From 0000a65ab4479a2a40e2d6468036438e9705b4aa Mon Sep 17 00:00:00 2001
From: vlad <vlad@driver.xyz>
Date: Tue, 13 Jun 2017 10:25:55 -0700
Subject: Initial extraction of Driver non-specific utilities

---
 .../scala/xyz/driver/common/utils/DiffUtils.scala  | 52 ++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 src/test/scala/xyz/driver/common/utils/DiffUtils.scala

(limited to 'src/test/scala/xyz/driver/common/utils/DiffUtils.scala')

diff --git a/src/test/scala/xyz/driver/common/utils/DiffUtils.scala b/src/test/scala/xyz/driver/common/utils/DiffUtils.scala
new file mode 100644
index 0000000..06199bb
--- /dev/null
+++ b/src/test/scala/xyz/driver/common/utils/DiffUtils.scala
@@ -0,0 +1,52 @@
+package xyz.driver.common.utils
+
+import java.net.URI
+import java.time.{LocalDate, LocalDateTime}
+
+import ai.x.diff._
+import org.scalatest.Assertions
+import xyz.driver.common.domain.PasswordHash
+
+import scala.io.AnsiColor
+
+trait DiffUtils {
+
+  this: Assertions =>
+
+  def assertIdentical[T: DiffShow](left: T, right: T): Unit = {
+    val diff = DiffShow.diff(left, right)
+    assert(diff.isIdentical, s"\n${AnsiColor.RESET}$diff") // reset red color
+  }
+
+  implicit def localTimeDiffShow: DiffShow[LocalDateTime] = new DiffShow[LocalDateTime] {
+    def show(x: LocalDateTime): String = s"LocalTime($x)"
+    def diff(left: LocalDateTime, right: LocalDateTime): Comparison = {
+      if (left.isEqual(right)) Identical(show(left))
+      else Different(showChange(left, right))
+    }
+  }
+
+  implicit def localDateDiffShow: DiffShow[LocalDate] = new DiffShow[LocalDate] {
+    def show(x: LocalDate): String = s"LocalDate($x)"
+    def diff(left: LocalDate, right: LocalDate): Comparison = {
+      if (left.isEqual(right)) Identical(show(left))
+      else Different(showChange(left, right))
+    }
+  }
+
+  implicit def urlDiffShow: DiffShow[URI] = new DiffShow[URI] {
+    def show(x: URI): String = s"URI($x)"
+    def diff(left: URI, right: URI): Comparison = {
+      if (left.equals(right)) Identical(show(left))
+      else Different(showChange(left, right))
+    }
+  }
+
+  implicit def passwordHashDiffShow: DiffShow[PasswordHash] = new DiffShow[PasswordHash] {
+    def show(x: PasswordHash): String = s"PasswordHash($x)"
+    def diff(left: PasswordHash, right: PasswordHash): Comparison = {
+      if (left.equals(right)) Identical(show(left))
+      else Different(showChange(left, right))
+    }
+  }
+}
-- 
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