test cases for json config

testing/unit/pointersubject.go

@@ -0,0 +1,48 @@
+package unit
+
+import (
+	"fmt"
+)
+
+type PointerSubject struct {
+	*Subject
+	value interface{}
+}
+
+func NewPointerSubject(base *Subject, value interface{}) *PointerSubject {
+	return &PointerSubject{
+		Subject: base,
+		value:   value,
+	}
+}
+
+func (subject *PointerSubject) Named(name string) *PointerSubject {
+	subject.Subject.Named(name)
+	return subject
+}
+
+func (subject *PointerSubject) Fail(verb string, other interface{}) {
+	subject.FailWithMessage(fmt.Sprintf("Not true that %s %s <%v>.", subject.DisplayString(), verb, other))
+}
+
+func (subject *PointerSubject) DisplayString() string {
+	return subject.Subject.DisplayString(fmt.Sprintf("%v", subject.value))
+}
+
+func (subject *PointerSubject) Equals(expectation interface{}) {
+	if subject.value != expectation {
+		subject.Fail("is equal to", expectation)
+	}
+}
+
+func (subject *PointerSubject) IsNil() {
+	if subject.value != nil {
+		subject.FailWithMessage("Not true that " + subject.DisplayString() + " is nil.")
+	}
+}
+
+func (subject *PointerSubject) IsNotNil() {
+	if subject.value == nil {
+		subject.FailWithMessage("Not true that " + subject.DisplayString() + " is not nil.")
+	}
+}