A little more testing

test/go.test.ts

@@ -4,16 +4,19 @@ import * as fs from 'fs-extra';
 import * as path from 'path';
 import * as vscode from 'vscode';
 import { GoHoverProvider } from '../src/goExtraInfo';
-
-// setup:
-//     Fixture path: $GOPATH/src/___testrepo/test/testfixture/test.go
-//     Fixture file: test.go
-// Contents:
+import { GoCompletionItemProvider } from '../src/goSuggest';
 
 var fixtureSrc =
-	`package main
+`package main
+
+import ( 
+	"fmt"
+)
+func print(txt string) {
+	fmt.Println(txt)
+}
 func main() {
-	main()
+	print("Hello")
 }`;
 
 suite("Go Extension Tests", () => {
@@ -35,17 +38,45 @@ suite("Go Extension Tests", () => {
 
 	test("Test Hover Provider", (done) => {
 		let provider = new GoHoverProvider();
-		let position = new vscode.Position(1, 6);
-
+		let testCases: [vscode.Position, string][] = [
+			[new vscode.Position(3,3), '/usr/local/go/src/fmt'],
+			[new vscode.Position(8,6), 'main func()'],
+			[new vscode.Position(6,2), 'import (fmt "fmt")'],
+			[new vscode.Position(6,6), 'Println func(a ...interface{}) (n int, err error)'],
+			[new vscode.Position(9,3), 'print func(txt string)']
+		];
 		let uri = vscode.Uri.file(fixture);
 		vscode.workspace.openTextDocument(uri).then((textDocument) => {
-			provider.provideHover(textDocument, position, null).then(value => {
-				assert.equal(value.contents.length, 1);
-				assert.equal('main func()', (<{ language: string; value: string }>value.contents[0]).value, 'hover text does not match');
-				done();
-			});
+			let promises = testCases.map(([position, expected]) => 
+				provider.provideHover(textDocument, position, null).then(res => {
+					assert.equal(res.contents.length, 1);
+					assert.equal(expected, (<{ language: string; value: string }>res.contents[0]).value);
+				})
+			);
+			return Promise.all(promises);
 		}, (err) => {
 			assert.ok(false, `error in OpenTextDocument ${err}`);
-		});
+		}).then(() => done(),done);
+	});
+
+	test("Test Completion", (done) => {
+		let provider = new GoCompletionItemProvider();
+		let testCases: [vscode.Position, string[]][] = [
+			[new vscode.Position(1,0), []],
+			[new vscode.Position(4,1), ['main', 'print', 'fmt']],
+			[new vscode.Position(6,4), ['fmt']],
+			[new vscode.Position(7,0), ['main', 'print', 'fmt', 'txt']]
+		];
+		let uri = vscode.Uri.file(fixture);
+		vscode.workspace.openTextDocument(uri).then((textDocument) => {
+			let promises = testCases.map(([position, expected]) => 
+				provider.provideCompletionItems(textDocument, position, null).then(items => {
+					assert.deepEqual(expected, items.map(x => x.label));
+				})
+			);
+			return Promise.all(promises);
+		}, (err) => {
+			assert.ok(false, `error in OpenTextDocument ${err}`);
+		}).then(() => done(),done);
 	});
 });