mirror of https://github.com/golang/go.git
71 lines
1.6 KiB
Go
71 lines
1.6 KiB
Go
// Copyright 2020 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package regtest
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import (
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"log"
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"testing"
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)
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// This test passes (TestHoverOnError in definition_test.go) without
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// the //line directive
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func TestHoverFailure(t *testing.T) {
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const mod = `
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-- go.mod --
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module mod.com
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-- a.y --
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DWIM(main)
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-- main.go --
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//line a.y:1
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package main
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func main() {
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var err error
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err.Error()
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}`
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withOptions(SkipLogs()).run(t, mod, func(t *testing.T, env *Env) {
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env.OpenFile("main.go")
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content, _ := env.Hover("main.go", env.RegexpSearch("main.go", "Error"))
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// without the //line comment content would be non-nil
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if content != nil {
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t.Fatalf("expected nil hover content for Error")
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}
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})
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}
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// badPackageDup contains a duplicate definition of the 'a' const.
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// this is from diagnostics_test.go,
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const badPackageDup = `
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-- go.mod --
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module mod.com
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-- a.go --
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package consts
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const a = 1
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-- b.go --
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package consts
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//line gen.go:5
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const a = 2
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`
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func TestFailingDiagnosticClearingOnEdit(t *testing.T) {
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runner.Run(t, badPackageDup, func(t *testing.T, env *Env) {
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log.SetFlags(log.Lshortfile)
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env.OpenFile("b.go")
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env.Await(env.AnyDiagnosticAtCurrentVersion("a.go"))
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// no diagnostics for either b.go or 'gen.go', but there should be
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env.Await(NoDiagnostics("b.go"))
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// Fix the error by editing the const name in b.go to `b`.
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env.RegexpReplace("b.go", "(a) = 2", "b")
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env.Await(
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EmptyDiagnostics("a.go"),
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// expected, as there have never been any diagnostics for b.go
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NoDiagnostics("b.go"),
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)
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})
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}
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