From c1c344b0cf52e2cc6dd086eaf1d52636efecbf5b Mon Sep 17 00:00:00 2001
From: ksdev <ks.cloudbox@gmail.com>
Date: Sat, 4 Jul 2015 23:45:39 +0200
Subject: [PATCH] Tests

---
 tests/NBPCurrencyConverterTest.php           | 141 +++++++++++++++++--
 tests/{exchange_rates.xml => test_rates.xml} |   0
 2 files changed, 131 insertions(+), 10 deletions(-)
 rename tests/{exchange_rates.xml => test_rates.xml} (100%)

diff --git a/tests/NBPCurrencyConverterTest.php b/tests/NBPCurrencyConverterTest.php
index 4328c51..b2aaf4c 100644
--- a/tests/NBPCurrencyConverterTest.php
+++ b/tests/NBPCurrencyConverterTest.php
@@ -7,19 +7,24 @@
 
 class NBPCurrencyConverterTest extends \PHPUnit_Framework_TestCase
 {
-    public function testConvert()
+    public function guzzleMock()
     {
-        $rawContent = file_get_contents(__DIR__ . '/exchange_rates.xml');
+        $rawContent = file_get_contents(__DIR__ . '/test_rates.xml');
+        $guzzleMock = Mockery::mock('GuzzleHttp\Client')
+            ->shouldReceive('get')
+            ->andReturn(Mockery::self())
+            ->shouldReceive('getStatusCode')
+            ->andReturn(200)
+            ->shouldReceive('getBody')
+            ->andReturn($rawContent)
+            ->mock();
 
-        $guzzleMock = Mockery::mock('GuzzleHttp\Client');
-        $guzzleMock->shouldReceive('get')
-            ->andReturn(Mockery::self());
-        $guzzleMock->shouldReceive('getStatusCode')
-            ->andReturn(200);
-        $guzzleMock->shouldReceive('getBody')
-            ->andReturn($rawContent);
+        return $guzzleMock;
+    }
 
-        $converter = new NBPCurrencyConverter($guzzleMock, null, 0);
+    public function testConvert()
+    {
+        $converter = new NBPCurrencyConverter($this->guzzleMock(), null, 0);
 
         $this->assertEquals('123.4567', $converter->convert('123.4567', 'PLN', 'PLN')['amount']);
         $this->assertEquals('32.7246', $converter->convert('123.4567', 'PLN', 'USD')['amount']);
@@ -35,6 +40,122 @@ public function testConvert()
         $this->assertEquals('123.4567', $converter->convert('123.4567', 'JPY', 'JPY')['amount']);
     }
 
+    public function testInvalidFormatOfAmount()
+    {
+        $converter = new NBPCurrencyConverter($this->guzzleMock(), null, 0);
+
+        $numExceptions = 0;
+        try {
+            $converter->convert('123.45', 'PLN', 'USD');
+        } catch (\Exception $e) {
+            $this->assertEquals('Invalid format of amount', $e->getMessage());
+            $numExceptions++;
+        }
+        try {
+            $converter->convert('123,4567', 'PLN', 'USD');
+        } catch (\Exception $e) {
+            $this->assertEquals('Invalid format of amount', $e->getMessage());
+            $numExceptions++;
+        }
+        try {
+            $converter->convert('.4567', 'PLN', 'USD');
+        } catch (\Exception $e) {
+            $this->assertEquals('Invalid format of amount', $e->getMessage());
+            $numExceptions++;
+        }
+        try {
+            $converter->convert('1234567', 'PLN', 'USD');
+        } catch (\Exception $e) {
+            $this->assertEquals('Invalid format of amount', $e->getMessage());
+            $numExceptions++;
+        }
+
+        $this->assertEquals(4, $numExceptions);
+    }
+
+    /**
+     * @expectedException \Exception
+     * @expectedExceptionMessage Invalid currency code
+     */
+    public function testInvalidCurrencyCode()
+    {
+        $converter = new NBPCurrencyConverter($this->guzzleMock(), null, 0);
+        $converter->convert('123.4567', 'ABC', 'USD');
+    }
+
+    /**
+     * @expectedException \Exception
+     * @expectedExceptionMessage Invalid cache path
+     */
+    public function testInvalidCachePath()
+    {
+        new NBPCurrencyConverter($this->guzzleMock(), '/this/folder/doesnotexist');
+    }
+
+    /**
+     * @expectedException \Exception
+     * @expectedExceptionMessage String could not be parsed as XML
+     */
+    public function testInvalidXml()
+    {
+        $guzzleMock = Mockery::mock('GuzzleHttp\Client')
+            ->shouldReceive('get')
+            ->andReturn(Mockery::self())
+            ->shouldReceive('getStatusCode')
+            ->andReturn(200)
+            ->shouldReceive('getBody')
+            ->andReturn('Hello! I\'m XML')
+            ->mock();
+
+        $converter = new NBPCurrencyConverter($guzzleMock, null, 0);
+        $converter->convert('123.4567', 'PLN', 'USD');
+    }
+
+    /**
+     * @expectedException \Exception
+     * @expectedExceptionMessage Invalid response status code: 500 A good reason
+     */
+    public function testInvalidResponseStatusCode()
+    {
+        $guzzleMock = Mockery::mock('GuzzleHttp\Client')
+            ->shouldReceive('get')
+            ->andReturn(Mockery::self())
+            ->shouldReceive('getStatusCode')
+            ->andReturn(500)
+            ->shouldReceive('getReasonPhrase')
+            ->andReturn('A good reason')
+            ->mock();
+
+        $converter = new NBPCurrencyConverter($guzzleMock, null, 0);
+        $converter->convert('123.4567', 'PLN', 'USD');
+    }
+
+    public function testCache()
+    {
+        $rawContent = file_get_contents(__DIR__ . '/test_rates.xml');
+        $guzzleMock = Mockery::mock('GuzzleHttp\Client')
+            ->shouldReceive('get')
+            ->once()
+            ->andReturn(Mockery::self())
+            ->shouldReceive('getStatusCode')
+            ->once()
+            ->andReturn(200)
+            ->shouldReceive('getBody')
+            ->once()
+            ->andReturn($rawContent)
+            ->mock();
+
+        $converter = new NBPCurrencyConverter($guzzleMock, __DIR__);
+        $converter->convert('123.4567', 'PLN', 'USD');
+
+        $pathToFile = __DIR__ . '/exchange_rates.xml';
+        $this->assertFileExists($pathToFile);
+
+        $converter->convert('123.4567', 'PLN', 'USD');
+
+        unlink($pathToFile);
+    }
+
     public function tearDown()
     {
         Mockery::close();
diff --git a/tests/exchange_rates.xml b/tests/test_rates.xml
similarity index 100%
rename from tests/exchange_rates.xml
rename to tests/test_rates.xml