public void DiffKeysWithArrays()
{
using (var engine = new JavascriptEngine()) {
engine.Execute("var a = {};");
var startObj = engine.ExecuteAndReturn("a");
engine.Execute("var a = {};");
engine.Execute("a.users = []");
var endObj = engine.ExecuteAndReturn("a");
// Added
var diff = new ObjectDiff();
diff.Diff(startObj, endObj, "a");
Assert.AreEqual(1, diff.Added.Count);
Assert.AreEqual("a.users", diff.Added.Keys.First(), "It actually equals " + diff.Added.Keys.First());
var val = JsonConvert.SerializeObject(diff.Added.First().Value);
Assert.AreEqual("[]", val);
}
using (var engine = new JavascriptEngine())
{
engine.Execute("var a = {};");
engine.Execute("a.users = []");
var startObj = engine.ExecuteAndReturn("a");
engine.Execute("var a = {};");
engine.Execute("a.users = []");
engine.Execute("a.users[1] = 12");
var endObj = engine.ExecuteAndReturn("a");
// Added
var diff = new ObjectDiff();
diff.Diff(startObj, endObj, "a");
Assert.AreEqual(2, diff.Added.Count);
Assert.True(diff.Added.ContainsKey("a.users[0]"));
Assert.True(diff.Added.ContainsKey("a.users[1]"));
// Deleted
diff = new ObjectDiff();
diff.Diff(endObj, startObj, "a");
Assert.AreEqual(2, diff.Deleted.Count);
Assert.True(diff.Deleted.Contains("a.users[0]"));
Assert.True(diff.Deleted.Contains("a.users[1]"));
// Modified
engine.Execute("var a = {};");
engine.Execute("a.users = []");
engine.Execute("a.users[1] = 14");
var changedObj = engine.ExecuteAndReturn("a");
diff = new ObjectDiff();
diff.Diff(endObj, changedObj, "a");
Assert.AreEqual(1, diff.Modified.Count);
Assert.AreEqual("a.users[1]", diff.Modified.Keys.First(), "It actually equals " + diff.Modified.Keys.First());
}
}
public void IsArray()
{
var js = new JavascriptEngine();
var arrays = new object[] {
js.ExecuteAndReturn("[\"a\"]"),
new string[1] {
"a"
},
};
var notArrays = new object[]
{
js.ExecuteAndReturn("\"a\""),
new ExpandoObject(),
new Dictionary <int, string>()
};
for (var i = 0; i < arrays.Length; i++)
{
try
{
Assert.True(ObjectDiff.IsArray(arrays[i]), "Item {0} is an array", i);
}
catch (Exception e)
{
throw new Exception($"Item {i} in arrays threw an exception", e);
}
}
for (var i = 0; i < notArrays.Length; i++)
{
try
{
Assert.False(ObjectDiff.IsArray(notArrays[i]), "Item {0} is not an array", i);
}
catch (Exception e)
{
throw new Exception($"Item {i} in notArrays threw an exception", e);
}
}
}