replace jest with ava

node_modules/concordance/lib/complexValues/promise.js

@@ -0,0 +1,40 @@
+'use strict'
+
+const constants = require('../constants')
+const object = require('./object')
+
+const DEEP_EQUAL = constants.DEEP_EQUAL
+const UNEQUAL = constants.UNEQUAL
+
+function describe (props) {
+  return new DescribedPromiseValue(props)
+}
+exports.describe = describe
+
+function deserialize (props) {
+  return new DeserializedPromiseValue(props)
+}
+exports.deserialize = deserialize
+
+const tag = Symbol('PromiseValue')
+exports.tag = tag
+
+class PromiseValue extends object.ObjectValue {}
+Object.defineProperty(PromiseValue.prototype, 'tag', { value: tag })
+
+class DescribedPromiseValue extends object.DescribedMixin(PromiseValue) {
+  compare (expected) {
+    // When comparing described promises, require them to be the exact same
+    // object.
+    return super.compare(expected) === DEEP_EQUAL
+      ? DEEP_EQUAL
+      : UNEQUAL
+  }
+}
+
+class DeserializedPromiseValue extends object.DeserializedMixin(PromiseValue) {
+  compare (expected) {
+    // Deserialized promises can never be compared using object references.
+    return super.compare(expected)
+  }
+}