Strategies tests

package.json

@@ -51,10 +51,12 @@
         "test": "npm run compile && node ./node_modules/vscode/bin/test"
     },
     "devDependencies": {
-        "@types/mocha": "^2.2.42",
         "@types/node": "^7.0.43",
+        "@types/mocha": "^5.2.6",
         "tslint": "^5.8.0",
         "typescript": "^2.6.1",
-        "vscode": "^1.1.36"
+        "vscode": "^1.1.36",
+        "mocha": "^6.1.4",
+		"sinon": "^7.5.0"
     }
 }

src/test/extension.test.ts

@@ -1,22 +1,81 @@
-//
-// Note: This example test is leveraging the Mocha test framework.
-// Please refer to their documentation on https://mochajs.org/ for help.
-//
 
-// The module 'assert' provides assertion methods from node
 import * as assert from 'assert';
+import { after, before, it, describe } from 'mocha';
+import * as vscode from 'vscode';
+import {Docstring} from '../generateDocString';
 
-// You can import and use all API from the 'vscode' module
-// as well as import your extension to test it
-// import * as vscode from 'vscode';
-// import * as myExtension from '../extension';
+const path = require('path');
+const sinon = require('sinon');
+const fs = require('fs');
 
-// Defines a Mocha test suite to group tests of similar kind together
-suite("Extension Tests", function () {
 
-    // Defines a Mocha unit test
-    test("Something 1", function() {
-        assert.equal(-1, [1, 2, 3].indexOf(5));
-        assert.equal(-1, [1, 2, 3].indexOf(0));
+const fileFunctionPath = __dirname + 'example_function.py'
+const fileClassPath = __dirname + 'example_class.py'
+const fileFunctionContent = `def test1(arg1, arg2):`;
+const fileClassContent = `class test1():`;
+
+describe('GenerateDocString file strategies tests', () => {
+    before(() => {
+        fs.writeFile(fileFunctionPath, fileFunctionContent, (err: string) => console.log(err));
+        fs.writeFile(fileClassPath, fileClassContent, (err: string) => console.log(err));
+    });
+    after(() => {
+        fs.unlinkSync(fileFunctionPath);
+        fs.unlinkSync(fileClassPath);
+    });
+
+    it('Should call Function extract strategy', async function() {
+       this.timeout(7000);
+
+        const document = await vscode.workspace.openTextDocument(fileFunctionPath);
+        const editor = await vscode.window.showTextDocument(document);
+        editor.selection.with(new vscode.Position(0,0), new vscode.Position(0, 22));
+        const pydoc = new Docstring(editor);
+
+        const spyExtractFunctionHeader = sinon.spy(Docstring.prototype, <any>"extractFunctionHeader");
+        const spygenerateFuncDocstring = sinon.spy(Docstring.prototype, <any>"generateFuncDocstring");
+        const spygenerateParamDocstring = sinon.spy(Docstring.prototype, <any>"generateParamDocstring");
+        const spygenerateClassDocstring = sinon.spy(Docstring.prototype, <any>"generateClassDocstring");
+
+        pydoc.createDocstring();
+
+        assert.ok(spyExtractFunctionHeader.called);
+        assert.ok(spygenerateFuncDocstring.called);
+        assert.ok(spygenerateParamDocstring.called);
+
+        assert.ok(!spygenerateClassDocstring.called);
+
+        spyExtractFunctionHeader.restore();
+        spygenerateClassDocstring.restore();
+        spygenerateParamDocstring.restore();
+        spygenerateFuncDocstring.restore();
     });
-});
+
+    it('Should call Class extract strategy', async function() {
+        this.timeout(7000);
+
+        const document = await vscode.workspace.openTextDocument(fileClassPath);
+        const editor = await vscode.window.showTextDocument(document);
+        editor.selection.with(new vscode.Position(0,0), new vscode.Position(0, 22));
+        const pydoc = new Docstring(editor);
+
+        const spyExtractFunctionHeader = sinon.spy(Docstring.prototype, <any>"extractFunctionHeader");
+        const spygenerateFuncDocstring = sinon.spy(Docstring.prototype, <any>"generateFuncDocstring");
+        const spygenerateParamDocstring = sinon.spy(Docstring.prototype, <any>"generateParamDocstring");
+        const spygenerateClassDocstring = sinon.spy(Docstring.prototype, <any>"generateClassDocstring");
+
+        pydoc.createDocstring();
+
+        assert.ok(spyExtractFunctionHeader.called);
+        assert.ok(spygenerateClassDocstring.called);
+
+        assert.ok(!spygenerateFuncDocstring.called);
+        assert.ok(!spygenerateParamDocstring.called);
+
+        spyExtractFunctionHeader.restore();
+        spygenerateClassDocstring.restore();
+        spygenerateParamDocstring.restore();
+        spygenerateFuncDocstring.restore();
+    });
+});
+