public void BsonKeyValueNode_stores_value_as_an_update()
{
// ARRANGE
var node = new BsonKeyValueNode <int>(this.nodes, new BsonDocument());
this.nodes.Insert(node.BsonDocument);
// ACT
node.SetValue(1);
// ASSERT
Assert.True(node.TryGetValue(out var value));
Assert.Equal(1, value);
// check db update writes the node
var nodeDoc = this.nodes.FindAll().Single();
Assert.True(nodeDoc.TryGetValue("_id", out var nodeDocId));
Assert.False(nodeDoc.TryGetValue("key", out var nodeDocKey));
Assert.True(nodeDoc.TryGetValue("value", out var nodeDocValue));
Assert.Equal(1, nodeDocValue.RawValue);
}
public void BsonKeyValueNode_are_equal_if_ids_are_same()
{
// ARRANGE
// nodes share doucment but not the data
var id = ObjectId.NewObjectId();
var bsonDocument1 = new BsonDocument();
bsonDocument1.Set("_id", id);
var bsonDocument2 = new BsonDocument();
bsonDocument2.Set("_id", id);
var node1 = new BsonKeyValueNode <int>(this.nodes, bsonDocument1, "key", 1);
var node2 = new BsonKeyValueNode <int>(this.nodes, bsonDocument2, "key2", 2);
// ACT
var result = node1.Equals(node2);
// ACT & ASSERT
Assert.True(result);
Assert.Equal(node1.GetHashCode(), node2.GetHashCode());
}
public void BsonKeyValueNode_clears_stored_value()
{
// ARRANGE
var node = new BsonKeyValueNode <int>(this.nodes, new BsonDocument());
this.nodes.Insert(node.BsonDocument);
node.SetValue(1);
// ACT
var result = node.RemoveValue();
// ASSERT
Assert.True(result);
Assert.False(node.TryGetValue(out var value));
// check db: removes uses update which doesn
var nodeDoc = this.nodes.FindAll().Single();
Assert.True(nodeDoc.TryGetValue("_id", out var nodeDocId));
Assert.False(nodeDoc.TryGetValue("key", out var nodeDocKey));
Assert.False(nodeDoc.TryGetValue("value", out var valueBson));
}
public void BsonKeyValueNode_enforces_id()
{
// ARRANGE
var node = new BsonKeyValueNode <int>(this.nodes, new BsonDocument());
// ACT & ASSERT
Assert.True(node.TryGetId(out var id));
// check db: nothing should have been written
Assert.False(this.nodes.FindAll().Any());
}
public void BsonKeyValueNode_is_empty_by_default()
{
// ARRANGE
var node = new BsonKeyValueNode <int>(this.nodes, new BsonDocument());
// ACT & ASSERT
Assert.False(node.TryGetValue(out var value));
Assert.False(node.TryGetKey(out var key));
// check db: nothing should have been written
Assert.False(this.nodes.FindAll().Any());
}
public void BsonKeyValueNode_clears_unset_value()
{
// ARRANGE
var node = new BsonKeyValueNode <int>(this.nodes, new BsonDocument());
// ACT
var result = node.RemoveValue();
// ASSERT
Assert.False(result);
Assert.False(node.TryGetValue(out var value));
}
public void BsonKeyValueNode_holds_key_and_value()
{
// ARRANGE
var node = new BsonKeyValueNode <int>(this.nodes, new BsonDocument(), "key", 1);
// ACT & ASSERT
Assert.True(node.TryGetKey(out var key));
Assert.Equal("key", key);
Assert.True(node.TryGetValue(out var value));
Assert.Equal(1, value);
// check db: nothing should have been written
Assert.False(this.nodes.FindAll().Any());
}
public void BsonKeyValueNode_sees_Null_key_as_unset()
{
// ARRANGE
var bsonDocument = new BsonDocument();
bsonDocument.Set("key", BsonValue.Null);
var node = new BsonKeyValueNode <int>(this.nodes, bsonDocument);
// ACT & ASSERT
Assert.False(node.TryGetKey(out var key));
// check db: nothing should have been written
Assert.False(this.nodes.FindAll().Any());
}
public void BsonKeyValueNode_are_equal_if_documents_are_same()
{
// ARRANGE
// nodes share doucment but not the data
var bsonDocument = new BsonDocument();
var node1 = new BsonKeyValueNode <int>(this.nodes, bsonDocument, "key", 1);
var node2 = new BsonKeyValueNode <int>(this.nodes, bsonDocument, "key2", 2);
// ACT
var result = node1.Equals(node2);
// ACT & ASSERT
Assert.True(result);
Assert.Equal(node1.GetHashCode(), node2.GetHashCode());
}
public void BsonKeyValueNode_fails_on_SetValue_for_unsaved_document()
{
// ARRANGE
var node = new BsonKeyValueNode <int>(this.nodes, new BsonDocument());
// ACT
node.SetValue(1);
// ASSERT
Assert.True(node.TryGetValue(out var value));
Assert.Equal(1, value);
// check db update writes the node
Assert.False(this.nodes.FindAll().Any());
}