Added all required dependencies

vendor/github.com/smartystreets/assertions/panic.go

@@ -0,0 +1,115 @@
+package assertions
+
+import "fmt"
+
+// ShouldPanic receives a void, niladic function and expects to recover a panic.
+func ShouldPanic(actual interface{}, expected ...interface{}) (message string) {
+	if fail := need(0, expected); fail != success {
+		return fail
+	}
+
+	action, _ := actual.(func())
+
+	if action == nil {
+		message = shouldUseVoidNiladicFunction
+		return
+	}
+
+	defer func() {
+		recovered := recover()
+		if recovered == nil {
+			message = shouldHavePanicked
+		} else {
+			message = success
+		}
+	}()
+	action()
+
+	return
+}
+
+// ShouldNotPanic receives a void, niladic function and expects to execute the function without any panic.
+func ShouldNotPanic(actual interface{}, expected ...interface{}) (message string) {
+	if fail := need(0, expected); fail != success {
+		return fail
+	}
+
+	action, _ := actual.(func())
+
+	if action == nil {
+		message = shouldUseVoidNiladicFunction
+		return
+	}
+
+	defer func() {
+		recovered := recover()
+		if recovered != nil {
+			message = fmt.Sprintf(shouldNotHavePanicked, recovered)
+		} else {
+			message = success
+		}
+	}()
+	action()
+
+	return
+}
+
+// ShouldPanicWith receives a void, niladic function and expects to recover a panic with the second argument as the content.
+func ShouldPanicWith(actual interface{}, expected ...interface{}) (message string) {
+	if fail := need(1, expected); fail != success {
+		return fail
+	}
+
+	action, _ := actual.(func())
+
+	if action == nil {
+		message = shouldUseVoidNiladicFunction
+		return
+	}
+
+	defer func() {
+		recovered := recover()
+		if recovered == nil {
+			message = shouldHavePanicked
+		} else {
+			if equal := ShouldEqual(recovered, expected[0]); equal != success {
+				message = serializer.serialize(expected[0], recovered, fmt.Sprintf(shouldHavePanickedWith, expected[0], recovered))
+			} else {
+				message = success
+			}
+		}
+	}()
+	action()
+
+	return
+}
+
+// ShouldNotPanicWith receives a void, niladic function and expects to recover a panic whose content differs from the second argument.
+func ShouldNotPanicWith(actual interface{}, expected ...interface{}) (message string) {
+	if fail := need(1, expected); fail != success {
+		return fail
+	}
+
+	action, _ := actual.(func())
+
+	if action == nil {
+		message = shouldUseVoidNiladicFunction
+		return
+	}
+
+	defer func() {
+		recovered := recover()
+		if recovered == nil {
+			message = success
+		} else {
+			if equal := ShouldEqual(recovered, expected[0]); equal == success {
+				message = fmt.Sprintf(shouldNotHavePanickedWith, expected[0])
+			} else {
+				message = success
+			}
+		}
+	}()
+	action()
+
+	return
+}