File size: 4,874 Bytes
f7a7bb1 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 | // Copyright 2022 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 cformat_test
import (
"internal/coverage"
"internal/coverage/cformat"
"slices"
"strings"
"testing"
)
func TestBasics(t *testing.T) {
fm := cformat.NewFormatter(coverage.CtrModeAtomic)
mku := func(stl, enl, nx uint32) coverage.CoverableUnit {
return coverage.CoverableUnit{
StLine: stl,
EnLine: enl,
NxStmts: nx,
}
}
fn1units := []coverage.CoverableUnit{
mku(10, 11, 2),
mku(15, 11, 1),
}
fn2units := []coverage.CoverableUnit{
mku(20, 25, 3),
mku(30, 31, 2),
mku(33, 40, 7),
}
fn3units := []coverage.CoverableUnit{
mku(99, 100, 1),
}
fm.SetPackage("my/pack1")
for k, u := range fn1units {
fm.AddUnit("p.go", "f1", false, u, uint32(k))
}
for k, u := range fn2units {
fm.AddUnit("q.go", "f2", false, u, 0)
fm.AddUnit("q.go", "f2", false, u, uint32(k))
}
fm.SetPackage("my/pack2")
for _, u := range fn3units {
fm.AddUnit("lit.go", "f3", true, u, 0)
}
var b1, b2, b3, b4, b5 strings.Builder
if err := fm.EmitTextual(nil, &b1); err != nil {
t.Fatalf("EmitTextual returned %v", err)
}
wantText := strings.TrimSpace(`
mode: atomic
p.go:10.0,11.0 2 0
p.go:15.0,11.0 1 1
q.go:20.0,25.0 3 0
q.go:30.0,31.0 2 1
q.go:33.0,40.0 7 2
lit.go:99.0,100.0 1 0`)
gotText := strings.TrimSpace(b1.String())
if wantText != gotText {
t.Errorf("emit text: got:\n%s\nwant:\n%s\n", gotText, wantText)
}
selected := []string{"my/pack2"}
if err := fm.EmitTextual(selected, &b5); err != nil {
t.Fatalf("EmitTextual returned %v", err)
}
wantText = strings.TrimSpace(`
mode: atomic
lit.go:99.0,100.0 1 0`)
gotText = strings.TrimSpace(b5.String())
if wantText != gotText {
t.Errorf("emit text: got:\n%s\nwant:\n%s\n", gotText, wantText)
}
// Percent output with no aggregation.
noCoverPkg := ""
if err := fm.EmitPercent(&b2, nil, noCoverPkg, false, false); err != nil {
t.Fatalf("EmitPercent returned %v", err)
}
wantPercent := strings.Fields(`
my/pack1 coverage: 66.7% of statements
my/pack2 coverage: 0.0% of statements
`)
gotPercent := strings.Fields(b2.String())
if !slices.Equal(wantPercent, gotPercent) {
t.Errorf("emit percent: got:\n%+v\nwant:\n%+v\n",
gotPercent, wantPercent)
}
// Percent mode with aggregation.
withCoverPkg := " in ./..."
if err := fm.EmitPercent(&b3, nil, withCoverPkg, false, true); err != nil {
t.Fatalf("EmitPercent returned %v", err)
}
wantPercent = strings.Fields(`
coverage: 62.5% of statements in ./...
`)
gotPercent = strings.Fields(b3.String())
if !slices.Equal(wantPercent, gotPercent) {
t.Errorf("emit percent: got:\n%+v\nwant:\n%+v\n",
gotPercent, wantPercent)
}
if err := fm.EmitFuncs(&b4); err != nil {
t.Fatalf("EmitFuncs returned %v", err)
}
wantFuncs := strings.TrimSpace(`
p.go:10: f1 33.3%
q.go:20: f2 75.0%
total (statements) 62.5%`)
gotFuncs := strings.TrimSpace(b4.String())
if wantFuncs != gotFuncs {
t.Errorf("emit funcs: got:\n%s\nwant:\n%s\n", gotFuncs, wantFuncs)
}
if false {
t.Logf("text is %s\n", b1.String())
t.Logf("perc is %s\n", b2.String())
t.Logf("perc2 is %s\n", b3.String())
t.Logf("funcs is %s\n", b4.String())
}
// Percent output with specific packages selected.
{
var b strings.Builder
selpkgs := []string{"foo/bar", "my/pack1"}
if err := fm.EmitPercent(&b, selpkgs, noCoverPkg, false, false); err != nil {
t.Fatalf("EmitPercent returned %v", err)
}
wantPercent := strings.Fields(`
my/pack1 coverage: 66.7% of statements
`)
gotPercent := strings.Fields(b.String())
if !slices.Equal(wantPercent, gotPercent) {
t.Errorf("emit percent: got:\n%+v\nwant:\n%+v\n",
gotPercent, wantPercent)
}
}
}
func TestEmptyPackages(t *testing.T) {
fm := cformat.NewFormatter(coverage.CtrModeAtomic)
fm.SetPackage("my/pack1")
fm.SetPackage("my/pack2")
// No aggregation.
{
var b strings.Builder
noCoverPkg := ""
if err := fm.EmitPercent(&b, nil, noCoverPkg, true, false); err != nil {
t.Fatalf("EmitPercent returned %v", err)
}
wantPercent := strings.Fields(`
my/pack1 coverage: [no statements]
my/pack2 coverage: [no statements]
`)
gotPercent := strings.Fields(b.String())
if !slices.Equal(wantPercent, gotPercent) {
t.Errorf("emit percent: got:\n%+v\nwant:\n%+v\n",
gotPercent, wantPercent)
}
}
// With aggregation.
{
var b strings.Builder
noCoverPkg := ""
if err := fm.EmitPercent(&b, nil, noCoverPkg, true, true); err != nil {
t.Fatalf("EmitPercent returned %v", err)
}
wantPercent := strings.Fields(`
coverage: [no statements]
`)
gotPercent := strings.Fields(b.String())
if !slices.Equal(wantPercent, gotPercent) {
t.Errorf("emit percent: got:\n%+v\nwant:\n%+v\n",
gotPercent, wantPercent)
}
}
}
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