Implemented update

test/parse-update-tree.test.js

@@ -0,0 +1,160 @@
+const buildTypeGraph = require('../source/build-type-graph');
+const parseInput = require('../source/parse-input');
+const parseUpdateTree = require('../source/parse-update-tree');
+
+//schemas
+const simpleSchema = `
+
+scalar Date
+
+type Book {
+	unique String title
+	Date published
+	Float rating
+}
+
+type Author {
+	unique String name
+	Book books
+}
+
+`;
+
+const simpleBookQuery = `
+
+update Book {
+	match title "The Wind in the Willows"
+	update rating 9.5
+}
+
+`;
+
+const compoundBookQuery = `
+
+update Book [
+	{
+		match title "The Philosopher's Kidney Stone"
+		update published "1997-06-26"
+	}
+	{
+		match title "The Chamber Pot of Secrets"
+		update published "1998-07-02"
+	}
+	{
+		match title "The Prisoner of Aunt Kazban"
+		update published "1999-07-08"
+	}
+	{
+		match title "The Goblet of the Fire Cocktail"
+		update published "2000-07-08"
+	}
+	{
+		match title "The Order for Kleenex"
+		update published "2003-06-21"
+	}
+	{
+		match title "The Half-Priced Pharmacy"
+		update published "2005-07-16"
+	}
+	{
+		match title "Yeah, I Got Nothing"
+		update published "2007-07-21"
+	}
+]
+
+`;
+
+const simpleAuthorQuery = `
+
+update Author {
+	match name "Kenneth Grahame"
+	update books {
+		match title "The Wind in the Willows"
+	}
+}
+
+`;
+
+const compoundAuthorQuery = `
+
+update Author {
+	match name "J. K. Rolling"
+	update books [
+		{ 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" }
+	]
+}
+
+`;
+
+//do stuff
+test('parseUpdateTree - update a single book', () => {
+	//setup
+	const tokens = parseInput(simpleBookQuery, true);
+	const graph = buildTypeGraph(simpleSchema);
+
+	//process
+	const updateTree = parseUpdateTree(tokens, graph);
+
+	//inspect
+	expect(updateTree.length).toEqual(1);
+	expect(updateTree[0].update).toEqual(true);
+	expect(updateTree[0].title.match).toEqual('The Wind in the Willows');
+	expect(updateTree[0].rating.update).toEqual(9.5);
+});
+
+test('parseUpdateTree - update multiple books', () => {
+	//setup
+	const tokens = parseInput(compoundBookQuery, true);
+	const graph = buildTypeGraph(simpleSchema);
+
+	//process
+	const updateTree = parseUpdateTree(tokens, graph);
+
+	//inspect
+	expect(updateTree.length).toEqual(7);
+	expect(updateTree[0].update).toEqual(true);
+	expect(updateTree[0].title.match).toEqual('The Philosopher\'s Kidney Stone');
+	expect(updateTree[0].published.update).toEqual('1997-06-26');
+});
+
+test('parseUpdateTree - single join', () => {
+	//setup
+	const tokens = parseInput(simpleAuthorQuery, true);
+	const graph = buildTypeGraph(simpleSchema);
+
+	//process
+	const updateTree = parseUpdateTree(tokens, graph);
+
+	//inspect
+	expect(updateTree.length).toEqual(1);
+	expect(updateTree[0].typeName).toEqual('Author');
+	expect(updateTree[0].update).toEqual(true);
+	expect(updateTree[0].name.match).toEqual('Kenneth Grahame');
+	expect(updateTree[0].books.length).toEqual(1);
+	expect(updateTree[0].books[0].title.match).toEqual('The Wind in the Willows');
+});
+
+test('parseUpdateTree - multiple join', () => {
+	//setup
+	const tokens = parseInput(compoundAuthorQuery, true);
+	const graph = buildTypeGraph(simpleSchema);
+
+	//process
+	const updateTree = parseUpdateTree(tokens, graph);
+
+	//inspect
+	expect(updateTree.length).toEqual(1);
+	expect(updateTree[0].typeName).toEqual('Author');
+	expect(updateTree[0].update).toEqual(true);
+	expect(updateTree[0].name.match).toEqual('J. K. Rolling');
+	expect(updateTree[0].books.length).toEqual(7);
+	expect(updateTree[0].books[0].title.match).toEqual('The Philosopher\'s Kidney Stone');
+	expect(updateTree[0].books[6].title.match).toEqual('Yeah, I Got Nothing');
+});
+