move Integration step test

src/test/kotlin/integration/steps/when/request.kt

@@ -0,0 +1,53 @@
+package integration.steps.`when`
+
+import io.ktor.http.ContentType
+import io.ktor.http.HttpHeaders
+import io.ktor.http.HttpMethod
+import io.ktor.server.testing.TestApplicationCall
+import io.ktor.server.testing.TestApplicationEngine
+import io.ktor.server.testing.TestApplicationRequest
+import io.ktor.server.testing.setBody
+
+public fun TestApplicationEngine.`When I send a GET request`(uri: String? = null, setup: (TestApplicationRequest.() -> Unit)? = null): TestApplicationCall {
+    val setupOveride: TestApplicationRequest.() -> Unit = {
+        method = HttpMethod.Get
+        if (uri != null) {
+            this.uri = uri
+        }
+        addHeader(HttpHeaders.ContentType, ContentType.Application.Json.toString())
+        setup?.let { it() }
+    }
+    return handleRequest(true, setupOveride)
+}
+
+public fun TestApplicationEngine.`When I send a POST request`(uri: String? = null, setup: (TestApplicationRequest.() -> String?)? = null): TestApplicationCall {
+    val setupOveride: TestApplicationRequest.() -> Unit = {
+        method = HttpMethod.Post
+        if (uri != null) {
+            this.uri = uri
+        }
+        addHeader(HttpHeaders.ContentType, ContentType.Application.Json.toString())
+        setup?.let { it() }?.let {
+            setBody(it.trimIndent())
+        }
+    }
+    return handleRequest(true, setupOveride)
+}
+
+public fun TestApplicationEngine.`When I send a PUT request`(uri: String? = null, setup: (TestApplicationRequest.() -> String?)? = null): TestApplicationCall {
+    val setupOveride: TestApplicationRequest.() -> Unit = {
+        method = HttpMethod.Put
+        if (uri != null) {
+            this.uri = uri
+        }
+        addHeader(HttpHeaders.ContentType, ContentType.Application.Json.toString())
+        setup?.let { it() }?.let {
+            setBody(it.trimIndent())
+        }
+    }
+    return handleRequest(true, setupOveride)
+}
+
+fun TestApplicationRequest.`with body`(body: String) {
+    setBody(body.trimIndent())
+}