Add a very basic test and a CI config

.travis.yml

@@ -0,0 +1,27 @@
+language: c
+
+# https://docs.travis-ci.com/user/caching/
+cache:
+  directories:
+    - NimBinaries
+
+git:
+  # when multiple CI builds are queued, the tested commit needs to be in the last X commits cloned with "--depth X"
+  depth: 10
+
+os:
+  - linux
+  - osx
+
+install:
+  # build nim from our own branch - this to avoid the day-to-day churn and
+  # regressions of the fast-paced Nim development while maintaining the
+  # flexibility to apply patches
+  - curl -O -L -s -S https://raw.githubusercontent.com/status-im/nimbus/devel/build_nim.sh
+  - env MAKE="make -j2" bash build_nim.sh Nim csources dist/nimble NimBinaries
+  - export PATH=$PWD/Nim/bin:$PATH
+
+script:
+  - nimble install -y
+  - nimble test
+

serialization/testing/generic_suite.nim

@@ -69,11 +69,7 @@ type
   AnonTuple* = (int, string, float64)
   
   AbcTuple* = tuple[a: int, b: string, c: float64]
-  
-  XyzTuple* = tuple
-    x*: int
-    y*: string
-    z*: float64
+  XyzTuple* = tuple[x: int, y: string, z: float64]
 
   HoldsTuples* = object
     t1*: AnonTuple

tests/test_object_serialization.nim

@@ -1,4 +1,22 @@
 import
+  typetraits, unittest,
+  stew/shims/macros,
   ../serialization/object_serialization,
   ../serialization/testing/generic_suite
 
+suite "object serialization":
+  setup:
+    var fieldsList = newSeq[string]()
+
+  test "custom fields order":
+    enumAllSerializedFields(Simple):
+      fieldsList.add(name(FieldType) & " " & fieldName & fieldCaseDisciminator)
+
+    check fieldsList == @["Meter distance", "int x", "string y"]
+
+  test "tuples handling":
+    enumAllSerializedFields(HoldsTuples):
+      fieldsList.add(fieldName & ": " & $isTuple(FieldType))
+
+    check fieldsList == @["t1: true", "t2: true", "t3: true"]
+