Delete implemented

test/parse-delete-tree.test.js

@@ -0,0 +1,111 @@
+const buildTypeGraph = require('../source/build-type-graph');
+const parseInput = require('../source/parse-input');
+const parseDeleteTree = require('../source/parse-delete-tree');
+
+//schemas
+const simpleSchema = `
+
+scalar Date
+
+type Book {
+	unique String title
+	Date published
+	Float rating
+}
+
+type Author {
+	unique String name
+	Book books
+}
+
+`;
+
+const simpleBookQuery = `
+
+delete Book {
+	match title "The Wind in the Willows"
+}
+
+`;
+
+const compoundBookQuery = `
+
+delete Book [
+	{
+		match title "The Philosopher's Kidney Stone"
+	}
+	{
+		match title "The Chamber Pot of Secrets"
+	}
+	{
+		match title "The Prisoner of Aunt Kazban"
+	}
+	{
+		match title "The Goblet of the Fire Cocktail"
+	}
+	{
+		match title "The Order for Kleenex"
+	}
+	{
+		match title "The Half-Priced Pharmacy"
+	}
+	{
+		match title "Yeah, I Got Nothing"
+	}
+]
+
+`;
+
+const multipleFieldsQuery = `
+
+delete Book {
+	match title "The Wind in the Willows"
+	match published "1908-04-01"
+}
+
+`;
+
+//do stuff
+test('parseDeleteTree - delete a single book', () => {
+	//setup
+	const tokens = parseInput(simpleBookQuery, true);
+	const graph = buildTypeGraph(simpleSchema);
+
+	//process
+	const deleteTree = parseDeleteTree(tokens, graph);
+
+	//inspect
+	expect(deleteTree.length).toEqual(1);
+	expect(deleteTree[0].delete).toEqual(true);
+	expect(deleteTree[0].title.match).toEqual('The Wind in the Willows');
+});
+
+test('parseDeleteTree - delete multiple books', () => {
+	//setup
+	const tokens = parseInput(compoundBookQuery, true);
+	const graph = buildTypeGraph(simpleSchema);
+
+	//process
+	const deleteTree = parseDeleteTree(tokens, graph);
+
+	//inspect
+	expect(deleteTree.length).toEqual(7);
+	expect(deleteTree[0].delete).toEqual(true);
+	expect(deleteTree[0].title.match).toEqual('The Philosopher\'s Kidney Stone');
+});
+
+test('parseDeleteTree - delete a book based on multiple match conditions', () => {
+	//setup
+	const tokens = parseInput(multipleFieldsQuery, true);
+	const graph = buildTypeGraph(simpleSchema);
+
+	//process
+	const deleteTree = parseDeleteTree(tokens, graph);
+
+	//inspect
+	expect(deleteTree.length).toEqual(1);
+	expect(deleteTree[0].delete).toEqual(true);
+	expect(deleteTree[0].title.match).toEqual('The Wind in the Willows');
+	expect(deleteTree[0].published.match).toEqual('1908-04-01');
+});
+