From b6869c1b17c65594f65c3ad5e53461082e5c3088 Mon Sep 17 00:00:00 2001
From: pacien
Date: Fri, 29 Mar 2019 01:31:15 +0100
Subject: initial impl

---
 .../pacien/lemonad/validation/ValidatorTest.java   | 61 ++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 src/test/java/org/pacien/lemonad/validation/ValidatorTest.java

(limited to 'src/test/java/org/pacien/lemonad/validation/ValidatorTest.java')

diff --git a/src/test/java/org/pacien/lemonad/validation/ValidatorTest.java b/src/test/java/org/pacien/lemonad/validation/ValidatorTest.java
new file mode 100644
index 0000000..55927b5
--- /dev/null
+++ b/src/test/java/org/pacien/lemonad/validation/ValidatorTest.java
@@ -0,0 +1,61 @@
+/*
+ * lemonad - Some functional sweetness for Java
+ * Copyright (C) 2019  Pacien TRAN-GIRARD
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package org.pacien.lemonad.validation;
+
+import org.junit.jupiter.api.Test;
+
+import java.util.List;
+
+import static java.util.function.Predicate.not;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+/**
+ * @author pacien
+ */
+class ValidatorTest {
+  @Test void testValidatorEnsuringPredicate() {
+    var emptyError = 0;
+    var validator = Validator.ensuringPredicate(not(String::isEmpty), emptyError);
+    assertEquals(List.of(emptyError), validator.validate("").getErrors());
+    assertEquals(List.of(), validator.validate("test").getErrors());
+  }
+
+  @Test void testValidatorValidatingAll() {
+    var emptyError = 0;
+    var tooLongError = 1;
+    var containsBadLetterError = 2;
+
+    var validator = Validator.validatingAll(
+      Validator.ensuringPredicate(not(String::isEmpty), emptyError),
+      Validator.ensuringPredicate((String str) -> str.length() < 10, tooLongError),
+      Validator.ensuringPredicate((String str) -> !str.contains("e"), containsBadLetterError));
+
+    assertEquals(List.of(emptyError), validator.validate("").getErrors());
+    assertEquals(List.of(tooLongError, containsBadLetterError), validator.validate("test test test").getErrors());
+    assertEquals(List.of(), validator.validate("potato").getErrors());
+  }
+
+  @Test void testValidatingField() {
+    var emptyError = 0;
+    var fieldValidator = Validator.ensuringPredicate((Integer len) -> len > 0, emptyError);
+    var validator = Validator.validatingField(String::length, fieldValidator);
+    assertEquals(List.of(emptyError), validator.validate("").getErrors());
+    assertEquals(List.of(), validator.validate("test").getErrors());
+  }
+}
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