Expand tests.

tests/Feature/Controllers/JavascriptControllerTest.php

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+<?php
+/**
+ * JavascriptControllerTest.php
+ * Copyright (c) 2017 thegrumpydictator@gmail.com
+ * This software may be modified and distributed under the terms of the Creative Commons Attribution-ShareAlike 4.0 International License.
+ *
+ * See the LICENSE file for details.
+ */
+
+declare(strict_types = 1);
+
+namespace Tests\Feature\Controllers;
+
+use FireflyIII\Models\Account;
+use FireflyIII\Models\AccountType;
+use FireflyIII\Models\TransactionCurrency;
+use FireflyIII\Repositories\Account\AccountRepositoryInterface;
+use FireflyIII\Repositories\Currency\CurrencyRepositoryInterface;
+use Illuminate\Support\Collection;
+use Tests\TestCase;
+
+/**
+ * Class JavascriptControllerTest
+ *
+ * @package Tests\Feature\Controllers
+ */
+class JavascriptControllerTest extends TestCase
+{
+    /**
+     * @covers       \FireflyIII\Http\Controllers\JavascriptController::accounts
+     */
+    public function testAccounts()
+    {
+        $accountRepos  = $this->mock(AccountRepositoryInterface::class);
+        $currencyRepos = $this->mock(CurrencyRepositoryInterface::class);
+        $account       = factory(Account::class)->make();
+
+        $accountRepos->shouldReceive('getAccountsByType')->andReturn(new Collection([$account]))
+                     ->withArgs([[AccountType::DEFAULT, AccountType::ASSET]])->once();
+        $currencyRepos->shouldReceive('findByCode')->withArgs(['EUR'])->andReturn(new TransactionCurrency);
+
+        $this->be($this->user());
+        $response = $this->get(route('javascript.accounts'));
+        $response->assertStatus(200);
+    }
+
+    /**
+     * @covers       \FireflyIII\Http\Controllers\JavascriptController::variables
+     * @covers       \FireflyIII\Http\Controllers\JavascriptController::getDateRangePicker
+     *
+     * @param string $range
+     *
+     * @dataProvider dateRangeProvider
+     */
+    public function testVariables(string $range)
+    {
+        $this->be($this->user());
+        $this->changeDateRange($this->user(), $range);
+        $response = $this->get(route('javascript.variables'));
+        $response->assertStatus(200);
+    }
+
+}