/usr/share/gocode/src/github.com/constabulary/gb/context_test.go is in golang-github-constabulary-gb-dev 0.4.4-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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import (
"fmt"
"go/build"
"path/filepath"
"reflect"
"runtime"
"runtime/debug"
"strings"
"testing"
)
func testImportCycle(pkg string, t *testing.T) {
ctx := testContext(t)
debug.SetMaxStack(1 << 18)
_, err := ctx.ResolvePackage(pkg)
if strings.Index(err.Error(), "cycle detected") == -1 {
t.Errorf("ctx.ResolvePackage returned wrong error. Expected cycle detection, got: %v", err)
}
if err == nil {
t.Errorf("ctx.ResolvePackage should have returned an error for cycle, returned nil")
}
}
func TestOneElementCycleDetection(t *testing.T) {
testImportCycle("cycle0", t)
}
func TestSimpleCycleDetection(t *testing.T) {
testImportCycle("cycle1/a", t)
}
func TestLongCycleDetection(t *testing.T) {
testImportCycle("cycle2/a", t)
}
func TestContextCtxString(t *testing.T) {
opts := func(o ...func(*Context) error) []func(*Context) error { return o }
join := func(s ...string) string { return strings.Join(s, "-") }
tests := []struct {
opts []func(*Context) error
want string
}{
{nil, join(runtime.GOOS, runtime.GOARCH)},
{opts(GOOS("windows")), join("windows", runtime.GOARCH)},
{opts(GOARCH("arm64")), join(runtime.GOOS, "arm64")},
{opts(GOARCH("arm64"), GOOS("plan9")), join("plan9", "arm64")},
{opts(Tags()), join(runtime.GOOS, runtime.GOARCH)},
{opts(Tags("sphinx", "leon")), join(runtime.GOOS, runtime.GOARCH, "leon", "sphinx")},
{opts(Tags("sphinx", "leon"), GOARCH("ppc64le")), join(runtime.GOOS, "ppc64le", "leon", "sphinx")},
}
proj := testProject(t)
for _, tt := range tests {
ctx, err := NewContext(proj, tt.opts...)
if err != nil {
t.Fatal(err)
}
defer ctx.Destroy()
got := ctx.ctxString()
if got != tt.want {
t.Errorf("NewContext(%q).ctxString(): got %v, want %v", tt.opts, got, tt.want)
}
}
}
func TestContextOptions(t *testing.T) {
matches := func(want Context) func(t *testing.T, got *Context) {
return func(t *testing.T, got *Context) {
if !reflect.DeepEqual(got, &want) {
t.Errorf("got %#v, want %#v", got, &want)
}
}
}
tests := []struct {
ctx Context
fn func(*Context) error
err error
expect func(*testing.T, *Context)
}{{
// assert that an zero context is not altered by the test rig.
fn: func(*Context) error { return nil },
expect: matches(Context{}),
}, {
// test blank GOOS is an error
fn: GOOS(""),
err: fmt.Errorf("GOOS cannot be blank"),
}, {
// test blank GOARCH is an error
fn: GOARCH(""),
err: fmt.Errorf("GOARCH cannot be blank"),
}, {
ctx: Context{
gotargetos: "bar",
gotargetarch: "baz",
},
fn: GOOS("foo"),
expect: matches(Context{
gotargetos: "foo",
gotargetarch: "baz",
}),
}, {
ctx: Context{
gotargetos: "bar",
gotargetarch: "baz",
},
fn: GOARCH("foo"),
expect: matches(Context{
gotargetos: "bar",
gotargetarch: "foo",
}),
}, {
fn: Tags(),
expect: matches(Context{}),
}, {
fn: Tags("foo"),
expect: matches(Context{buildtags: []string{"foo"}}),
}, {
ctx: Context{buildtags: []string{"foo"}},
fn: Tags("bar"),
expect: matches(Context{buildtags: []string{"foo", "bar"}}),
}, {
fn: Gcflags("foo"),
expect: matches(Context{gcflags: []string{"foo"}}),
}, {
ctx: Context{gcflags: []string{"foo"}},
fn: Gcflags("bar"),
expect: matches(Context{gcflags: []string{"foo", "bar"}}),
}, {
fn: Ldflags("foo"),
expect: matches(Context{ldflags: []string{"foo"}}),
}, {
ctx: Context{ldflags: []string{"foo"}},
fn: Ldflags("bar"),
expect: matches(Context{ldflags: []string{"foo", "bar"}}),
}, {
fn: WithRace,
expect: matches(Context{
buildtags: []string{"race"},
race: true,
gcflags: []string{"-race"},
ldflags: []string{"-race"},
}),
}, {
ctx: Context{buildtags: []string{"zzz"}},
fn: WithRace,
expect: matches(Context{
buildtags: []string{"zzz", "race"},
race: true,
gcflags: []string{"-race"},
ldflags: []string{"-race"},
}),
}}
for i, tt := range tests {
ctx := tt.ctx
err := tt.fn(&ctx)
switch {
case !reflect.DeepEqual(err, tt.err):
t.Errorf("test %d: expected err: %v, got %v", i+1, tt.err, err)
case err == nil:
tt.expect(t, &ctx)
}
}
}
func TestContextLoadPackage(t *testing.T) {
tests := []struct {
opts []func(*Context) error
path string
}{
{path: "errors"},
{path: "net/http"}, // triggers vendor logic on go 1.6+
}
proj := testProject(t)
for _, tt := range tests {
ctx, err := NewContext(proj, tt.opts...)
if err != nil {
t.Fatal(err)
}
defer ctx.Destroy()
_, err = ctx.loadPackage(nil, tt.path)
if err != nil {
t.Errorf("loadPackage(%q): %v", tt.path, err)
}
}
}
func TestCgoEnabled(t *testing.T) {
tests := []struct {
gohostos, gohostarch string
gotargetos, gotargetarch string
want bool
}{{
"linux", "amd64", "linux", "amd64", true,
}, {
"linux", "amd64", "linux", "386", false,
}}
for _, tt := range tests {
got := cgoEnabled(tt.gohostos, tt.gohostarch, tt.gotargetos, tt.gotargetarch)
if got != tt.want {
t.Errorf("cgoEnabled(%q, %q, %q, %q): got %v, want %v", tt.gohostos, tt.gohostarch, tt.gotargetos, tt.gotargetarch, got, tt.want)
}
}
}
func TestContextImportPackage(t *testing.T) {
proj := testProject(t)
tests := []struct {
path string
err error
}{{
path: "a",
}, {
path: "cgomain",
}, {
path: "net/http", // loaded from GOROOT
}, {
path: "cmd",
err: &build.NoGoError{Dir: filepath.Join(proj.Projectdir(), "src", "cmd")},
}}
for _, tt := range tests {
ctx, err := NewContext(proj)
if err != nil {
t.Fatal(err)
}
_, err = ctx.importer.Import(tt.path)
if !reflect.DeepEqual(err, tt.err) {
t.Errorf("importPackage(%q): got %v, want %v", tt.path, err, tt.err)
}
}
}
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