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// 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 inlayhint
import (
"testing"
"golang.org/x/tools/gopls/internal/hooks"
. "golang.org/x/tools/gopls/internal/lsp/regtest"
"golang.org/x/tools/gopls/internal/lsp/source"
"golang.org/x/tools/internal/bug"
)
func TestMain(m *testing.M) {
bug.PanicOnBugs = true
Main(m, hooks.Options)
}
func TestEnablingInlayHints(t *testing.T) {
const workspace = `
-- go.mod --
module inlayHint.test
go 1.12
-- lib.go --
package lib
type Number int
const (
Zero Number = iota
One
Two
)
`
tests := []struct {
label string
enabled map[string]bool
wantInlayHint bool
}{
{
label: "default",
wantInlayHint: false,
},
{
label: "enable const",
enabled: map[string]bool{source.ConstantValues: true},
wantInlayHint: true,
},
{
label: "enable parameter names",
enabled: map[string]bool{source.ParameterNames: true},
wantInlayHint: false,
},
}
for _, test := range tests {
t.Run(test.label, func(t *testing.T) {
WithOptions(
Settings{
"hints": test.enabled,
},
).Run(t, workspace, func(t *testing.T, env *Env) {
env.OpenFile("lib.go")
lens := env.InlayHints("lib.go")
if gotInlayHint := len(lens) > 0; gotInlayHint != test.wantInlayHint {
t.Errorf("got inlayHint: %t, want %t", gotInlayHint, test.wantInlayHint)
}
})
})
}
}
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