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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 packagestest_test
import (
"go/token"
"testing"
"golang.org/x/tools/go/expect"
"golang.org/x/tools/go/packages/packagestest"
"golang.org/x/tools/internal/span"
)
func TestExpect(t *testing.T) {
exported := packagestest.Export(t, packagestest.GOPATH, []packagestest.Module{{
Name: "golang.org/fake",
Files: packagestest.MustCopyFileTree("testdata"),
}})
defer exported.Cleanup()
checkCount := 0
if err := exported.Expect(map[string]interface{}{
"check": func(src, target token.Position) {
checkCount++
},
"boolArg": func(n *expect.Note, yes, no bool) {
if !yes {
t.Errorf("Expected boolArg first param to be true")
}
if no {
t.Errorf("Expected boolArg second param to be false")
}
},
"intArg": func(n *expect.Note, i int64) {
if i != 42 {
t.Errorf("Expected intarg to be 42")
}
},
"stringArg": func(n *expect.Note, name expect.Identifier, value string) {
if string(name) != value {
t.Errorf("Got string arg %v expected %v", value, name)
}
},
"directNote": func(n *expect.Note) {},
"range": func(r span.Range) {
if r.Start == token.NoPos || r.Start == 0 {
t.Errorf("Range had no valid starting position")
}
if r.End == token.NoPos || r.End == 0 {
t.Errorf("Range had no valid ending position")
} else if r.End <= r.Start {
t.Errorf("Range ending was not greater than start")
}
},
"checkEOF": func(n *expect.Note, p token.Pos) {
if p <= n.Pos {
t.Errorf("EOF was before the checkEOF note")
}
},
}); err != nil {
t.Fatal(err)
}
// We expect to have walked the @check annotations in all .go files,
// including _test.go files (XTest or otherwise). But to have walked the
// non-_test.go files only once. Hence wantCheck = 3 (testdata/test.go) + 1
// (testdata/test_test.go) + 1 (testdata/x_test.go)
wantCheck := 7
if wantCheck != checkCount {
t.Fatalf("Expected @check count of %v; got %v", wantCheck, checkCount)
}
}
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