Init

tests/config.nims

@@ -0,0 +1 @@
+switch("path", "$projectDir/../src")

tests/testResults.nim

@@ -0,0 +1,38 @@
+# To run these tests, simply execute `nimble test`.
+
+import unittest
+import oi
+
+test "Check OK":
+  let test = ok 1
+  check test.isOk == true
+
+test "Check fail":
+  let test = fail "no data here"
+  check test.isOk == false
+
+test "Check proc results":
+  proc createValue: OI[string] =
+    let myString = "This is test code!"
+    ok myString
+  let data = createValue()
+  check data.isOk
+  check data.val == "This is test code!"
+
+test "Check failing proc":
+  proc destinedToFail(): OI[int] =
+    result.fail "no data found"
+
+  let data = destinedToFail()
+  check data.isOk == false
+  check data.error == "no data found"
+
+test "Check changing result":
+  proc checker(): OI[int] =
+    result = ok 42
+    # something happend here
+    result = fail "data got corrupted"
+
+  let data = checker()
+  check data.isOk == false
+  check data.error == "data got corrupted"