Merge pull request #25 from rpkamp/composer-require-checker

Add ComposerRequireChecker to tests

Makefile

@@ -3,7 +3,7 @@ help:
 	@awk '/^#/{c=substr($$0,3);next}c&&/^[[:alpha:]][[:alnum:]_-]+:/{print substr($$1,1,index($$1,":")),c}1{c=0}' $(MAKEFILE_LIST) | column -s: -t
 
 # Run all tests
-test: lint code-style unit-tests phpstan
+test: lint code-style unit-tests phpstan composer-require-checker
 
 # Lint all php files
 lint:
@@ -31,4 +31,8 @@ endif
 phpstan:
 	vendor/bin/phpstan analyze --level max src/ tests/
 
+composer-require-checker:
+	vendor/bin/composer-require-checker
+
 .PHONY: help test lint code-style phpmd phpcs unit-tests phpstan
+.PHONY: composer-require-checker

composer.json

@@ -22,6 +22,7 @@
     "minimum-stability": "stable",
     "require": {
         "php": "^7.2",
+	"ext-json": "*",
         "php-http/client-implementation": "^1.0",
         "php-http/httplug": "^1.0",
         "php-http/message-factory": "^1.0",
@@ -36,6 +37,7 @@
         "squizlabs/php_codesniffer": "^3.4",
         "swiftmailer/swiftmailer": "^6.0",
         "phpstan/phpstan": "^0.11",
-        "pdepend/pdepend": "^2.5"
+        "pdepend/pdepend": "^2.5",
+        "maglnet/composer-require-checker": "^2.0"
     }
 }