+++ /dev/null
-// Copyright 2019 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 file.
-
-package cover
-
-import (
- "fmt"
- "io/ioutil"
- "os"
- "reflect"
- "testing"
-)
-
-func TestParseProfiles(t *testing.T) {
- tests := []struct {
- name string
- input string
- output []*Profile
- expectErr bool
- }{
- {
- name: "parsing an empty file produces empty output",
- input: `mode: set`,
- output: []*Profile{},
- },
- {
- name: "simple valid file produces expected output",
- input: `mode: set
-some/fancy/path:42.69,44.16 2 1`,
- output: []*Profile{
- {
- FileName: "some/fancy/path",
- Mode: "set",
- Blocks: []ProfileBlock{
- {
- StartLine: 42, StartCol: 69,
- EndLine: 44, EndCol: 16,
- NumStmt: 2, Count: 1,
- },
- },
- },
- },
- },
- {
- name: "file with syntax characters in path produces expected output",
- input: `mode: set
-some fancy:path/some,file.go:42.69,44.16 2 1`,
- output: []*Profile{
- {
- FileName: "some fancy:path/some,file.go",
- Mode: "set",
- Blocks: []ProfileBlock{
- {
- StartLine: 42, StartCol: 69,
- EndLine: 44, EndCol: 16,
- NumStmt: 2, Count: 1,
- },
- },
- },
- },
- },
- {
- name: "file with multiple blocks in one file produces expected output",
- input: `mode: set
-some/fancy/path:42.69,44.16 2 1
-some/fancy/path:44.16,46.3 1 0`,
- output: []*Profile{
- {
- FileName: "some/fancy/path",
- Mode: "set",
- Blocks: []ProfileBlock{
- {
- StartLine: 42, StartCol: 69,
- EndLine: 44, EndCol: 16,
- NumStmt: 2, Count: 1,
- },
- {
- StartLine: 44, StartCol: 16,
- EndLine: 46, EndCol: 3,
- NumStmt: 1, Count: 0,
- },
- },
- },
- },
- },
- {
- name: "file with multiple files produces expected output",
- input: `mode: set
-another/fancy/path:44.16,46.3 1 0
-some/fancy/path:42.69,44.16 2 1`,
- output: []*Profile{
- {
- FileName: "another/fancy/path",
- Mode: "set",
- Blocks: []ProfileBlock{
- {
- StartLine: 44, StartCol: 16,
- EndLine: 46, EndCol: 3,
- NumStmt: 1, Count: 0,
- },
- },
- },
- {
- FileName: "some/fancy/path",
- Mode: "set",
- Blocks: []ProfileBlock{
- {
- StartLine: 42, StartCol: 69,
- EndLine: 44, EndCol: 16,
- NumStmt: 2, Count: 1,
- },
- },
- },
- },
- },
- {
- name: "intertwined files are merged correctly",
- input: `mode: set
-some/fancy/path:42.69,44.16 2 1
-another/fancy/path:47.2,47.13 1 1
-some/fancy/path:44.16,46.3 1 0`,
- output: []*Profile{
- {
- FileName: "another/fancy/path",
- Mode: "set",
- Blocks: []ProfileBlock{
- {
- StartLine: 47, StartCol: 2,
- EndLine: 47, EndCol: 13,
- NumStmt: 1, Count: 1,
- },
- },
- },
- {
- FileName: "some/fancy/path",
- Mode: "set",
- Blocks: []ProfileBlock{
- {
- StartLine: 42, StartCol: 69,
- EndLine: 44, EndCol: 16,
- NumStmt: 2, Count: 1,
- },
- {
- StartLine: 44, StartCol: 16,
- EndLine: 46, EndCol: 3,
- NumStmt: 1, Count: 0,
- },
- },
- },
- },
- },
- {
- name: "duplicate blocks are merged correctly",
- input: `mode: count
-some/fancy/path:42.69,44.16 2 4
-some/fancy/path:42.69,44.16 2 3`,
- output: []*Profile{
- {
- FileName: "some/fancy/path",
- Mode: "count",
- Blocks: []ProfileBlock{
- {
- StartLine: 42, StartCol: 69,
- EndLine: 44, EndCol: 16,
- NumStmt: 2, Count: 7,
- },
- },
- },
- },
- },
- {
- name: "an invalid mode line is an error",
- input: `mode:count`,
- expectErr: true,
- },
- {
- name: "a missing field is an error",
- input: `mode: count
-some/fancy/path:42.69,44.16 2`,
- expectErr: true,
- },
- {
- name: "a missing path field is an error",
- input: `mode: count
-42.69,44.16 2 3`,
- expectErr: true,
- },
- {
- name: "a non-numeric count is an error",
- input: `mode: count
-42.69,44.16 2 nope`,
- expectErr: true,
- },
- {
- name: "an empty path is an error",
- input: `mode: count
-:42.69,44.16 2 3`,
- expectErr: true,
- },
- {
- name: "a negative count is an error",
- input: `mode: count
-some/fancy/path:42.69,44.16 2 -1`,
- expectErr: true,
- },
- }
-
- for _, tc := range tests {
- t.Run(tc.name, func(t *testing.T) {
- f, err := ioutil.TempFile("", "")
- if err != nil {
- t.Fatalf("Failed to create a temp file: %v.", err)
- }
- defer func() {
- f.Close()
- os.Remove(f.Name())
- }()
- n, err := f.WriteString(tc.input)
- if err != nil {
- t.Fatalf("Failed to write to temp file: %v", err)
- }
- if n < len(tc.input) {
- t.Fatalf("Didn't write enough bytes to temp file (wrote %d, expected %d).", n, len(tc.input))
- }
- if err := f.Sync(); err != nil {
- t.Fatalf("Failed to sync temp file: %v", err)
- }
-
- result, err := ParseProfiles(f.Name())
- if err != nil {
- if !tc.expectErr {
- t.Errorf("Unexpected error: %v", err)
- }
- return
- }
- if tc.expectErr {
- t.Errorf("Expected an error, but got value %q", stringifyProfileArray(result))
- }
- if !reflect.DeepEqual(result, tc.output) {
- t.Errorf("Mismatched results.\nExpected: %s\nActual: %s", stringifyProfileArray(tc.output), stringifyProfileArray(result))
- }
- })
- }
-}
-
-func stringifyProfileArray(profiles []*Profile) string {
- deref := make([]Profile, 0, len(profiles))
- for _, p := range profiles {
- deref = append(deref, *p)
- }
- return fmt.Sprintf("%#v", deref)
-}
-
-func BenchmarkParseLine(b *testing.B) {
- const line = "k8s.io/kubernetes/cmd/kube-controller-manager/app/options/ttlafterfinishedcontroller.go:31.73,32.14 1 1"
- b.SetBytes(int64(len(line)))
- for n := 0; n < b.N; n++ {
- parseLine(line)
- }
-}
projects / dotfiles / .git / blobdiff