vendor: update all dependencies

vendor/github.com/stretchr/testify/assert/assertions.go

@@ -18,6 +18,7 @@ import (
 
 	"github.com/davecgh/go-spew/spew"
 	"github.com/pmezard/go-difflib/difflib"
+	yaml "gopkg.in/yaml.v2"
 )
 
 //go:generate go run ../_codegen/main.go -output-package=assert -template=assertion_format.go.tmpl
@@ -510,14 +511,14 @@ func isEmpty(object interface{}) bool {
 	// collection types are empty when they have no element
 	case reflect.Array, reflect.Chan, reflect.Map, reflect.Slice:
 		return objValue.Len() == 0
-	// pointers are empty if nil or if the value they point to is empty
+		// pointers are empty if nil or if the value they point to is empty
 	case reflect.Ptr:
 		if objValue.IsNil() {
 			return true
 		}
 		deref := objValue.Elem().Interface()
 		return isEmpty(deref)
-	// for all other types, compare against the zero value
+		// for all other types, compare against the zero value
 	default:
 		zero := reflect.Zero(objValue.Type())
 		return reflect.DeepEqual(object, zero.Interface())
@@ -1369,6 +1370,24 @@ func JSONEq(t TestingT, expected string, actual string, msgAndArgs ...interface{
 	return Equal(t, expectedJSONAsInterface, actualJSONAsInterface, msgAndArgs...)
 }
 
+// YAMLEq asserts that two YAML strings are equivalent.
+func YAMLEq(t TestingT, expected string, actual string, msgAndArgs ...interface{}) bool {
+	if h, ok := t.(tHelper); ok {
+		h.Helper()
+	}
+	var expectedYAMLAsInterface, actualYAMLAsInterface interface{}
+
+	if err := yaml.Unmarshal([]byte(expected), &expectedYAMLAsInterface); err != nil {
+		return Fail(t, fmt.Sprintf("Expected value ('%s') is not valid yaml.\nYAML parsing error: '%s'", expected, err.Error()), msgAndArgs...)
+	}
+
+	if err := yaml.Unmarshal([]byte(actual), &actualYAMLAsInterface); err != nil {
+		return Fail(t, fmt.Sprintf("Input ('%s') needs to be valid yaml.\nYAML error: '%s'", actual, err.Error()), msgAndArgs...)
+	}
+
+	return Equal(t, expectedYAMLAsInterface, actualYAMLAsInterface, msgAndArgs...)
+}
+
 func typeAndKind(v interface{}) (reflect.Type, reflect.Kind) {
 	t := reflect.TypeOf(v)
 	k := t.Kind()
@@ -1403,8 +1422,8 @@ func diff(expected interface{}, actual interface{}) string {
 		e = spewConfig.Sdump(expected)
 		a = spewConfig.Sdump(actual)
 	} else {
-		e = expected.(string)
-		a = actual.(string)
+		e = reflect.ValueOf(expected).String()
+		a = reflect.ValueOf(actual).String()
 	}
 
 	diff, _ := difflib.GetUnifiedDiffString(difflib.UnifiedDiff{
@@ -1446,3 +1465,34 @@ var spewConfig = spew.ConfigState{
 type tHelper interface {
 	Helper()
 }
+
+// Eventually asserts that given condition will be met in waitFor time,
+// periodically checking target function each tick.
+//
+//    assert.Eventually(t, func() bool { return true; }, time.Second, 10*time.Millisecond)
+func Eventually(t TestingT, condition func() bool, waitFor time.Duration, tick time.Duration, msgAndArgs ...interface{}) bool {
+	if h, ok := t.(tHelper); ok {
+		h.Helper()
+	}
+
+	timer := time.NewTimer(waitFor)
+	ticker := time.NewTicker(tick)
+	checkPassed := make(chan bool)
+	defer timer.Stop()
+	defer ticker.Stop()
+	defer close(checkPassed)
+	for {
+		select {
+		case <-timer.C:
+			return Fail(t, "Condition never satisfied", msgAndArgs...)
+		case result := <-checkPassed:
+			if result {
+				return true
+			}
+		case <-ticker.C:
+			go func() {
+				checkPassed <- condition()
+			}()
+		}
+	}
+}