Vim/test/textEditor.test.ts

"use strict";

import * as assert from 'assert';
import * as vscode from 'vscode';
import { TextEditor } from './../src/textEditor';
import { setupWorkspace, cleanUpWorkspace } from './testUtils';

suite("text editor", () => {
    suiteSetup(setupWorkspace);

    suiteTeardown(cleanUpWorkspace);

    test("insert 'Hello World'", async () => {
    let expectedText = "Hello World";

        await TextEditor.insert(expectedText);

        assert.equal(vscode.window.activeTextEditor.document.lineCount, 1);
        let actualText = TextEditor.readLineAt(0);
        assert.equal(actualText, expectedText);
    });

    test("replace 'World' with 'Foo Bar'", async () => {
        let newText = "Foo Bar";
        let start = new vscode.Position(0, 6);
        let end = new vscode.Position(0, 11);
        let range : vscode.Range = new vscode.Range(start, end);

        await TextEditor.replace(range, newText);
        assert.equal(vscode.window.activeTextEditor.document.lineCount, 1);

        let actualText = TextEditor.readLineAt(0);
        assert.equal(actualText, "Hello Foo Bar");
    });

    test("delete `Hello`", async () => {
        assert.equal(vscode.window.activeTextEditor.document.lineCount, 1);

        let end = new vscode.Position(0, 5);
        let range = new vscode.Range(new vscode.Position(0, 0), end);

        await TextEditor.delete(range);
        let actualText = TextEditor.readLineAt(0);
        assert.equal(actualText, " Foo Bar");
    });

    test("delete the whole line", async () => {
        assert.equal(vscode.window.activeTextEditor.document.lineCount, 1);

        let range = vscode.window.activeTextEditor.document.lineAt(0).range;

        await TextEditor.delete(range);
        let actualText = TextEditor.readLineAt(0);
        assert.equal(actualText, "");
    });

    test("try to read lines that don't exist", () => {
        assert.equal(vscode.window.activeTextEditor.document.lineCount, 1);
        assert.throws(() => TextEditor.readLineAt(1), RangeError);
        assert.throws(() => TextEditor.readLineAt(2), RangeError);
    });
});