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Merge pull request #1520 from ijc/bump-gotest 

Bump to gotest.tools v2.2.0
This commit is contained in:
Vincent Demeester 2018-11-14 17:20:42 +01:00 committed by GitHub
parent 3a6f8b6774 986196e3e3
commit 0964455c59
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GPG Key ID: 4AEE18F83AFDEB23
17 changed files with 338 additions and 331 deletions
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2
vendor.conf
View File

@ -91,7 +91,7 @@ google.golang.org/genproto 02b4e95473316948020af0b7a4f0f22c73929b0e
google.golang.org/grpc v1.12.0
gopkg.in/inf.v0 d2d2541c53f18d2a059457998ce2876cc8e67cbf # v0.9.1
gopkg.in/yaml.v2 5420a8b6744d3b0345ab293f6fcba19c978f1183 # v2.2.1
gotest.tools v2.1.0
gotest.tools v2.2.0
k8s.io/api kubernetes-1.11.2
k8s.io/apimachinery kubernetes-1.11.2
k8s.io/client-go kubernetes-1.11.2

191
vendor/gotest.tools/LICENSE vendored
View File

@ -1,193 +1,4 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
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"Legal Entity" shall mean the union of the acting entity and all
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"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
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including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
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"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
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"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
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"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
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designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
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2. Grant of Copyright License. Subject to the terms and conditions of
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within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
replaced with your own identifying information. (Don't include
the brackets!) The text should be enclosed in the appropriate
comment syntax for the file format. We also recommend that a
file or class name and description of purpose be included on the
same "printed page" as the copyright notice for easier
identification within third-party archives.
Copyright [yyyy] [name of copyright owner]
Copyright 2018 gotest.tools authors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.

2
vendor/gotest.tools/README.md vendored
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@ -3,7 +3,7 @@
A collection of packages to augment `testing` and support common patterns.
[![GoDoc](https://godoc.org/gotest.tools?status.svg)](https://godoc.org/gotest.tools)
[![CircleCI](https://circleci.com/gh/gotestyourself/gotestyourself/tree/master.svg?style=shield)](https://circleci.com/gh/gotestyourself/gotestyourself/tree/master)
[![CircleCI](https://circleci.com/gh/gotestyourself/gotest.tools/tree/master.svg?style=shield)](https://circleci.com/gh/gotestyourself/gotest.tools/tree/master)
[![Go Reportcard](https://goreportcard.com/badge/gotest.tools)](https://goreportcard.com/report/gotest.tools)

48
vendor/gotest.tools/assert/cmp/compare.go vendored
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@ -4,6 +4,7 @@ package cmp // import "gotest.tools/assert/cmp"
import (
"fmt"
"reflect"
"regexp"
"strings"
"github.com/google/go-cmp/cmp"
@ -58,6 +59,39 @@ func toResult(success bool, msg string) Result {
return ResultFailure(msg)
}
// RegexOrPattern may be either a *regexp.Regexp or a string that is a valid
// regexp pattern.
type RegexOrPattern interface{}
// Regexp succeeds if value v matches regular expression re.
//
// Example:
// assert.Assert(t, cmp.Regexp("^[0-9a-f]{32}$", str))
// r := regexp.MustCompile("^[0-9a-f]{32}$")
// assert.Assert(t, cmp.Regexp(r, str))
func Regexp(re RegexOrPattern, v string) Comparison {
match := func(re *regexp.Regexp) Result {
return toResult(
re.MatchString(v),
fmt.Sprintf("value %q does not match regexp %q", v, re.String()))
}
return func() Result {
switch regex := re.(type) {
case *regexp.Regexp:
return match(regex)
case string:
re, err := regexp.Compile(regex)
if err != nil {
return ResultFailure(err.Error())
}
return match(re)
default:
return ResultFailure(fmt.Sprintf("invalid type %T for regex pattern", regex))
}
}
}
// Equal succeeds if x == y. See assert.Equal for full documentation.
func Equal(x, y interface{}) Comparison {
return func() Result {
@ -186,7 +220,7 @@ func Error(err error, message string) Comparison {
return ResultFailure("expected an error, got nil")
case err.Error() != message:
return ResultFailure(fmt.Sprintf(
"expected error %q, got %+v", message, err))
"expected error %q, got %s", message, formatErrorMessage(err)))
}
return ResultSuccess
}
@ -201,12 +235,22 @@ func ErrorContains(err error, substring string) Comparison {
return ResultFailure("expected an error, got nil")
case !strings.Contains(err.Error(), substring):
return ResultFailure(fmt.Sprintf(
"expected error to contain %q, got %+v", substring, err))
"expected error to contain %q, got %s", substring, formatErrorMessage(err)))
}
return ResultSuccess
}
}
func formatErrorMessage(err error) string {
if _, ok := err.(interface {
Cause() error
}); ok {
return fmt.Sprintf("%q\n%+v", err, err)
}
// This error was not wrapped with github.com/pkg/errors
return fmt.Sprintf("%q", err)
}
// Nil succeeds if obj is a nil interface, pointer, or function.
//
// Use NilError() for comparing errors. Use Len(obj, 0) for comparing slices,

1
vendor/gotest.tools/assert/result.go vendored
View File

@ -70,7 +70,6 @@ func filterPrintableExpr(args []ast.Expr) []ast.Expr {
result[i] = starExpr.X
continue
}
result[i] = nil
}
return result
}

3
vendor/gotest.tools/env/env.go vendored
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@ -79,6 +79,9 @@ func ToMap(env []string) map[string]string {
}
func getParts(raw string) (string, string) {
if raw == "" {
return "", ""
}
// Environment variables on windows can begin with =
// http://blogs.msdn.com/b/oldnewthing/archive/2010/05/06/10008132.aspx
parts := strings.SplitN(raw[1:], "=", 2)

14
vendor/gotest.tools/fs/file.go vendored
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@ -7,6 +7,8 @@ import (
"io/ioutil"
"os"
"path/filepath"
"runtime"
"strings"
"gotest.tools/assert"
"gotest.tools/x/subtest"
@ -40,7 +42,7 @@ func NewFile(t assert.TestingT, prefix string, ops ...PathOp) *File {
if ht, ok := t.(helperT); ok {
ht.Helper()
}
tempfile, err := ioutil.TempFile("", prefix+"-")
tempfile, err := ioutil.TempFile("", cleanPrefix(prefix)+"-")
assert.NilError(t, err)
file := &File{path: tempfile.Name()}
assert.NilError(t, tempfile.Close())
@ -54,6 +56,14 @@ func NewFile(t assert.TestingT, prefix string, ops ...PathOp) *File {
return file
}
func cleanPrefix(prefix string) string {
// windows requires both / and \ are replaced
if runtime.GOOS == "windows" {
prefix = strings.Replace(prefix, string(os.PathSeparator), "-", -1)
}
return strings.Replace(prefix, "/", "-", -1)
}
// Path returns the full path to the file
func (f *File) Path() string {
return f.path
@ -76,7 +86,7 @@ func NewDir(t assert.TestingT, prefix string, ops ...PathOp) *Dir {
if ht, ok := t.(helperT); ok {
ht.Helper()
}
path, err := ioutil.TempDir("", prefix+"-")
path, err := ioutil.TempDir("", cleanPrefix(prefix)+"-")
assert.NilError(t, err)
dir := &Dir{path: path}

7
vendor/gotest.tools/fs/manifest.go vendored
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@ -25,6 +25,7 @@ type resource struct {
type file struct {
resource
content io.ReadCloser
ignoreCariageReturn bool
}
func (f *file) Type() string {
@ -113,6 +114,9 @@ func getTypedResource(path string, info os.FileInfo) (dirEntry, error) {
func newSymlink(path string, info os.FileInfo) (*symlink, error) {
target, err := os.Readlink(path)
if err != nil {
return nil, err
}
return &symlink{
resource: newResourceFromInfo(info),
target: target,
@ -122,6 +126,9 @@ func newSymlink(path string, info os.FileInfo) (*symlink, error) {
func newFile(path string, info os.FileInfo) (*file, error) {
// TODO: defer file opening to reduce number of open FDs?
readCloser, err := os.Open(path)
if err != nil {
return nil, err
}
return &file{
resource: newResourceFromInfo(info),
content: readCloser,

22
vendor/gotest.tools/fs/ops.go vendored
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@ -172,23 +172,35 @@ func copyDirectory(source, dest string) error {
for _, entry := range entries {
sourcePath := filepath.Join(source, entry.Name())
destPath := filepath.Join(dest, entry.Name())
if entry.IsDir() {
switch {
case entry.IsDir():
if err := os.Mkdir(destPath, 0755); err != nil {
return err
}
if err := copyDirectory(sourcePath, destPath); err != nil {
return err
}
continue
case entry.Mode()&os.ModeSymlink != 0:
if err := copySymLink(sourcePath, destPath); err != nil {
return err
}
// TODO: handle symlinks
default:
if err := copyFile(sourcePath, destPath); err != nil {
return err
}
}
}
return nil
}
func copySymLink(source, dest string) error {
link, err := os.Readlink(source)
if err != nil {
return err
}
return os.Symlink(link, dest)
}
func copyFile(source, dest string) error {
content, err := ioutil.ReadFile(source)
if err != nil {
@ -219,7 +231,7 @@ func WithSymlink(path, target string) PathOp {
func WithHardlink(path, target string) PathOp {
return func(root Path) error {
if _, ok := root.(manifestDirectory); ok {
return errors.New("WithHardlink yet implemented for manifests")
return errors.New("WithHardlink not implemented for manifests")
}
return os.Link(filepath.Join(root.Path(), target), filepath.Join(root.Path(), path))
}
@ -230,7 +242,7 @@ func WithHardlink(path, target string) PathOp {
func WithTimestamps(atime, mtime time.Time) PathOp {
return func(root Path) error {
if _, ok := root.(manifestDirectory); ok {
return errors.New("WithTimestamp yet implemented for manifests")
return errors.New("WithTimestamp not implemented for manifests")
}
return os.Chtimes(root.Path(), atime, mtime)
}

9
vendor/gotest.tools/fs/path.go vendored
View File

@ -127,6 +127,15 @@ func MatchAnyFileContent(path Path) error {
return nil
}
// MatchContentIgnoreCarriageReturn is a PathOp that ignores cariage return
// discrepancies.
func MatchContentIgnoreCarriageReturn(path Path) error {
if m, ok := path.(*filePath); ok {
m.file.ignoreCariageReturn = true
}
return nil
}
const anyFile = "*"
// MatchExtraFiles is a PathOp that updates a Manifest to allow a directory

18
vendor/gotest.tools/fs/report.go vendored
View File

@ -6,6 +6,7 @@ import (
"io/ioutil"
"os"
"path/filepath"
"runtime"
"sort"
"strings"
@ -67,6 +68,11 @@ func eqResource(x, y resource) []problem {
return p
}
func removeCarriageReturn(in []byte) []byte {
return bytes.Replace(in, []byte("\r\n"), []byte("\n"), -1)
}
// nolint: gocyclo
func eqFile(x, y *file) []problem {
p := eqResource(x.resource, y.resource)
@ -95,6 +101,10 @@ func eqFile(x, y *file) []problem {
if xErr != nil || yErr != nil {
return p
}
if x.ignoreCariageReturn || y.ignoreCariageReturn {
xContent = removeCarriageReturn(xContent)
yContent = removeCarriageReturn(yContent)
}
if !bytes.Equal(xContent, yContent) {
p = append(p, diffContent(xContent, yContent))
@ -126,7 +136,13 @@ func indent(s, prefix string) string {
func eqSymlink(x, y *symlink) []problem {
p := eqResource(x.resource, y.resource)
if x.target != y.target {
xTarget := x.target
yTarget := y.target
if runtime.GOOS == "windows" {
xTarget = strings.ToLower(xTarget)
yTarget = strings.ToLower(yTarget)
}
if xTarget != yTarget {
p = append(p, notEqual("target", x.target, y.target))
}
return p

2
vendor/gotest.tools/golden/golden.go vendored
View File

@ -98,7 +98,7 @@ func String(actual string, filename string) cmp.Comparison {
// AssertBytes compares the actual result to the expected result in the golden
// file. If the `-test.update-golden` flag is set then the actual content is
// written to the golden file.
// Returns whether the assertion was successful (true) or not (false)
// Returns whether the assertion was successful (true) or not (false).
// This is equivalent to assert.Check(t, Bytes(actual, filename))
func AssertBytes(
t assert.TestingT,

9
vendor/gotest.tools/icmd/command.go vendored
View File

@ -132,18 +132,21 @@ func (r *Result) String() string {
if r.Timeout {
timeout = " (timeout)"
}
var errString string
if r.Error != nil {
errString = "\nError: " + r.Error.Error()
}
return fmt.Sprintf(`
Command: %s
ExitCode: %d%s
Error: %v
ExitCode: %d%s%s
Stdout: %v
Stderr: %v
`,
strings.Join(r.Cmd.Args, " "),
r.ExitCode,
timeout,
r.Error,
errString,
r.Stdout(),
r.Stderr())
}

34
vendor/gotest.tools/icmd/ops.go vendored
View File

@ -1,4 +1,38 @@
package icmd
import (
"io"
"time"
)
// CmdOp is an operation which modified a Cmd structure used to execute commands
type CmdOp func(*Cmd)
// WithTimeout sets the timeout duration of the command
func WithTimeout(timeout time.Duration) CmdOp {
return func(c *Cmd) {
c.Timeout = timeout
}
}
// WithEnv sets the environment variable of the command.
// Each arguments are in the form of KEY=VALUE
func WithEnv(env ...string) CmdOp {
return func(c *Cmd) {
c.Env = env
}
}
// Dir sets the working directory of the command
func Dir(path string) CmdOp {
return func(c *Cmd) {
c.Dir = path
}
}
// WithStdin sets the standard input of the command to the specified reader
func WithStdin(r io.Reader) CmdOp {
return func(c *Cmd) {
c.Stdin = r
}
}

23
vendor/gotest.tools/internal/difflib/difflib.go vendored
View File

@ -20,12 +20,14 @@ func max(a, b int) int {
return b
}
// Match stores line numbers of size of match
type Match struct {
A int
B int
Size int
}
// OpCode identifies the type of diff
type OpCode struct {
Tag byte
I1 int
@ -73,19 +75,20 @@ type SequenceMatcher struct {
opCodes []OpCode
}
// NewMatcher returns a new SequenceMatcher
func NewMatcher(a, b []string) *SequenceMatcher {
m := SequenceMatcher{autoJunk: true}
m.SetSeqs(a, b)
return &m
}
// Set two sequences to be compared.
// SetSeqs sets two sequences to be compared.
func (m *SequenceMatcher) SetSeqs(a, b []string) {
m.SetSeq1(a)
m.SetSeq2(b)
}
// Set the first sequence to be compared. The second sequence to be compared is
// SetSeq1 sets the first sequence to be compared. The second sequence to be compared is
// not changed.
//
// SequenceMatcher computes and caches detailed information about the second
@ -103,7 +106,7 @@ func (m *SequenceMatcher) SetSeq1(a []string) {
m.opCodes = nil
}
// Set the second sequence to be compared. The first sequence to be compared is
// SetSeq2 sets the second sequence to be compared. The first sequence to be compared is
// not changed.
func (m *SequenceMatcher) SetSeq2(b []string) {
if &b == &m.b {
@ -129,12 +132,12 @@ func (m *SequenceMatcher) chainB() {
m.bJunk = map[string]struct{}{}
if m.IsJunk != nil {
junk := m.bJunk
for s, _ := range b2j {
for s := range b2j {
if m.IsJunk(s) {
junk[s] = struct{}{}
}
}
for s, _ := range junk {
for s := range junk {
delete(b2j, s)
}
}
@ -149,7 +152,7 @@ func (m *SequenceMatcher) chainB() {
popular[s] = struct{}{}
}
}
for s, _ := range popular {
for s := range popular {
delete(b2j, s)
}
}
@ -259,7 +262,7 @@ func (m *SequenceMatcher) findLongestMatch(alo, ahi, blo, bhi int) Match {
return Match{A: besti, B: bestj, Size: bestsize}
}
// Return list of triples describing matching subsequences.
// GetMatchingBlocks returns a list of triples describing matching subsequences.
//
// Each triple is of the form (i, j, n), and means that
// a[i:i+n] == b[j:j+n]. The triples are monotonically increasing in
@ -323,7 +326,7 @@ func (m *SequenceMatcher) GetMatchingBlocks() []Match {
return m.matchingBlocks
}
// Return list of 5-tuples describing how to turn a into b.
// GetOpCodes returns a list of 5-tuples describing how to turn a into b.
//
// Each tuple is of the form (tag, i1, i2, j1, j2). The first tuple
// has i1 == j1 == 0, and remaining tuples have i1 == the i2 from the
@ -374,7 +377,7 @@ func (m *SequenceMatcher) GetOpCodes() []OpCode {
return m.opCodes
}
// Isolate change clusters by eliminating ranges with no changes.
// GetGroupedOpCodes isolates change clusters by eliminating ranges with no changes.
//
// Return a generator of groups with up to n lines of context.
// Each group is in the same format as returned by GetOpCodes().
@ -384,7 +387,7 @@ func (m *SequenceMatcher) GetGroupedOpCodes(n int) [][]OpCode {
}
codes := m.GetOpCodes()
if len(codes) == 0 {
codes = []OpCode{OpCode{'e', 0, 1, 0, 1}}
codes = []OpCode{{'e', 0, 1, 0, 1}}
}
// Fixup leading and trailing groups if they show no changes.
if codes[0].Tag == 'e' {

53
vendor/gotest.tools/internal/source/defers.go vendored Normal file
View File

@ -0,0 +1,53 @@
package source
import (
"go/ast"
"go/token"
"github.com/pkg/errors"
)
func scanToDeferLine(fileset *token.FileSet, node ast.Node, lineNum int) ast.Node {
var matchedNode ast.Node
ast.Inspect(node, func(node ast.Node) bool {
switch {
case node == nil || matchedNode != nil:
return false
case fileset.Position(node.End()).Line == lineNum:
if funcLit, ok := node.(*ast.FuncLit); ok {
matchedNode = funcLit
return false
}
}
return true
})
debug("defer line node: %s", debugFormatNode{matchedNode})
return matchedNode
}
func guessDefer(node ast.Node) (ast.Node, error) {
defers := collectDefers(node)
switch len(defers) {
case 0:
return nil, errors.New("failed to expression in defer")
case 1:
return defers[0].Call, nil
default:
return nil, errors.Errorf(
"ambiguous call expression: multiple (%d) defers in call block",
len(defers))
}
}
func collectDefers(node ast.Node) []*ast.DeferStmt {
var defers []*ast.DeferStmt
ast.Inspect(node, func(node ast.Node) bool {
if d, ok := node.(*ast.DeferStmt); ok {
defers = append(defers, d)
debug("defer: %s", debugFormatNode{d})
return false
}
return true
})
return defers
}

203
vendor/gotest.tools/internal/source/source.go vendored
View File

@ -24,106 +24,12 @@ func FormattedCallExprArg(stackIndex int, argPos int) (string, error) {
if err != nil {
return "", err
}
if argPos >= len(args) {
return "", errors.New("failed to find expression")
}
return FormatNode(args[argPos])
}
func getNodeAtLine(filename string, lineNum int) (ast.Node, error) {
fileset := token.NewFileSet()
astFile, err := parser.ParseFile(fileset, filename, nil, parser.AllErrors)
if err != nil {
return nil, errors.Wrapf(err, "failed to parse source file: %s", filename)
}
node := scanToLine(fileset, astFile, lineNum)
if node == nil {
return nil, errors.Errorf(
"failed to find an expression on line %d in %s", lineNum, filename)
}
return node, nil
}
func scanToLine(fileset *token.FileSet, node ast.Node, lineNum int) ast.Node {
v := &scanToLineVisitor{lineNum: lineNum, fileset: fileset}
ast.Walk(v, node)
return v.matchedNode
}
type scanToLineVisitor struct {
lineNum int
matchedNode ast.Node
fileset *token.FileSet
}
func (v *scanToLineVisitor) Visit(node ast.Node) ast.Visitor {
if node == nil || v.matchedNode != nil {
return nil
}
if v.nodePosition(node).Line == v.lineNum {
v.matchedNode = node
return nil
}
return v
}
// In golang 1.9 the line number changed from being the line where the statement
// ended to the line where the statement began.
func (v *scanToLineVisitor) nodePosition(node ast.Node) token.Position {
if goVersionBefore19 {
return v.fileset.Position(node.End())
}
return v.fileset.Position(node.Pos())
}
var goVersionBefore19 = isGOVersionBefore19()
func isGOVersionBefore19() bool {
version := runtime.Version()
// not a release version
if !strings.HasPrefix(version, "go") {
return false
}
version = strings.TrimPrefix(version, "go")
parts := strings.Split(version, ".")
if len(parts) < 2 {
return false
}
minor, err := strconv.ParseInt(parts[1], 10, 32)
return err == nil && parts[0] == "1" && minor < 9
}
func getCallExprArgs(node ast.Node) ([]ast.Expr, error) {
visitor := &callExprVisitor{}
ast.Walk(visitor, node)
if visitor.expr == nil {
return nil, errors.New("failed to find call expression")
}
return visitor.expr.Args, nil
}
type callExprVisitor struct {
expr *ast.CallExpr
}
func (v *callExprVisitor) Visit(node ast.Node) ast.Visitor {
if v.expr != nil || node == nil {
return nil
}
debug("visit (%T): %s", node, debugFormatNode{node})
if callExpr, ok := node.(*ast.CallExpr); ok {
v.expr = callExpr
return nil
}
return v
}
// FormatNode using go/format.Node and return the result as a string
func FormatNode(node ast.Node) (string, error) {
buf := new(bytes.Buffer)
err := format.Node(buf, token.NewFileSet(), node)
return buf.String(), err
}
// CallExprArgs returns the ast.Expr slice for the args of an ast.CallExpr at
// the index in the call stack.
func CallExprArgs(stackIndex int) ([]ast.Expr, error) {
@ -137,12 +43,109 @@ func CallExprArgs(stackIndex int) ([]ast.Expr, error) {
if err != nil {
return nil, err
}
debug("found node (%T): %s", node, debugFormatNode{node})
debug("found node: %s", debugFormatNode{node})
return getCallExprArgs(node)
}
var debugEnabled = os.Getenv("GOTESTYOURSELF_DEBUG") != ""
func getNodeAtLine(filename string, lineNum int) (ast.Node, error) {
fileset := token.NewFileSet()
astFile, err := parser.ParseFile(fileset, filename, nil, parser.AllErrors)
if err != nil {
return nil, errors.Wrapf(err, "failed to parse source file: %s", filename)
}
if node := scanToLine(fileset, astFile, lineNum); node != nil {
return node, nil
}
if node := scanToDeferLine(fileset, astFile, lineNum); node != nil {
node, err := guessDefer(node)
if err != nil || node != nil {
return node, err
}
}
return nil, errors.Errorf(
"failed to find an expression on line %d in %s", lineNum, filename)
}
func scanToLine(fileset *token.FileSet, node ast.Node, lineNum int) ast.Node {
var matchedNode ast.Node
ast.Inspect(node, func(node ast.Node) bool {
switch {
case node == nil || matchedNode != nil:
return false
case nodePosition(fileset, node).Line == lineNum:
matchedNode = node
return false
}
return true
})
return matchedNode
}
// In golang 1.9 the line number changed from being the line where the statement
// ended to the line where the statement began.
func nodePosition(fileset *token.FileSet, node ast.Node) token.Position {
if goVersionBefore19 {
return fileset.Position(node.End())
}
return fileset.Position(node.Pos())
}
var goVersionBefore19 = func() bool {
version := runtime.Version()
// not a release version
if !strings.HasPrefix(version, "go") {
return false
}
version = strings.TrimPrefix(version, "go")
parts := strings.Split(version, ".")
if len(parts) < 2 {
return false
}
minor, err := strconv.ParseInt(parts[1], 10, 32)
return err == nil && parts[0] == "1" && minor < 9
}()
func getCallExprArgs(node ast.Node) ([]ast.Expr, error) {
visitor := &callExprVisitor{}
ast.Walk(visitor, node)
if visitor.expr == nil {
return nil, errors.New("failed to find call expression")
}
debug("callExpr: %s", debugFormatNode{visitor.expr})
return visitor.expr.Args, nil
}
type callExprVisitor struct {
expr *ast.CallExpr
}
func (v *callExprVisitor) Visit(node ast.Node) ast.Visitor {
if v.expr != nil || node == nil {
return nil
}
debug("visit: %s", debugFormatNode{node})
switch typed := node.(type) {
case *ast.CallExpr:
v.expr = typed
return nil
case *ast.DeferStmt:
ast.Walk(v, typed.Call.Fun)
return nil
}
return v
}
// FormatNode using go/format.Node and return the result as a string
func FormatNode(node ast.Node) (string, error) {
buf := new(bytes.Buffer)
err := format.Node(buf, token.NewFileSet(), node)
return buf.String(), err
}
var debugEnabled = os.Getenv("GOTESTTOOLS_DEBUG") != ""
func debug(format string, args ...interface{}) {
if debugEnabled {
@ -159,5 +162,5 @@ func (n debugFormatNode) String() string {
if err != nil {
return fmt.Sprintf("failed to format %s: %s", n.Node, err)
}
return out
return fmt.Sprintf("(%T) %s", n.Node, out)
}