private async void NodeWriterTestInternal()
{
// One node description to file
File.Delete(filePath);
INodeWriter implementation = new NodeWriter(new NodeDescriber(new NodesHelper()));
await implementation.WriteToFileAsync(new NoChildrenNode("root"), filePath);
var result = File.ReadAllText(filePath, Encoding.Unicode);
Assert.AreEqual("new NoChildrenNode(\"root\");", result);
// Multiple nodes description to file
File.Delete(filePath);
implementation = new NodeWriter(new NodeDescriber(new NodesHelper()));
await implementation.WriteToFileAsync(new SingleChildNode("root",
new TwoChildrenNode("child1",
new NoChildrenNode("leaf1"),
new SingleChildNode("child2",
new NoChildrenNode("leaf2")))), filePath);
result = File.ReadAllText(filePath, Encoding.Unicode);
StringBuilder sb = new StringBuilder();
sb.Append("new SingleChildNode(\"root\","); sb.Append(Environment.NewLine);
sb.Append(tab); sb.Append("new TwoChildrenNode(\"child1\","); sb.Append(Environment.NewLine);
sb.Append(tab); sb.Append(tab); sb.Append("new NoChildrenNode(\"leaf1\"),"); sb.Append(Environment.NewLine);
sb.Append(tab); sb.Append(tab); sb.Append("new SingleChildNode(\"child2\","); sb.Append(Environment.NewLine);
sb.Append(tab); sb.Append(tab); sb.Append(tab); sb.Append("new NoChildrenNode(\"leaf2\"))));");
string expectedResult = sb.ToString();
Assert.AreEqual(sb.ToString(), result);
}
public async Task WriteEmpty()
{
var filePath = "test-tree-empty.txt";
INodeWriter implementation = new NodeWriter();
await implementation.WriteToFileAsync(null, filePath);
var result = File.ReadAllText(filePath);
Assert.AreEqual("", result);
}
public async Task WriteToFileAsyncTest()
{
var filePath = "test-tree.txt";
var node = new SingleChildNode("root",
new TwoChildrenNode("child1",
new NoChildrenNode("leaf1"),
new SingleChildNode("child2",
new NoChildrenNode("leaf2"))));
INodeWriter implementation = new NodeWriter();
await implementation.WriteToFileAsync(node, filePath);
var result = File.ReadAllText(filePath);
Assert.AreEqual(
"new SingleChildNode(\"root\",\n" +
" new TwoChildrenNode(\"child1\",\n" +
" new NoChildrenNode(\"leaf1\"),\n" +
" new SingleChildNode(\"child2\",\n" +
" new NoChildrenNode(\"leaf2\"))))",
result
);
}