65 lines
1.8 KiB
Go
65 lines
1.8 KiB
Go
// Copyright 2018 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 findcall_test
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import (
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"testing"
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"golang.org/x/tools/go/analysis/analysistest"
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"golang.org/x/tools/go/analysis/passes/findcall"
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)
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func init() {
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findcall.Analyzer.Flags.Set("name", "println")
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}
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// TestFromStringLiterals demonstrates how to test an analysis using
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// a table of string literals for each test case.
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//
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// Such tests are typically quite compact.
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func TestFromStringLiterals(t *testing.T) {
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for _, test := range [...]struct {
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desc string
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pkgpath string
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files map[string]string
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}{
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{
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desc: "SimpleTest",
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pkgpath: "main",
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files: map[string]string{"main/main.go": `package main
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func main() {
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println("hello") // want "call of println"
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print("goodbye") // not a call of println
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}`,
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},
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},
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} {
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t.Run(test.desc, func(t *testing.T) {
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dir, cleanup, err := analysistest.WriteFiles(test.files)
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if err != nil {
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t.Fatal(err)
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}
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defer cleanup()
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analysistest.Run(t, dir, findcall.Analyzer, test.pkgpath)
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})
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}
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}
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// TestFromFileSystem demonstrates how to test an analysis using input
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// files stored in the file system.
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//
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// These tests have the advantages that test data can be edited
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// directly, and that files named in error messages can be opened.
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// However, they tend to spread a small number of lines of text across a
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// rather deep directory hierarchy, and obscure similarities among
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// related tests, especially when tests involve multiple packages, or
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// multiple variants of a single scenario.
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func TestFromFileSystem(t *testing.T) {
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testdata := analysistest.TestData()
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analysistest.Run(t, testdata, findcall.Analyzer, "a") // loads testdata/src/a/a.go.
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}
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