terraform-provider-google/vendor/github.com/google/go-cmp/cmp/reporter.go
Paddy 961c878e0d Switch to using Go modules. (#2679)
Switch to using Go modules.

This migrates our vendor.json to use Go 1.11's modules system, and
replaces the vendor folder with the output of go mod vendor.

The vendored code should remain basically the same; I believe some
tree shaking of packages and support scripts/licenses/READMEs/etc.
happened.

This also fixes Travis and our Makefile to no longer use govendor.
2018-12-20 17:22:22 -08:00

54 lines
1.4 KiB
Go

// Copyright 2017, The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE.md file.
package cmp
import (
"fmt"
"reflect"
"strings"
"github.com/google/go-cmp/cmp/internal/value"
)
type defaultReporter struct {
Option
diffs []string // List of differences, possibly truncated
ndiffs int // Total number of differences
nbytes int // Number of bytes in diffs
nlines int // Number of lines in diffs
}
var _ reporter = (*defaultReporter)(nil)
func (r *defaultReporter) Report(x, y reflect.Value, eq bool, p Path) {
if eq {
return // Ignore equal results
}
const maxBytes = 4096
const maxLines = 256
r.ndiffs++
if r.nbytes < maxBytes && r.nlines < maxLines {
sx := value.Format(x, value.FormatConfig{UseStringer: true})
sy := value.Format(y, value.FormatConfig{UseStringer: true})
if sx == sy {
// Unhelpful output, so use more exact formatting.
sx = value.Format(x, value.FormatConfig{PrintPrimitiveType: true})
sy = value.Format(y, value.FormatConfig{PrintPrimitiveType: true})
}
s := fmt.Sprintf("%#v:\n\t-: %s\n\t+: %s\n", p, sx, sy)
r.diffs = append(r.diffs, s)
r.nbytes += len(s)
r.nlines += strings.Count(s, "\n")
}
}
func (r *defaultReporter) String() string {
s := strings.Join(r.diffs, "")
if r.ndiffs == len(r.diffs) {
return s
}
return fmt.Sprintf("%s... %d more differences ...", s, r.ndiffs-len(r.diffs))
}