1env GO111MODULE=on
2[short] skip
3
4# golang.org/x/internal should be importable from other golang.org/x modules.
5go mod edit -module=golang.org/x/anything
6go get .
7
8# ...and their tests...
9go test
10stdout PASS
11
12# ...but that should not leak into other modules.
13go get ./baddep
14! go build ./baddep
15stderr golang.org[/\\]notx[/\\]useinternal
16stderr 'use of internal package golang.org/x/.* not allowed'
17
18# Internal packages in the standard library should not leak into modules.
19go get ./fromstd
20! go build ./fromstd
21stderr 'use of internal package internal/testenv not allowed'
22
23# Dependencies should be able to use their own internal modules...
24go mod edit -module=golang.org/notx
25go get ./throughdep
26
27# ... but other modules should not, even if they have transitive dependencies.
28go get .
29! go build .
30stderr 'use of internal package golang.org/x/.* not allowed'
31
32# And transitive dependencies still should not leak.
33go get ./baddep
34! go build ./baddep
35stderr golang.org[/\\]notx[/\\]useinternal
36stderr 'use of internal package golang.org/x/.* not allowed'
37
38# Replacing an internal module should keep it internal to the same paths.
39go mod edit -module=golang.org/notx
40go mod edit -replace golang.org/x/internal=./replace/golang.org/notx/internal
41go get ./throughdep
42
43go get ./baddep
44! go build ./baddep
45stderr golang.org[/\\]notx[/\\]useinternal
46stderr 'use of internal package golang.org/x/.* not allowed'
47
48go mod edit -replace golang.org/x/internal=./vendor/golang.org/x/internal
49go get ./throughdep
50
51go get ./baddep
52! go build ./baddep
53stderr golang.org[/\\]notx[/\\]useinternal
54stderr 'use of internal package golang.org/x/.* not allowed'
55
56-- go.mod --
57module TBD
58go 1.12
59-- useinternal.go --
60package useinternal
61import _ "golang.org/x/internal/subtle"
62
63-- useinternal_test.go --
64package useinternal_test
65import (
66 "testing"
67 _ "golang.org/x/internal/subtle"
68)
69
70func Test(*testing.T) {}
71
72-- throughdep/useinternal.go --
73package throughdep
74import _ "golang.org/x/useinternal"
75
76-- baddep/useinternal.go --
77package baddep
78import _ "golang.org/notx/useinternal"
79
80-- fromstd/useinternal.go --
81package fromstd
82import _ "internal/testenv"
83
84-- replace/golang.org/notx/internal/go.mod --
85module golang.org/x/internal
86
87-- replace/golang.org/notx/internal/subtle/subtle.go --
88package subtle
89// Ha ha! Nothing here!
90
91-- vendor/golang.org/x/internal/go.mod --
92module golang.org/x/internal
93
94-- vendor/golang.org/x/internal/subtle/subtle.go --
95package subtle
96// Ha ha! Nothing here!
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