feat:assert approximatively equal, feature step

src/main/scala/com/lectra/kapoeira/glue/FeaturesStepDefinitions.scala

@@ -176,7 +176,7 @@ class FeaturesStepDefinitions
   }
 
   // ASSERT
-  And("^assert\\s+(\\S+)\\s+(\\S+)\\s*==\\s*(.*)\\s*$") {
+  And("^assert\\s+(\\S+)\\s+(\\S+)\\s*==\\s*([^+-]*)\\s*$") {
     (alias: String, jsonExpression: String, expected: String) =>
       logger.debug(
         s"Assert Step : (alias,jsonExpression,expected) ($alias,$jsonExpression,$expected)"
@@ -226,6 +226,21 @@ class FeaturesStepDefinitions
       )
   }
 
+  And("^assert\\s+(\\S+)\\s+(\\$\\S*)\\s*==\\s+(\\d+\\.\\d+)\\s+\\+\\-\\s+(\\d+\\.\\d+)\\s*$") {
+    (alias: String, jsonExpression: String, expectedJsonNumber: String,approximationJsonNumber:String) =>
+      val interpolatedExpectedJson =
+        backgroundContext.substituteVariablesIn(expectedJsonNumber)
+      val interpolatedApproximationJson =
+        backgroundContext.substituteVariablesIn(approximationJsonNumber)
+      Asserts.approxEqual(
+        assertionContext,
+        alias,
+        jsonExpression,
+        interpolatedExpectedJson,
+        interpolatedApproximationJson
+      )
+  }
+
   And("^assert\\s+var\\s+(\\S+)\\s+(\\$\\S*)\\s+match\\s+object\\s+(.*)$") {
     (variableName: String, jsonExpression: String, expectedJson: String) =>
       val interpolatedExpectedJson =