path_test.go

     1  // Copyright 2017 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package objabi
     6  
     7  import (
     8  	"internal/testenv"
     9  	"os/exec"
    10  	"strings"
    11  	"testing"
    12  )
    13  
    14  var escapeTests = []struct {
    15  		Path    string
    16  		Escaped string
    17  	}{
    18  		{"foo/bar/v1", "foo/bar/v1"},
    19  		{"foo/bar/v.1", "foo/bar/v%2e1"},
    20  		{"f.o.o/b.a.r/v1", "f.o.o/b.a.r/v1"},
    21  		{"f.o.o/b.a.r/v.1", "f.o.o/b.a.r/v%2e1"},
    22  		{"f.o.o/b.a.r/v..1", "f.o.o/b.a.r/v%2e%2e1"},
    23  		{"f.o.o/b.a.r/v..1.", "f.o.o/b.a.r/v%2e%2e1%2e"},
    24  		{"f.o.o/b.a.r/v%1", "f.o.o/b.a.r/v%251"},
    25  		{"runtime", "runtime"},
    26  		{"sync/atomic", "sync/atomic"},
    27  		{"golang.org/x/tools/godoc", "golang.org/x/tools/godoc"},
    28  		{"foo.bar/baz.quux", "foo.bar/baz%2equux"},
    29  		{"", ""},
    30  		{"%foo%bar", "%25foo%25bar"},
    31  		{"\x01\x00\x7F☺", "%01%00%7f%e2%98%ba"},
    32  	}
    33  
    34  func TestPathToPrefix(t *testing.T) {
    35  	for _, tc := range escapeTests {
    36  		if got := PathToPrefix(tc.Path); got != tc.Escaped {
    37  			t.Errorf("expected PathToPrefix(%s) = %s, got %s", tc.Path, tc.Escaped, got)
    38  		}
    39  	}
    40  }
    41  
    42  func TestPrefixToPath(t *testing.T) {
    43  	for _, tc := range escapeTests {
    44  		got, err := PrefixToPath(tc.Escaped)
    45  		if err != nil {
    46  			t.Errorf("expected PrefixToPath(%s) err = nil, got %v", tc.Escaped, err)
    47  		}
    48  		if got != tc.Path {
    49  			t.Errorf("expected PrefixToPath(%s) = %s, got %s", tc.Escaped, tc.Path, got)
    50  		}
    51  	}
    52  }
    53  
    54  func TestPrefixToPathError(t *testing.T) {
    55  	tests := []string{
    56  		"foo%",
    57  		"foo%1",
    58  		"foo%%12",
    59  		"foo%1g",
    60  	}
    61  	for _, tc := range tests {
    62  		_, err := PrefixToPath(tc)
    63  		if err == nil {
    64  			t.Errorf("expected PrefixToPath(%s) err != nil, got nil", tc)
    65  		}
    66  	}
    67  }
    68  
    69  func TestRuntimePackageList(t *testing.T) {
    70  	// Test that all packages imported by the runtime are marked as runtime
    71  	// packages.
    72  	testenv.MustHaveGoBuild(t)
    73  	goCmd, err := testenv.GoTool()
    74  	if err != nil {
    75  		t.Fatal(err)
    76  	}
    77  	pkgList, err := exec.Command(goCmd, "list", "-deps", "runtime").Output()
    78  	if err != nil {
    79  		if err, ok := err.(*exec.ExitError); ok {
    80  			t.Log(string(err.Stderr))
    81  		}
    82  		t.Fatal(err)
    83  	}
    84  	for _, pkg := range strings.Split(strings.TrimRight(string(pkgList), "\n"), "\n") {
    85  		if pkg == "unsafe" {
    86  			continue
    87  		}
    88  		if !LookupPkgSpecial(pkg).Runtime {
    89  			t.Errorf("package %s is imported by runtime, but not marked Runtime", pkg)
    90  		}
    91  	}
    92  }
    93
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