;
ObjectDefaults &RJSDefaultsForClassName(const std::string &className) {
return s_defaults[className];
}
static std::map<std::string, JSValueRef> s_prototypes;
JSValueRef RJSPrototypeForClassName(const std::string &className) {
return s_prototypes[className];
@ -117,15 +122,24 @@ static inline ObjectSchema RJSParseObjectSchema(JSContextRef ctx, JSObjectRef ob
JSObjectRef propertiesObject = RJSValidatedObjectProperty(ctx, objectSchemaObject, propertiesString, "ObjectSchema object must have a 'properties' array.");
ObjectSchema objectSchema;
static JSStringRef nameString = JSStringCreateWithUTF8CString("name");
ObjectDefaults defaults;
static JSStringRef nameString = JSStringCreateWithUTF8CString("name");
objectSchema.name = RJSValidatedStringProperty(ctx, objectSchemaObject, nameString);
size_t numProperties = RJSValidatedArrayLength(ctx, propertiesObject);
for (unsigned int p = 0; p < numProperties; p++) {
JSObjectRef property = RJSValidatedObjectAtIndex(ctx, propertiesObject, p);
objectSchema.properties.emplace_back(RJSParseProperty(ctx, property));
static JSStringRef defaultString = JSStringCreateWithUTF8CString("default");
JSValueRef defaultValue = JSObjectGetProperty(ctx, property, defaultString, NULL);
if (!JSValueIsUndefined(ctx, defaultValue)) {
JSValueProtect(ctx, defaultValue);
defaults.emplace(objectSchema.properties.back().name, defaultValue);
}
}
s_defaults.emplace(objectSchema.name, std::move(defaults));
static JSStringRef primaryString = JSStringCreateWithUTF8CString("primaryKey");
JSValueRef primaryValue = RJSValidatedPropertyValue(ctx, objectSchemaObject, primaryString);
@ -141,7 +155,7 @@ static inline ObjectSchema RJSParseObjectSchema(JSContextRef ctx, JSObjectRef ob
// store prototype
if (prototypeObject) {
JSValueProtect(ctx, prototypeObject);
s_prototypes[objectSchema.name] = prototypeObject;
s_prototypes[objectSchema.name] = std::move(prototypeObject);
}
return objectSchema;
@ -158,3 +172,4 @@ realm::Schema RJSParseSchema(JSContextRef ctx, JSObjectRef jsonObject) {
return schema;
}

15
src/object-store/object_accessor.hpp
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@ -32,6 +32,9 @@ namespace realm {
static bool dict_has_value_for_key(ContextType ctx, ValueType dict, const std::string &prop_name);
static ValueType dict_value_for_key(ContextType ctx, ValueType dict, const std::string &prop_name);
static bool has_default_value_for_property(ContextType ctx, const ObjectSchema &object_schema, const std::string &prop_name);
static ValueType default_value_for_property(ContextType ctx, const ObjectSchema &object_schema, const std::string &prop_name);
static bool to_bool(ContextType ctx, ValueType &val);
static long long to_long(ContextType ctx, ValueType &val);
static float to_float(ContextType ctx, ValueType &val);
@ -184,16 +187,20 @@ namespace realm {
// populate
Object object(realm, object_schema, table->get(row_index));
for (Property &prop : object_schema.properties) {
if (Accessor::dict_has_value_for_key(ctx, value, prop.name)) {
if (created || !prop.is_primary) {
ValueType prop_value = Accessor::dict_value_for_key(ctx, value, prop.name);
object.set_property_value_impl(ctx, prop, prop_value, try_update);
}
if (Accessor::dict_has_value_for_key(ctx, value, prop.name)) {
object.set_property_value_impl(ctx, prop, Accessor::dict_value_for_key(ctx, value, prop.name), try_update);
}
else if (created) {
if (Accessor::has_default_value_for_property(ctx, object_schema, prop.name)) {
object.set_property_value_impl(ctx, prop, Accessor::default_value_for_property(ctx, object_schema, prop.name), try_update);
}
else {
throw std::runtime_error("Missing property value for property " + prop.name);
}
}
}
}
return object;
}
}

4
tests/ObjectTests.js
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@ -86,7 +86,7 @@ var ObjectTests = {
var realm = new Realm({schema: [LinkTypesObjectSchema, TestObjectSchema]});
var obj = null;
realm.write(function() {
obj = realm.create('LinkTypesObject', [[1], undefined, [[3]]]);
obj = realm.create('LinkTypesObject', [[1], null, [[3]]]);
});
TestCase.assertEqual(realm.objects('TestObject').length, 2);
@ -99,7 +99,7 @@ var ObjectTests = {
TestCase.assertEqual(realm.objects('TestObject').length, 2);
realm.write(function() {
obj.objectCol = undefined;
obj.objectCol = null;
obj.objectCol1 = null;
});
TestCase.assertEqual(obj.objectCol, null);

18
tests/RealmTests.js
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@ -142,6 +142,24 @@ var RealmTests = {
});
},
testRealmCreateWithDefaults: function() {
var realm = new Realm({schema: [DefaultValuesObjectSchema, TestObjectSchema]});
realm.write(function() {
var obj = realm.create('DefaultValuesObject', {});
TestCase.assertEqual(obj.boolCol, DefaultValuesObjectSchema.properties[0].default);
TestCase.assertEqual(obj.intCol, DefaultValuesObjectSchema.properties[1].default);
TestCase.assertEqualWithTolerance(obj.floatCol, DefaultValuesObjectSchema.properties[2].default, 0.000001);
TestCase.assertEqual(obj.doubleCol, DefaultValuesObjectSchema.properties[3].default);
TestCase.assertEqual(obj.stringCol, DefaultValuesObjectSchema.properties[4].default);
TestCase.assertEqual(obj.dateCol.getTime(), DefaultValuesObjectSchema.properties[5].default.getTime());
TestCase.assertEqual(obj.dataCol, DefaultValuesObjectSchema.properties[6].default);
TestCase.assertEqual(obj.objectCol.doubleCol, DefaultValuesObjectSchema.properties[7].default[0]);
TestCase.assertEqual(obj.nullObjectCol, null);
TestCase.assertEqual(obj.arrayCol.length, DefaultValuesObjectSchema.properties[9].default.length);
TestCase.assertEqual(obj.arrayCol[0].doubleCol, DefaultValuesObjectSchema.properties[9].default[0][0]);
});
},
testRealmDelete: function() {
var realm = new Realm({schema: [TestObjectSchema]});
realm.write(function() {

16
tests/TestObjects.js
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@ -85,3 +85,19 @@ var AllTypesObjectSchema = {
]
};
var DefaultValuesObjectSchema = {
name: 'DefaultValuesObject',
properties: [
{name: 'boolCol', type: RealmType.Bool, default: true},
{name: 'intCol', type: RealmType.Int, default: -1},
{name: 'floatCol', type: RealmType.Float, default: -1.1},
{name: 'doubleCol', type: RealmType.Double, default: -1.11},
{name: 'stringCol', type: RealmType.String, default: 'defaultString'},
{name: 'dateCol', type: RealmType.Date, default: new Date(1.111)},
{name: 'dataCol', type: RealmType.Data, default: 'defaultData'},
{name: 'objectCol', type: 'TestObject', default: [1]},
{name: 'nullObjectCol', type: 'TestObject', default: null},
{name: 'arrayCol', type: RealmType.Array, objectType: 'TestObject', default: [[2]]},
]
};