cleanup integration test code

pkg/fakes/log.go

@@ -0,0 +1,40 @@
+package fakes
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/sirupsen/logrus"
+	"github.com/stretchr/testify/assert"
+)
+
+var _ logrus.FieldLogger = &FakeFieldLogger{}
+
+// for now we're just tracking calls to the Error and Errorf methods
+type FakeFieldLogger struct {
+	loggedErrors []string
+	*logrus.Entry
+}
+
+func (self *FakeFieldLogger) Error(args ...interface{}) {
+	if len(args) != 1 {
+		panic("Expected exactly one argument to FakeFieldLogger.Error")
+	}
+
+	switch arg := args[0].(type) {
+	case error:
+		self.loggedErrors = append(self.loggedErrors, arg.Error())
+	case string:
+		self.loggedErrors = append(self.loggedErrors, arg)
+	}
+}
+
+func (self *FakeFieldLogger) Errorf(format string, args ...interface{}) {
+	msg := fmt.Sprintf(format, args...)
+	self.loggedErrors = append(self.loggedErrors, msg)
+}
+
+func (self *FakeFieldLogger) AssertErrors(t *testing.T, expectedErrors []string) {
+	t.Helper()
+	assert.EqualValues(t, expectedErrors, self.loggedErrors)
+}