Committing vendored dependencies and generated protos
Change-Id: I349c149b513d9de7d9f60bde2c954a939da2fc54
diff --git a/vendor/gotest.tools/assert/cmp/result.go b/vendor/gotest.tools/assert/cmp/result.go
new file mode 100644
index 0000000..7c3c37d
--- /dev/null
+++ b/vendor/gotest.tools/assert/cmp/result.go
@@ -0,0 +1,94 @@
+package cmp
+
+import (
+ "bytes"
+ "fmt"
+ "go/ast"
+ "text/template"
+
+ "gotest.tools/internal/source"
+)
+
+// Result of a Comparison.
+type Result interface {
+ Success() bool
+}
+
+type result struct {
+ success bool
+ message string
+}
+
+func (r result) Success() bool {
+ return r.success
+}
+
+func (r result) FailureMessage() string {
+ return r.message
+}
+
+// ResultSuccess is a constant which is returned by a ComparisonWithResult to
+// indicate success.
+var ResultSuccess = result{success: true}
+
+// ResultFailure returns a failed Result with a failure message.
+func ResultFailure(message string) Result {
+ return result{message: message}
+}
+
+// ResultFromError returns ResultSuccess if err is nil. Otherwise ResultFailure
+// is returned with the error message as the failure message.
+func ResultFromError(err error) Result {
+ if err == nil {
+ return ResultSuccess
+ }
+ return ResultFailure(err.Error())
+}
+
+type templatedResult struct {
+ success bool
+ template string
+ data map[string]interface{}
+}
+
+func (r templatedResult) Success() bool {
+ return r.success
+}
+
+func (r templatedResult) FailureMessage(args []ast.Expr) string {
+ msg, err := renderMessage(r, args)
+ if err != nil {
+ return fmt.Sprintf("failed to render failure message: %s", err)
+ }
+ return msg
+}
+
+// ResultFailureTemplate returns a Result with a template string and data which
+// can be used to format a failure message. The template may access data from .Data,
+// the comparison args with the callArg function, and the formatNode function may
+// be used to format the call args.
+func ResultFailureTemplate(template string, data map[string]interface{}) Result {
+ return templatedResult{template: template, data: data}
+}
+
+func renderMessage(result templatedResult, args []ast.Expr) (string, error) {
+ tmpl := template.New("failure").Funcs(template.FuncMap{
+ "formatNode": source.FormatNode,
+ "callArg": func(index int) ast.Expr {
+ if index >= len(args) {
+ return nil
+ }
+ return args[index]
+ },
+ })
+ var err error
+ tmpl, err = tmpl.Parse(result.template)
+ if err != nil {
+ return "", err
+ }
+ buf := new(bytes.Buffer)
+ err = tmpl.Execute(buf, map[string]interface{}{
+ "Data": result.data,
+ })
+ return buf.String(), err
+}