1 files changed, 103 insertions, 0 deletions
diff --git a/src/test/scala/xyz/driver/restquery/rest/parsers/PaginationParserSuite.scala b/src/test/scala/xyz/driver/restquery/rest/parsers/PaginationParserSuite.scala
new file mode 100644
index 0000000..c753480
--- /dev/null
+++ b/src/test/scala/xyz/driver/restquery/rest/parsers/PaginationParserSuite.scala
@@ -0,0 +1,103 @@
+package xyz.driver.restquery.http.parsers
+
+import xyz.driver.restquery.http.parsers.TestUtils._
+import org.scalatest.{FreeSpecLike, MustMatchers}
+import xyz.driver.restquery.domain.Pagination
+
+import scala.util.{Failure, Try}
+
+class PaginationParserSuite extends FreeSpecLike with MustMatchers {
+
+  "parse" - {
+    "pageSize" - {
+      "should parse positive value" in {
+        val pagination = PaginationParser.parse(
+          Seq(
+            "pageSize"   -> "10",
+            "pageNumber" -> "1"
+          ))
+        pagination must success
+        pagination.get.pageSize mustBe 10
+      }
+
+      "should return a default value if there is no one" in {
+        val pagination = PaginationParser.parse(
+          Seq(
+            "pageNumber" -> "1"
+          ))
+        pagination must success
+        pagination.get.pageSize mustBe 100
+      }
+
+      "should return a error for zero value" in {
+        val pagination = PaginationParser.parse(
+          Seq(
+            "pageSize"   -> "0",
+            "pageNumber" -> "1"
+          ))
+
+        checkFailedValidationOnlyOn(pagination, "pageSize")
+      }
+
+      "should return a error for negative value" in {
+        val pagination = PaginationParser.parse(
+          Seq(
+            "pageSize"   -> "-10",
+            "pageNumber" -> "1"
+          ))
+
+        checkFailedValidationOnlyOn(pagination, "pageSize")
+      }
+    }
+
+    "pageNumber" - {
+      "should parse positive value" in {
+        val pagination = PaginationParser.parse(
+          Seq(
+            "pageSize"   -> "1",
+            "pageNumber" -> "1"
+          ))
+        pagination must success
+        pagination.get.pageSize mustBe 1
+      }
+
+      "should return a default value if there is no one" in {
+        val pagination = PaginationParser.parse(
+          Seq(
+            "pageSize" -> "1"
+          ))
+        pagination must success
+        pagination.get.pageNumber mustBe 1
+      }
+
+      "should return a error for zero value" in {
+        val pagination = PaginationParser.parse(
+          Seq(
+            "pageSize"   -> "1",
+            "pageNumber" -> "0"
+          ))
+
+        checkFailedValidationOnlyOn(pagination, "pageNumber")
+      }
+
+      "should return a error for negative value" in {
+        val pagination = PaginationParser.parse(
+          Seq(
+            "pageSize"   -> "1",
+            "pageNumber" -> "-1"
+          ))
+
+        checkFailedValidationOnlyOn(pagination, "pageNumber")
+      }
+    }
+  }
+
+  private def checkFailedValidationOnlyOn(pagination: Try[Pagination], key: String): Unit = {
+    pagination must failWith[ParseQueryArgException]
+
+    val Failure(e: ParseQueryArgException) = pagination
+    e.errors.size mustBe 1
+    e.errors.head._1 mustBe key
+  }
+
+}