From f3de8d58a2442e723c1e9bba841f0d97383c89db Mon Sep 17 00:00:00 2001
From: Moritz Friedrich <moritz@matchory.com>
Date: Wed, 9 Dec 2020 13:41:18 +0100
Subject: [PATCH 1/6] Create index.php

---
 dist/index.php | 123 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 123 insertions(+)
 create mode 100644 dist/index.php

diff --git a/dist/index.php b/dist/index.php
new file mode 100644
index 0000000..6b064fd
--- /dev/null
+++ b/dist/index.php
@@ -0,0 +1,123 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Annexare\Countries;
+
+use JsonException;
+
+use function array_map;
+use function file_get_contents;
+use function idn_to_utf8;
+use function json_decode;
+use function ord;
+use function preg_match;
+use function str_split;
+
+use const JSON_THROW_ON_ERROR;
+
+/**
+ * Loads a JSON file relative to the current directory.
+ * 
+ * @param string $path
+ *
+ * @return array
+ * @throws JsonException
+ * @internal
+ */
+function load(string $path): array
+{
+    static $cache = [];
+
+    if (isset($cache[$path])) {
+        return $cache[$path];
+    }
+
+    return $cache[$path] = json_decode(
+        file_get_contents(__DIR__ . '/' . $path),
+        true,
+        512,
+        JSON_THROW_ON_ERROR
+    );
+}
+
+/**
+ * Continents, key-value object (key is alpha-2 code).
+ *
+ * @return array
+ * @throws JsonException
+ */
+function continents(): array
+{
+    return load('continents.min.json');
+}
+
+/**
+ * Countries, key-value object (key is alpha-2 code, uppercase).
+ *
+ * @return array
+ * @throws JsonException
+ */
+function countries(): array
+{
+    return load('countries.min.json');
+}
+
+/**
+ * Languages in use only, key-value object (key is alpha-2 code).
+ *
+ * @return array
+ * @throws JsonException
+ */
+function languages(): array
+{
+    return load('languages.min.json');
+}
+
+/**
+ * Languages, key-value object (key is alpha-2 code).
+ * A complete list including not used by Countries list.
+ *
+ * @return array
+ * @throws JsonException
+ */
+function languagesAll(): array
+{
+    return load('languages.all.min.json');
+}
+
+/**
+ * Returns country flag Emoji string.
+ *
+ * @param string $countryCode
+ *
+ * @return string
+ */
+function getEmojiFlag(string $countryCode): string
+{
+    $unicodeBase = 127462 - ord('A');
+    $regex='/^[A-Z]{2}$/';
+
+    if (! preg_match($regex, $countryCode)) {
+        return '';
+    }
+
+    return idn_to_utf8(array_map(
+            fn(string $letter) => $unicodeBase + ord($letter),
+            str_split( $countryCode)
+        )
+    );
+}
+
+/**
+ * TODO: Finish implementation
+ * 
+ * @param string $emoji
+ *
+ * @return string
+ * @internal
+ */
+function getUnicode(string $emoji): string
+{
+    return '';
+}

From 72bdc9ebb53ca00a7d086133e81a212708d07549 Mon Sep 17 00:00:00 2001
From: Moritz Friedrich <moritz@matchory.com>
Date: Wed, 9 Dec 2020 13:51:06 +0100
Subject: [PATCH 2/6] Added autoloader entry

---
 composer.json | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/composer.json b/composer.json
index b84f735..2e33c12 100644
--- a/composer.json
+++ b/composer.json
@@ -32,5 +32,10 @@
     "issues": "https://github.com/annexare/Countries/issues"
   },
   "require": {},
+  "autoload": {
+      "files": [
+          "dist/index.php"
+      ]
+  },
   "homepage": "http://annexare.github.io/Countries/"
 }

From acb5c91d0dffab6a139c8a8a16e675374ad7bc5d Mon Sep 17 00:00:00 2001
From: Moritz Friedrich <moritz@matchory.com>
Date: Sun, 3 Jan 2021 17:16:57 +0100
Subject: [PATCH 3/6] Removed Emoji functions due to PHP complexity issues

---
 dist/index.php | 41 -----------------------------------------
 1 file changed, 41 deletions(-)

diff --git a/dist/index.php b/dist/index.php
index 6b064fd..10c7e76 100644
--- a/dist/index.php
+++ b/dist/index.php
@@ -6,13 +6,8 @@
 
 use JsonException;
 
-use function array_map;
 use function file_get_contents;
-use function idn_to_utf8;
 use function json_decode;
-use function ord;
-use function preg_match;
-use function str_split;
 
 use const JSON_THROW_ON_ERROR;
 
@@ -85,39 +80,3 @@ function languagesAll(): array
 {
     return load('languages.all.min.json');
 }
-
-/**
- * Returns country flag Emoji string.
- *
- * @param string $countryCode
- *
- * @return string
- */
-function getEmojiFlag(string $countryCode): string
-{
-    $unicodeBase = 127462 - ord('A');
-    $regex='/^[A-Z]{2}$/';
-
-    if (! preg_match($regex, $countryCode)) {
-        return '';
-    }
-
-    return idn_to_utf8(array_map(
-            fn(string $letter) => $unicodeBase + ord($letter),
-            str_split( $countryCode)
-        )
-    );
-}
-
-/**
- * TODO: Finish implementation
- * 
- * @param string $emoji
- *
- * @return string
- * @internal
- */
-function getUnicode(string $emoji): string
-{
-    return '';
-}

From c6c9180f9eac27086f615070e1a105991e48c10a Mon Sep 17 00:00:00 2001
From: Moritz Friedrich <moritz@matchory.com>
Date: Sun, 3 Jan 2021 17:17:06 +0100
Subject: [PATCH 4/6] Updated code style to match library

---
 dist/index.php | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/dist/index.php b/dist/index.php
index 10c7e76..5876ead 100644
--- a/dist/index.php
+++ b/dist/index.php
@@ -13,7 +13,7 @@
 
 /**
  * Loads a JSON file relative to the current directory.
- * 
+ *
  * @param string $path
  *
  * @return array
@@ -22,18 +22,18 @@
  */
 function load(string $path): array
 {
-    static $cache = [];
+  static $cache = [];
 
-    if (isset($cache[$path])) {
-        return $cache[$path];
-    }
+  if (isset($cache[$path])) {
+    return $cache[$path];
+  }
 
-    return $cache[$path] = json_decode(
-        file_get_contents(__DIR__ . '/' . $path),
-        true,
-        512,
-        JSON_THROW_ON_ERROR
-    );
+  return $cache[$path] = json_decode(
+    file_get_contents(__DIR__ . '/' . $path),
+    true,
+    512,
+    JSON_THROW_ON_ERROR
+  );
 }
 
 /**
@@ -44,7 +44,7 @@ function load(string $path): array
  */
 function continents(): array
 {
-    return load('continents.min.json');
+  return load('continents.min.json');
 }
 
 /**
@@ -55,7 +55,7 @@ function continents(): array
  */
 function countries(): array
 {
-    return load('countries.min.json');
+  return load('countries.min.json');
 }
 
 /**
@@ -66,7 +66,7 @@ function countries(): array
  */
 function languages(): array
 {
-    return load('languages.min.json');
+  return load('languages.min.json');
 }
 
 /**
@@ -78,5 +78,5 @@ function languages(): array
  */
 function languagesAll(): array
 {
-    return load('languages.all.min.json');
+  return load('languages.all.min.json');
 }

From 145263a3d0022959e7e93f1ed73153faa6162882 Mon Sep 17 00:00:00 2001
From: Moritz Friedrich <moritz@matchory.com>
Date: Sun, 3 Jan 2021 17:17:34 +0100
Subject: [PATCH 5/6] Added PHPUnit

---
 .gitignore    |  1 +
 composer.json |  5 ++++-
 phpunit.xml   | 25 +++++++++++++++++++++++++
 3 files changed, 30 insertions(+), 1 deletion(-)
 create mode 100644 phpunit.xml

diff --git a/.gitignore b/.gitignore
index 69a3efa..8180af9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,7 @@
 *.lock
 
 coverage
+.phpunit.cache
 
 composer.phar
 
diff --git a/composer.json b/composer.json
index 2e33c12..f852aa2 100644
--- a/composer.json
+++ b/composer.json
@@ -37,5 +37,8 @@
           "dist/index.php"
       ]
   },
-  "homepage": "http://annexare.github.io/Countries/"
+  "homepage": "http://annexare.github.io/Countries/",
+  "require-dev": {
+    "phpunit/phpunit": "^9.5"
+  }
 }
diff --git a/phpunit.xml b/phpunit.xml
new file mode 100644
index 0000000..cb2d0b0
--- /dev/null
+++ b/phpunit.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.5/phpunit.xsd"
+         bootstrap="vendor/autoload.php"
+         cacheResultFile=".phpunit.cache/test-results"
+         executionOrder="depends,defects"
+         beStrictAboutCoversAnnotation="true"
+         beStrictAboutOutputDuringTests="true"
+         beStrictAboutTodoAnnotatedTests="true"
+         failOnRisky="true"
+         failOnWarning="true"
+         verbose="true">
+  <testsuites>
+    <testsuite name="default">
+      <directory>tests</directory>
+    </testsuite>
+  </testsuites>
+
+  <coverage cacheDirectory=".phpunit.cache/code-coverage"
+            processUncoveredFiles="true">
+    <include>
+      <directory suffix=".php">dist</directory>
+    </include>
+  </coverage>
+</phpunit>

From 792f82862da3938beb577a987a3c08433284c763 Mon Sep 17 00:00:00 2001
From: Moritz Friedrich <moritz@matchory.com>
Date: Sun, 3 Jan 2021 17:17:50 +0100
Subject: [PATCH 6/6] Added basic test implementation

---
 tests/CountriesTest.php | 76 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 tests/CountriesTest.php

diff --git a/tests/CountriesTest.php b/tests/CountriesTest.php
new file mode 100644
index 0000000..f75399a
--- /dev/null
+++ b/tests/CountriesTest.php
@@ -0,0 +1,76 @@
+<?php
+
+use PHPUnit\Framework\ExpectationFailedException;
+use PHPUnit\Framework\TestCase;
+
+use function Annexare\Countries\continents;
+use function Annexare\Countries\countries;
+use function Annexare\Countries\languages;
+use function Annexare\Countries\languagesAll;
+
+class CountriesTest extends TestCase
+{
+  /**
+   * @throws JsonException
+   * @throws ExpectationFailedException
+   * @throws \SebastianBergmann\RecursionContext\InvalidArgumentException
+   */
+  public function testCountries(): void
+  {
+    $countries = countries();
+
+    self::assertIsArray($countries);
+    self::assertJsonStringEqualsJsonFile(
+      __DIR__ . '/../dist/countries.min.json',
+      json_encode($countries, JSON_THROW_ON_ERROR)
+    );
+  }
+
+  /**
+   * @throws JsonException
+   * @throws ExpectationFailedException
+   * @throws \SebastianBergmann\RecursionContext\InvalidArgumentException
+   */
+  public function testContinents(): void
+  {
+    $continents = continents();
+
+    self::assertIsArray($continents);
+    self::assertJsonStringEqualsJsonFile(
+      __DIR__ . '/../dist/continents.min.json',
+      json_encode($continents, JSON_THROW_ON_ERROR)
+    );
+  }
+
+  /**
+   * @throws JsonException
+   * @throws ExpectationFailedException
+   * @throws \SebastianBergmann\RecursionContext\InvalidArgumentException
+   */
+  public function testLanguages(): void
+  {
+    $languages = languages();
+
+    self::assertIsArray($languages);
+    self::assertJsonStringEqualsJsonFile(
+      __DIR__ . '/../dist/languages.min.json',
+      json_encode($languages, JSON_THROW_ON_ERROR)
+    );
+  }
+
+  /**
+   * @throws JsonException
+   * @throws ExpectationFailedException
+   * @throws \SebastianBergmann\RecursionContext\InvalidArgumentException
+   */
+  public function testLanguagesAll(): void
+  {
+    $languagesAll = languagesAll();
+
+    self::assertIsArray($languagesAll);
+    self::assertJsonStringEqualsJsonFile(
+      __DIR__ . '/../dist/languages.all.min.json',
+      json_encode($languagesAll, JSON_THROW_ON_ERROR)
+    );
+  }
+}