| // Copyright 2017 Google Inc. All rights reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package ctags |
| |
| import ( |
| "bufio" |
| "os/exec" |
| "reflect" |
| "strings" |
| "testing" |
| |
| "github.com/google/go-cmp/cmp" |
| ) |
| |
| func TestJSON(t *testing.T) { |
| if _, err := exec.LookPath("universal-ctags"); err != nil { |
| t.Skip(err) |
| } |
| |
| p, err := newProcess("universal-ctags") |
| if err != nil { |
| t.Fatal("newProcess", err) |
| } |
| |
| defer p.Close() |
| |
| java := ` |
| package io.zoekt; |
| import java.util.concurrent.Future; |
| class Back implements Future extends Frob { |
| public static int BLA = 1; |
| public int member; |
| public Back() { |
| member = 2; |
| } |
| public int method() { |
| member++; |
| } |
| } |
| ` |
| name := "io/zoekt/Back.java" |
| got, err := p.Parse(name, []byte(java)) |
| if err != nil { |
| t.Errorf("Process: %v", err) |
| } |
| |
| want := []*Entry{ |
| { |
| Sym: "io.zoekt", |
| Kind: "package", |
| Language: "Java", |
| Path: "io/zoekt/Back.java", |
| Line: 2, |
| }, |
| { |
| Sym: "Back", |
| Path: "io/zoekt/Back.java", |
| Line: 4, |
| Language: "Java", |
| Kind: "class", |
| }, |
| |
| { |
| Sym: "BLA", |
| Path: "io/zoekt/Back.java", |
| Line: 5, |
| Kind: "field", |
| Language: "Java", |
| }, |
| { |
| Sym: "member", |
| Path: "io/zoekt/Back.java", |
| Line: 6, |
| Language: "Java", |
| Kind: "field", |
| }, |
| { |
| Sym: "Back", |
| Path: "io/zoekt/Back.java", |
| Language: "Java", |
| Line: 7, |
| Kind: "method", |
| }, |
| { |
| Sym: "method", |
| Language: "Java", |
| Path: "io/zoekt/Back.java", |
| Line: 10, |
| Kind: "method", |
| }, |
| } |
| |
| for i := range want { |
| if !reflect.DeepEqual(got[i], want[i]) { |
| t.Fatalf("got %#v, want %#v", got[i], want[i]) |
| } |
| } |
| } |
| |
| func TestScanner(t *testing.T) { |
| size := 20 |
| |
| input := strings.Join([]string{ |
| "aaaaaaaaa", |
| strings.Repeat("B", 3*size+3), |
| strings.Repeat("C", size) + strings.Repeat("D", size+1), |
| "", |
| strings.Repeat("e", size-1), |
| "f\r", |
| "gg", |
| }, "\n") |
| want := []string{ |
| "aaaaaaaaa", |
| strings.Repeat("e", size-1), |
| "f", |
| "gg", |
| } |
| |
| var got []string |
| r := &scanner{r: bufio.NewReaderSize(strings.NewReader(input), size)} |
| for r.Scan() { |
| got = append(got, string(r.Bytes())) |
| } |
| if err := r.Err(); err != nil { |
| t.Fatal(err) |
| } |
| |
| if !cmp.Equal(got, want) { |
| t.Errorf("mismatch (-want +got):\n%s", cmp.Diff(want, got)) |
| } |
| } |