17 files changed, 17 insertions, 8 deletions
diff --git a/tests/app/Models/CategoryTest.php b/tests/app/Models/CategoryTest.php
index afa74d53f..bdb2a971b 100644
--- a/tests/app/Models/CategoryTest.php
+++ b/tests/app/Models/CategoryTest.php
@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 class CategoryTest extends PHPUnit\Framework\TestCase {
 
diff --git a/tests/app/Models/SearchTest.php b/tests/app/Models/SearchTest.php
index afec683d5..12159caeb 100644
--- a/tests/app/Models/SearchTest.php
+++ b/tests/app/Models/SearchTest.php
@@ -1,5 +1,5 @@
 <?php
-
+declare(strict_types=1);
 require_once(LIB_PATH . '/lib_date.php');
 
 class SearchTest extends PHPUnit\Framework\TestCase {
diff --git a/tests/app/Models/UserQueryTest.php b/tests/app/Models/UserQueryTest.php
index 668327139..9f067e848 100644
--- a/tests/app/Models/UserQueryTest.php
+++ b/tests/app/Models/UserQueryTest.php
@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 /**
  * Description of UserQueryTest
diff --git a/tests/app/Utils/passwordUtilTest.php b/tests/app/Utils/passwordUtilTest.php
index e2fe78b97..c6d7a37e9 100644
--- a/tests/app/Utils/passwordUtilTest.php
+++ b/tests/app/Utils/passwordUtilTest.php
@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 class passwordUtilTest extends PHPUnit\Framework\TestCase {
 	public function testCheck(): void {
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index c99fecaf0..447b038a4 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -1,5 +1,5 @@
 <?php
-
+declare(strict_types=1);
 error_reporting(E_ALL);
 ini_set('display_errors', 1);
 
diff --git a/tests/cli/i18n/I18nCompletionValidatorTest.php b/tests/cli/i18n/I18nCompletionValidatorTest.php
index 3c6fc99eb..03896c11b 100644
--- a/tests/cli/i18n/I18nCompletionValidatorTest.php
+++ b/tests/cli/i18n/I18nCompletionValidatorTest.php
@@ -1,5 +1,5 @@
 <?php
-
+declare(strict_types=1);
 require_once __DIR__ . '/../../../cli/i18n/I18nCompletionValidator.php';
 require_once __DIR__ . '/../../../cli/i18n/I18nValue.php';
 
diff --git a/tests/cli/i18n/I18nDataTest.php b/tests/cli/i18n/I18nDataTest.php
index ca578a94b..b2fa5c5fd 100644
--- a/tests/cli/i18n/I18nDataTest.php
+++ b/tests/cli/i18n/I18nDataTest.php
@@ -1,5 +1,5 @@
 <?php
-
+declare(strict_types=1);
 require_once __DIR__ . '/../../../cli/i18n/I18nData.php';
 require_once __DIR__ . '/../../../cli/i18n/I18nValue.php';
 
diff --git a/tests/cli/i18n/I18nFileTest.php b/tests/cli/i18n/I18nFileTest.php
index 47464c2e2..755ea12f2 100644
--- a/tests/cli/i18n/I18nFileTest.php
+++ b/tests/cli/i18n/I18nFileTest.php
@@ -1,5 +1,5 @@
 <?php
-
+declare(strict_types=1);
 require_once __DIR__ . '/../../../cli/i18n/I18nFile.php';
 
 class I18nFileTest extends PHPUnit\Framework\TestCase {
diff --git a/tests/cli/i18n/I18nUsageValidatorTest.php b/tests/cli/i18n/I18nUsageValidatorTest.php
index f2c7b5651..720cab32e 100644
--- a/tests/cli/i18n/I18nUsageValidatorTest.php
+++ b/tests/cli/i18n/I18nUsageValidatorTest.php
@@ -1,5 +1,5 @@
 <?php
-
+declare(strict_types=1);
 require_once __DIR__ . '/../../../cli/i18n/I18nValue.php';
 require_once __DIR__ . '/../../../cli/i18n/I18nUsageValidator.php';
 
diff --git a/tests/cli/i18n/I18nValueTest.php b/tests/cli/i18n/I18nValueTest.php
index 4454ea073..06d57eb08 100644
--- a/tests/cli/i18n/I18nValueTest.php
+++ b/tests/cli/i18n/I18nValueTest.php
@@ -1,5 +1,5 @@
 <?php
-
+declare(strict_types=1);
 require_once __DIR__ . '/../../../cli/i18n/I18nValue.php';
 
 class I18nValueTest extends PHPUnit\Framework\TestCase {
diff --git a/tests/fixtures/migrations/2019_12_22_FooBar.php b/tests/fixtures/migrations/2019_12_22_FooBar.php
index 21f673213..4a5bcb314 100644
--- a/tests/fixtures/migrations/2019_12_22_FooBar.php
+++ b/tests/fixtures/migrations/2019_12_22_FooBar.php
@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 class FreshRSS_Migration_2019_12_22_FooBar {
 	/**
diff --git a/tests/fixtures/migrations/2019_12_23_Baz.php b/tests/fixtures/migrations/2019_12_23_Baz.php
index 056b0836c..05513c385 100644
--- a/tests/fixtures/migrations/2019_12_23_Baz.php
+++ b/tests/fixtures/migrations/2019_12_23_Baz.php
@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 class FreshRSS_Migration_2019_12_23_Baz {
 	/**
diff --git a/tests/fixtures/migrations_with_failing/2020_01_11_FooBar.php b/tests/fixtures/migrations_with_failing/2020_01_11_FooBar.php
index 2edc79964..6816f582a 100644
--- a/tests/fixtures/migrations_with_failing/2020_01_11_FooBar.php
+++ b/tests/fixtures/migrations_with_failing/2020_01_11_FooBar.php
@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 class FreshRSS_Migration_2020_01_11_FooBar {
 	/**
diff --git a/tests/fixtures/migrations_with_failing/2020_01_12_Baz.php b/tests/fixtures/migrations_with_failing/2020_01_12_Baz.php
index 75f39f7b5..92a9fad63 100644
--- a/tests/fixtures/migrations_with_failing/2020_01_12_Baz.php
+++ b/tests/fixtures/migrations_with_failing/2020_01_12_Baz.php
@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 class FreshRSS_Migration_2020_01_12_Baz {
 	/**
diff --git a/tests/lib/CssXPath/CssXPathTest.php b/tests/lib/CssXPath/CssXPathTest.php
index 1cfbcf58f..ed92ece16 100644
--- a/tests/lib/CssXPath/CssXPathTest.php
+++ b/tests/lib/CssXPath/CssXPathTest.php
@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 class CssXPathTest extends PHPUnit\Framework\TestCase
 {
diff --git a/tests/lib/Minz/MigratorTest.php b/tests/lib/Minz/MigratorTest.php
index 1803e6e86..5d090b2fa 100644
--- a/tests/lib/Minz/MigratorTest.php
+++ b/tests/lib/Minz/MigratorTest.php
@@ -1,5 +1,5 @@
 <?php
-
+declare(strict_types=1);
 use PHPUnit\Framework\TestCase;
 
 class MigratorTest extends TestCase
diff --git a/tests/lib/PHPMailer/PHPMailerTest.php b/tests/lib/PHPMailer/PHPMailerTest.php
index 5873c58a9..021337a3b 100644
--- a/tests/lib/PHPMailer/PHPMailerTest.php
+++ b/tests/lib/PHPMailer/PHPMailerTest.php
@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 class PHPMailerTest extends PHPUnit\Framework\TestCase
 {