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Copy pathread_test.go
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140 lines (117 loc) · 2.75 KB
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package pathorcontents
import (
"io"
"io/ioutil"
"os"
"strings"
"testing"
"github.com/mitchellh/go-homedir"
)
func TestRead_Path(t *testing.T) {
isPath := true
f, cleanup := testTempFile(t)
defer cleanup()
if _, err := io.WriteString(f, "foobar"); err != nil {
t.Fatalf("err: %s", err)
}
f.Close()
contents, wasPath, err := Read(f.Name())
if err != nil {
t.Fatalf("err: %s", err)
}
if wasPath != isPath {
t.Fatalf("expected wasPath: %t, got %t", isPath, wasPath)
}
if contents != "foobar" {
t.Fatalf("expected contents %s, got %s", "foobar", contents)
}
}
func TestRead_TildePath(t *testing.T) {
isPath := true
home, err := homedir.Dir()
if err != nil {
t.Fatalf("err: %s", err)
}
f, cleanup := testTempFile(t, home)
defer cleanup()
if _, err := io.WriteString(f, "foobar"); err != nil {
t.Fatalf("err: %s", err)
}
f.Close()
r := strings.NewReplacer(home, "~")
homePath := r.Replace(f.Name())
contents, wasPath, err := Read(homePath)
if err != nil {
t.Fatalf("err: %s", err)
}
if wasPath != isPath {
t.Fatalf("expected wasPath: %t, got %t", isPath, wasPath)
}
if contents != "foobar" {
t.Fatalf("expected contents %s, got %s", "foobar", contents)
}
}
func TestRead_PathNoPermission(t *testing.T) {
isPath := true
f, cleanup := testTempFile(t)
defer cleanup()
if _, err := io.WriteString(f, "foobar"); err != nil {
t.Fatalf("err: %s", err)
}
f.Close()
if err := os.Chmod(f.Name(), 0); err != nil {
t.Fatalf("err: %s", err)
}
contents, wasPath, err := Read(f.Name())
if err == nil {
t.Fatal("Expected error, got none!")
}
if wasPath != isPath {
t.Fatalf("expected wasPath: %t, got %t", isPath, wasPath)
}
if contents != "" {
t.Fatalf("expected contents %s, got %s", "", contents)
}
}
func TestRead_Contents(t *testing.T) {
isPath := false
input := "hello"
contents, wasPath, err := Read(input)
if err != nil {
t.Fatalf("err: %s", err)
}
if wasPath != isPath {
t.Fatalf("expected wasPath: %t, got %t", isPath, wasPath)
}
if contents != input {
t.Fatalf("expected contents %s, got %s", input, contents)
}
}
func TestRead_TildeContents(t *testing.T) {
isPath := false
input := "~/hello/notafile"
contents, wasPath, err := Read(input)
if err != nil {
t.Fatalf("err: %s", err)
}
if wasPath != isPath {
t.Fatalf("expected wasPath: %t, got %t", isPath, wasPath)
}
if contents != input {
t.Fatalf("expected contents %s, got %s", input, contents)
}
}
// Returns an open tempfile based at baseDir and a function to clean it up.
func testTempFile(t *testing.T, baseDir ...string) (*os.File, func()) {
base := ""
if len(baseDir) == 1 {
base = baseDir[0]
}
f, err := ioutil.TempFile(base, "tf")
if err != nil {
t.Fatalf("err: %s", err)
}
return f, func() {
os.Remove(f.Name())
}
}