📝 add tests documenting deserialiation of types

src/test/groovy/com/tomtom/http/GroovyAPISpec.groovy

@@ -20,6 +20,7 @@ import com.fasterxml.jackson.databind.ObjectMapper
 import com.github.tomakehurst.wiremock.client.WireMock
 import spock.lang.Unroll
 
+import static com.fasterxml.jackson.databind.DeserializationFeature.*
 import static com.github.tomakehurst.wiremock.client.WireMock.*
 import static com.tomtom.http.response.ResponseCode.OK
 
@@ -205,6 +206,56 @@ class GroovyAPISpec extends HttpClientSpec {
         'OPTIONS' | WireMock.&options | http.&options
     }
 
+    @Unroll
+    def 'parses decimals as doubles by default for #name'() {
+        given:
+        mock.givenThat(mockMethod(urlEqualTo('/info'))
+                .willReturn(ok('{"price": 10.00}')))
+
+        when:
+        def response = clientMethod(path: '/info', expecting: Map)
+
+        then:
+        response.statusCode == OK
+        response.body == [price: 10.0]
+        response.body.price instanceof Double
+
+        where:
+        name      | mockMethod        | clientMethod
+        'GET'     | WireMock.&get     | http.&get
+        'POST'    | WireMock.&post    | http.&post
+        'PUT'     | WireMock.&put     | http.&put
+        'DELETE'  | WireMock.&delete  | http.&delete
+        'TRACE'   | WireMock.&trace   | http.&trace
+        'PATCH'   | WireMock.&patch   | http.&patch
+        'OPTIONS' | WireMock.&options | http.&options
+    }
+
+    @Unroll
+    def 'parses decimals as given type for custom objects for #name'() {
+        given:
+        mock.givenThat(mockMethod(urlEqualTo('/info'))
+                .willReturn(ok('{"price": 10.00}')))
+
+        when:
+        def response = clientMethod(path: '/info', expecting: Info)
+
+        then:
+        response.statusCode == OK
+        response.body == new Info(price: 10.0)
+        response.body.price instanceof BigDecimal
+
+        where:
+        name      | mockMethod        | clientMethod
+        'GET'     | WireMock.&get     | http.&get
+        'POST'    | WireMock.&post    | http.&post
+        'PUT'     | WireMock.&put     | http.&put
+        'DELETE'  | WireMock.&delete  | http.&delete
+        'TRACE'   | WireMock.&trace   | http.&trace
+        'PATCH'   | WireMock.&patch   | http.&patch
+        'OPTIONS' | WireMock.&options | http.&options
+    }
+
     @Unroll
     def 'parses response body as generic for #name'() {
         given:
@@ -253,7 +304,26 @@ class GroovyAPISpec extends HttpClientSpec {
         'OPTIONS' | WireMock.&options | http.&options
     }
 
-    def 'allows providing custom ObjectMapper and falls back to body as string for #name'() {
+    def 'allows providing custom ObjectMapper'() {
+        given:
+        def mapper = new ObjectMapper()
+                .enable(USE_BIG_DECIMAL_FOR_FLOATS)
+        def http = new HttpClient(mapper: mapper, baseUrl: "http://localhost:${mock.port()}")
+        mock.givenThat(get(urlEqualTo('/info'))
+                .willReturn(ok('{"price": 1.65}')))
+
+        when:
+        def response = http.get(path: '/info', expecting: Map)
+
+        then:
+        with(response) {
+            statusCode == OK
+            body == [price: 1.65]
+            body.price instanceof BigDecimal
+        }
+    }
+
+    def 'falls back to body as string for #name'() {
         given:
         def mapper = new ObjectMapper()
         def http = new HttpClient(mapper: mapper, baseUrl: "http://localhost:${mock.port()}")

src/test/groovy/com/tomtom/http/Info.groovy

@@ -0,0 +1,10 @@
+package com.tomtom.http
+
+import groovy.transform.EqualsAndHashCode
+import groovy.transform.ToString
+
+@EqualsAndHashCode
+@ToString
+class Info {
+    BigDecimal price
+}