Gecko [ 167.86.127.34 ]

Name	Size	Permission
testdata	[ DIR ]	drwxr-xr-x
build.go	6.37 KB	-rw-r--r--
read.go	5.65 KB	-rw-r--r--
read_test.go	3.81 KB	-rw-r--r--
scan.go	2.51 KB	-rw-r--r--
scan_test.go	2.25 KB	-rw-r--r--
tags.go	1.19 KB	-rw-r--r--

Code Editor : read_test.go

// Copyright 2012 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.

// Copied from Go distribution src/go/build/read.go.

package imports

import (
	"io"
	"strings"
	"testing"
)

const quote = "`"

type readTest struct {
	// Test input contains ℙ where readImports should stop.
	in  string
	err string
}

var readCommentsTests = []readTest{
	{
		`ℙpackage p`,
		"",
	},
	{
		`ℙpackage p; import "x"`,
		"",
	},
	{
		`ℙpackage p; import . "x"`,
		"",
	},
	{
		`// foo

/* bar */

/* quux */ // baz
		
		/*/ zot */

// asdf
		ℙHello, world`,
		"",
	},
}

func testRead(t *testing.T, tests []readTest, read func(io.Reader) ([]byte, error)) {
	for i, tt := range tests {
		var in, testOut string
		j := strings.Index(tt.in, "ℙ")
		if j < 0 {
			in = tt.in
			testOut = tt.in
		} else {
			in = tt.in[:j] + tt.in[j+len("ℙ"):]
			testOut = tt.in[:j]
		}
		r := strings.NewReader(in)
		buf, err := read(r)
		if err != nil {
			if tt.err == "" {
				t.Errorf("#%d: err=%q, expected success (%q)", i, err, string(buf))
				continue
			}
			if !strings.Contains(err.Error(), tt.err) {
				t.Errorf("#%d: err=%q, expected %q", i, err, tt.err)
				continue
			}
			continue
		}
		if err == nil && tt.err != "" {
			t.Errorf("#%d: success, expected %q", i, tt.err)
			continue
		}

out := string(buf)
		if out != testOut {
			t.Errorf("#%d: wrong output:\nhave %q\nwant %q\n", i, out, testOut)
		}
	}
}

func TestReadImports(t *testing.T) {
	testRead(t, readImportsTests, func(r io.Reader) ([]byte, error) { return ReadImports(r, true, nil) })
}

func TestReadComments(t *testing.T) {
	testRead(t, readCommentsTests, ReadComments)
}

func TestReadFailures(t *testing.T) {
	// Errors should be reported (true arg to readImports).
	testRead(t, readFailuresTests, func(r io.Reader) ([]byte, error) { return ReadImports(r, true, nil) })
}

func TestReadFailuresIgnored(t *testing.T) {
	// Syntax errors should not be reported (false arg to readImports).
	// Instead, entire file should be the output and no error.
	// Convert tests not to return syntax errors.
	tests := make([]readTest, len(readFailuresTests))
	copy(tests, readFailuresTests)
	for i := range tests {
		tt := &tests[i]
		if !strings.Contains(tt.err, "NUL") {
			tt.err = ""
		}
	}
	testRead(t, tests, func(r io.Reader) ([]byte, error) { return ReadImports(r, false, nil) })
}

${this.title}

Code Editor : read_test.go