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// Copyright 2018 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 modload
import (
"context"
"internal/testenv"
"regexp"
"strings"
"testing"
)
var importTests = []struct {
path string
err string
}{
{
path: "golang.org/x/net/context",
err: "missing module for import: golang.org/x/net@.* provides golang.org/x/net/context",
},
{
path: "golang.org/x/net",
err: `module golang.org/x/net@.* found \(v0.0.0-.*\), but does not contain package golang.org/x/net`,
},
{
path: "golang.org/x/text",
err: "missing module for import: golang.org/x/text@.* provides golang.org/x/text",
},
{
path: "github.com/rsc/quote/buggy",
err: "missing module for import: github.com/rsc/quote@v1.5.2 provides github.com/rsc/quote/buggy",
},
{
path: "github.com/rsc/quote",
err: "missing module for import: github.com/rsc/quote@v1.5.2 provides github.com/rsc/quote",
},
{
path: "golang.org/x/foo/bar",
err: "cannot find module providing package golang.org/x/foo/bar",
},
}
func TestImport(t *testing.T) {
testenv.MustHaveExternalNetwork(t)
testenv.MustHaveExecPath(t, "git")
defer func(old bool) {
allowMissingModuleImports = old
}(allowMissingModuleImports)
AllowMissingModuleImports()
ctx := context.Background()
for _, tt := range importTests {
t.Run(strings.ReplaceAll(tt.path, "/", "_"), func(t *testing.T) {
// Note that there is no build list, so Import should always fail.
m, dir, err := Import(ctx, tt.path)
if err == nil {
t.Fatalf("Import(%q) = %v, %v, nil; expected error", tt.path, m, dir)
}
if !regexp.MustCompile(tt.err).MatchString(err.Error()) {
t.Fatalf("Import(%q): error %q, want error matching %#q", tt.path, err, tt.err)
}
})
}
}
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