mirror of
https://github.com/golang/go
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134513de88
This change makes these tests a little more resilient by making sure that the initial workspace load is completed before we run them. Change-Id: I24735da31cc045cb78dfb280e88136b5835351a6 Reviewed-on: https://go-review.googlesource.com/c/tools/+/241276 Run-TryBot: Rebecca Stambler <rstambler@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Heschi Kreinick <heschi@google.com>
427 lines
8.5 KiB
Go
427 lines
8.5 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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"testing"
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"golang.org/x/tools/internal/lsp"
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"golang.org/x/tools/internal/lsp/protocol"
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)
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func TestEditFile(t *testing.T) {
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const pkg = `
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-- go.mod --
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module mod.com
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go 1.14
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-- a/a.go --
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package a
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func _() {
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var x int
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}
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`
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// Edit the file when it's *not open* in the workspace, and check that
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// diagnostics are updated.
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t.Run("unopened", func(t *testing.T) {
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runner.Run(t, pkg, func(t *testing.T, env *Env) {
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env.Await(
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env.DiagnosticAtRegexp("a/a.go", "x"),
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)
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env.WriteWorkspaceFile("a/a.go", `package a; func _() {};`)
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env.Await(
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EmptyDiagnostics("a/a.go"),
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)
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})
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})
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// Edit the file when it *is open* in the workspace, and check that
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// diagnostics are *not* updated.
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t.Run("opened", func(t *testing.T) {
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runner.Run(t, pkg, func(t *testing.T, env *Env) {
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env.OpenFile("a/a.go")
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env.Await(CompletedWork(lsp.DiagnosticWorkTitle(lsp.FromDidOpen), 1))
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env.WriteWorkspaceFile("a/a.go", `package a; func _() {};`)
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env.Await(
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env.DiagnosticAtRegexp("a/a.go", "x"),
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)
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})
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})
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}
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// Edit a dependency on disk and expect a new diagnostic.
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func TestEditDependency(t *testing.T) {
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const pkg = `
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-- go.mod --
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module mod.com
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go 1.14
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-- b/b.go --
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package b
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func B() int { return 0 }
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-- a/a.go --
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package a
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import (
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"mod.com/b"
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)
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func _() {
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_ = b.B()
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}
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`
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runner.Run(t, pkg, func(t *testing.T, env *Env) {
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env.OpenFile("a/a.go")
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env.Await(CompletedWork(lsp.DiagnosticWorkTitle(lsp.FromDidOpen), 1))
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env.WriteWorkspaceFile("b/b.go", `package b; func B() {};`)
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env.Await(
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env.DiagnosticAtRegexp("a/a.go", "b.B"),
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)
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})
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}
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// Edit both the current file and one of its dependencies on disk and
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// expect diagnostic changes.
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func TestEditFileAndDependency(t *testing.T) {
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const pkg = `
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-- go.mod --
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module mod.com
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go 1.14
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-- b/b.go --
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package b
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func B() int { return 0 }
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-- a/a.go --
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package a
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import (
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"mod.com/b"
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)
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func _() {
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var x int
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_ = b.B()
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}
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`
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runner.Run(t, pkg, func(t *testing.T, env *Env) {
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env.Await(
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env.DiagnosticAtRegexp("a/a.go", "x"),
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)
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env.WriteWorkspaceFiles(map[string]string{
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"b/b.go": `package b; func B() {};`,
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"a/a.go": `package a
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import "mod.com/b"
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func _() {
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b.B()
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}`})
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env.Await(
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EmptyDiagnostics("a/a.go"),
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NoDiagnostics("b/b.go"),
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)
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})
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}
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// Delete a dependency and expect a new diagnostic.
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func TestDeleteDependency(t *testing.T) {
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const pkg = `
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-- go.mod --
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module mod.com
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go 1.14
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-- b/b.go --
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package b
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func B() int { return 0 }
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-- a/a.go --
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package a
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import (
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"mod.com/b"
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)
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func _() {
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_ = b.B()
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}
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`
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runner.Run(t, pkg, func(t *testing.T, env *Env) {
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env.OpenFile("a/a.go")
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env.Await(CompletedWork(lsp.DiagnosticWorkTitle(lsp.FromDidOpen), 1))
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env.RemoveWorkspaceFile("b/b.go")
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env.Await(
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env.DiagnosticAtRegexp("a/a.go", "\"mod.com/b\""),
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)
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})
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}
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// Create a dependency on disk and expect the diagnostic to go away.
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func TestCreateDependency(t *testing.T) {
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const missing = `
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-- go.mod --
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module mod.com
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go 1.14
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-- b/b.go --
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package b
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func B() int { return 0 }
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-- a/a.go --
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package a
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import (
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"mod.com/c"
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)
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func _() {
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c.C()
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}
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`
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runner.Run(t, missing, func(t *testing.T, env *Env) {
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t.Skipf("the initial workspace load fails and never retries")
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env.Await(
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env.DiagnosticAtRegexp("a/a.go", "\"mod.com/c\""),
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)
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env.WriteWorkspaceFile("c/c.go", `package c; func C() {};`)
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env.Await(
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EmptyDiagnostics("c/c.go"),
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)
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})
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}
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// Create a new dependency and add it to the file on disk.
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// This is similar to what might happen if you switch branches.
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func TestCreateAndAddDependency(t *testing.T) {
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const original = `
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-- go.mod --
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module mod.com
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go 1.14
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-- a/a.go --
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package a
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func _() {}
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`
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runner.Run(t, original, func(t *testing.T, env *Env) {
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env.WriteWorkspaceFile("c/c.go", `package c; func C() {};`)
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env.WriteWorkspaceFile("a/a.go", `package a; import "mod.com/c"; func _() { c.C() }`)
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env.Await(
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NoDiagnostics("a/a.go"),
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)
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})
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}
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// Create a new file that defines a new symbol, in the same package.
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func TestCreateFile(t *testing.T) {
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const pkg = `
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-- go.mod --
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module mod.com
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go 1.14
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-- a/a.go --
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package a
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func _() {
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hello()
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}
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`
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runner.Run(t, pkg, func(t *testing.T, env *Env) {
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env.Await(
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env.DiagnosticAtRegexp("a/a.go", "hello"),
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)
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env.WriteWorkspaceFile("a/a2.go", `package a; func hello() {};`)
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env.Await(
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EmptyDiagnostics("a/a.go"),
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)
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})
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}
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// Add a new method to an interface and implement it.
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// Inspired by the structure of internal/lsp/source and internal/lsp/cache.
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func TestCreateImplementation(t *testing.T) {
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const pkg = `
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-- go.mod --
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module mod.com
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go 1.14
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-- b/b.go --
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package b
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type B interface{
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Hello() string
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}
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func SayHello(bee B) {
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println(bee.Hello())
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}
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-- a/a.go --
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package a
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import "mod.com/b"
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type X struct {}
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func (_ X) Hello() string {
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return ""
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}
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func _() {
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x := X{}
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b.SayHello(x)
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}
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`
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const newMethod = `package b
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type B interface{
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Hello() string
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Bye() string
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}
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func SayHello(bee B) {
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println(bee.Hello())
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}`
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const implementation = `package a
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import "mod.com/b"
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type X struct {}
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func (_ X) Hello() string {
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return ""
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}
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func (_ X) Bye() string {
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return ""
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}
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func _() {
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x := X{}
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b.SayHello(x)
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}`
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// Add the new method before the implementation. Expect diagnostics.
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t.Run("method before implementation", func(t *testing.T) {
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runner.Run(t, pkg, func(t *testing.T, env *Env) {
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env.Await(
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CompletedWork(lsp.DiagnosticWorkTitle(lsp.FromInitialWorkspaceLoad), 1),
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)
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env.WriteWorkspaceFile("b/b.go", newMethod)
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env.Await(
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OnceMet(
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CompletedWork(lsp.DiagnosticWorkTitle(lsp.FromDidChangeWatchedFiles), 1),
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DiagnosticAt("a/a.go", 12, 12),
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),
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)
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env.WriteWorkspaceFile("a/a.go", implementation)
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env.Await(
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EmptyDiagnostics("a/a.go"),
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)
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})
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})
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// Add the new implementation before the new method. Expect no diagnostics.
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t.Run("implementation before method", func(t *testing.T) {
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runner.Run(t, pkg, func(t *testing.T, env *Env) {
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env.Await(
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CompletedWork(lsp.DiagnosticWorkTitle(lsp.FromInitialWorkspaceLoad), 1),
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)
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env.WriteWorkspaceFile("a/a.go", implementation)
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env.Await(
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OnceMet(
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CompletedWork(lsp.DiagnosticWorkTitle(lsp.FromDidChangeWatchedFiles), 1),
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NoDiagnostics("a/a.go"),
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),
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)
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env.WriteWorkspaceFile("b/b.go", newMethod)
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env.Await(
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NoDiagnostics("a/a.go"),
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)
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})
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})
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// Add both simultaneously. Expect no diagnostics.
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t.Run("implementation and method simultaneously", func(t *testing.T) {
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runner.Run(t, pkg, func(t *testing.T, env *Env) {
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env.Await(
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CompletedWork(lsp.DiagnosticWorkTitle(lsp.FromInitialWorkspaceLoad), 1),
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)
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env.WriteWorkspaceFiles(map[string]string{
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"a/a.go": implementation,
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"b/b.go": newMethod,
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})
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env.Await(
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OnceMet(
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CompletedWork(lsp.DiagnosticWorkTitle(lsp.FromDidChangeWatchedFiles), 1),
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NoDiagnostics("a/a.go"),
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),
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NoDiagnostics("b/b.go"),
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)
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})
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})
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}
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// Tests golang/go#38498. Delete a file and then force a reload.
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// Assert that we no longer try to load the file.
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func TestDeleteFiles(t *testing.T) {
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const pkg = `
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-- go.mod --
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module mod.com
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go 1.14
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-- a/a.go --
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package a
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func _() {
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var _ int
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}
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-- a/a_unneeded.go --
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package a
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`
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t.Run("close then delete", func(t *testing.T) {
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runner.Run(t, pkg, func(t *testing.T, env *Env) {
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env.OpenFile("a/a.go")
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env.OpenFile("a/a_unneeded.go")
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env.Await(CompletedWork(lsp.DiagnosticWorkTitle(lsp.FromDidOpen), 2))
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// Close and delete the open file, mimicking what an editor would do.
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env.CloseBuffer("a/a_unneeded.go")
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env.RemoveWorkspaceFile("a/a_unneeded.go")
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env.RegexpReplace("a/a.go", "var _ int", "fmt.Println(\"\")")
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env.Await(
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env.DiagnosticAtRegexp("a/a.go", "fmt"),
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)
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env.SaveBuffer("a/a.go")
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env.Await(
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NoLogMatching(protocol.Info, "a_unneeded.go"),
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EmptyDiagnostics("a/a.go"),
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)
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})
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})
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t.Run("delete then close", func(t *testing.T) {
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runner.Run(t, pkg, func(t *testing.T, env *Env) {
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env.OpenFile("a/a.go")
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env.OpenFile("a/a_unneeded.go")
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env.Await(CompletedWork(lsp.DiagnosticWorkTitle(lsp.FromDidOpen), 2))
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// Delete and then close the file.
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env.CloseBuffer("a/a_unneeded.go")
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env.RemoveWorkspaceFile("a/a_unneeded.go")
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env.RegexpReplace("a/a.go", "var _ int", "fmt.Println(\"\")")
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env.Await(
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env.DiagnosticAtRegexp("a/a.go", "fmt"),
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)
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env.SaveBuffer("a/a.go")
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env.Await(
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NoLogMatching(protocol.Info, "a_unneeded.go"),
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EmptyDiagnostics("a/a.go"),
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)
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})
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})
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}
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