1# This test checks more of the "go build -cover" functionality,
2# specifically which packages get selected when building.
3
4[short] skip
5
6# Skip if new coverage is not enabled.
7[!GOEXPERIMENT:coverageredesign] skip
8
9#-------------------------------------------
10
11# Build for coverage.
12go build -mod=mod -o $WORK/modex.exe -cover mod.example/main
13
14# Save off old GOCOVERDIR setting
15env SAVEGOCOVERDIR=$GOCOVERDIR
16
17# Execute.
18mkdir $WORK/covdata
19env GOCOVERDIR=$WORK/covdata
20exec $WORK/modex.exe
21
22# Restore previous GOCOVERDIR setting
23env GOCOVERDIR=$SAVEGOCOVERDIR
24
25# Examine the result.
26go tool covdata percent -i=$WORK/covdata
27stdout 'coverage: 100.0% of statements'
28
29# By default we want to see packages resident in the module covered,
30# but not dependencies.
31go tool covdata textfmt -i=$WORK/covdata -o=$WORK/covdata/out.txt
32grep 'mode: set' $WORK/covdata/out.txt
33grep 'mod.example/main/main.go:' $WORK/covdata/out.txt
34grep 'mod.example/sub/sub.go:' $WORK/covdata/out.txt
35! grep 'rsc.io' $WORK/covdata/out.txt
36
37rm $WORK/covdata
38rm $WORK/modex.exe
39
40#-------------------------------------------
41
42# Repeat the build but with -coverpkg=all
43
44go build -mod=mod -coverpkg=all -o $WORK/modex.exe -cover mod.example/main
45
46# Execute.
47mkdir $WORK/covdata
48env GOCOVERDIR=$WORK/covdata
49exec $WORK/modex.exe
50
51# Restore previous GOCOVERDIR setting
52env GOCOVERDIR=$SAVEGOCOVERDIR
53
54# Examine the result.
55go tool covdata percent -i=$WORK/covdata
56stdout 'coverage:.*[1-9][0-9.]+%'
57
58# The whole enchilada.
59go tool covdata textfmt -i=$WORK/covdata -o=$WORK/covdata/out.txt
60grep 'mode: set' $WORK/covdata/out.txt
61grep 'mod.example/main/main.go:' $WORK/covdata/out.txt
62grep 'mod.example/sub/sub.go:' $WORK/covdata/out.txt
63grep 'rsc.io' $WORK/covdata/out.txt
64grep 'bufio/bufio.go:' $WORK/covdata/out.txt
65
66# Use the covdata tool to select a specific set of module paths
67mkdir $WORK/covdata2
68go tool covdata merge -pkg=rsc.io/quote -i=$WORK/covdata -o=$WORK/covdata2
69
70# Examine the result.
71go tool covdata percent -i=$WORK/covdata2
72stdout 'coverage:.*[1-9][0-9.]+%'
73
74# Check for expected packages + check that we don't see things from stdlib.
75go tool covdata textfmt -i=$WORK/covdata2 -o=$WORK/covdata2/out.txt
76grep 'mode: set' $WORK/covdata2/out.txt
77! grep 'mod.example/main/main.go:' $WORK/covdata2/out.txt
78! grep 'mod.example/sub/sub.go:' $WORK/covdata2/out.txt
79grep 'rsc.io' $WORK/covdata2/out.txt
80! grep 'bufio/bufio.go:' $WORK/covdata2/out.txt
81
82#-------------------------------------------
83# end of test cmds, start of harness and related files.
84
85-- go.mod --
86module mod.example
87
88go 1.20
89
90require rsc.io/quote/v3 v3.0.0
91
92-- main/main.go --
93package main
94
95import (
96 "fmt"
97 "mod.example/sub"
98
99 "rsc.io/quote"
100)
101
102func main() {
103 fmt.Println(quote.Go(), sub.F())
104}
105
106-- sub/sub.go --
107
108package sub
109
110func F() int {
111 return 42
112}
113
114
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