| package utils |
| |
| import ( |
| "os" |
| "testing" |
| ) |
| |
| func TestReplaceAndAppendEnvVars(t *testing.T) { |
| var ( |
| d = []string{"HOME=/"} |
| o = []string{"HOME=/root", "TERM=xterm"} |
| ) |
| |
| env := ReplaceOrAppendEnvValues(d, o) |
| if len(env) != 2 { |
| t.Fatalf("expected len of 2 got %d", len(env)) |
| } |
| if env[0] != "HOME=/root" { |
| t.Fatalf("expected HOME=/root got '%s'", env[0]) |
| } |
| if env[1] != "TERM=xterm" { |
| t.Fatalf("expected TERM=xterm got '%s'", env[1]) |
| } |
| } |
| |
| // Reading a symlink to a directory must return the directory |
| func TestReadSymlinkedDirectoryExistingDirectory(t *testing.T) { |
| var err error |
| if err = os.Mkdir("/tmp/testReadSymlinkToExistingDirectory", 0777); err != nil { |
| t.Errorf("failed to create directory: %s", err) |
| } |
| |
| if err = os.Symlink("/tmp/testReadSymlinkToExistingDirectory", "/tmp/dirLinkTest"); err != nil { |
| t.Errorf("failed to create symlink: %s", err) |
| } |
| |
| var path string |
| if path, err = ReadSymlinkedDirectory("/tmp/dirLinkTest"); err != nil { |
| t.Fatalf("failed to read symlink to directory: %s", err) |
| } |
| |
| if path != "/tmp/testReadSymlinkToExistingDirectory" { |
| t.Fatalf("symlink returned unexpected directory: %s", path) |
| } |
| |
| if err = os.Remove("/tmp/testReadSymlinkToExistingDirectory"); err != nil { |
| t.Errorf("failed to remove temporary directory: %s", err) |
| } |
| |
| if err = os.Remove("/tmp/dirLinkTest"); err != nil { |
| t.Errorf("failed to remove symlink: %s", err) |
| } |
| } |
| |
| // Reading a non-existing symlink must fail |
| func TestReadSymlinkedDirectoryNonExistingSymlink(t *testing.T) { |
| var path string |
| var err error |
| if path, err = ReadSymlinkedDirectory("/tmp/test/foo/Non/ExistingPath"); err == nil { |
| t.Fatalf("error expected for non-existing symlink") |
| } |
| |
| if path != "" { |
| t.Fatalf("expected empty path, but '%s' was returned", path) |
| } |
| } |
| |
| // Reading a symlink to a file must fail |
| func TestReadSymlinkedDirectoryToFile(t *testing.T) { |
| var err error |
| var file *os.File |
| |
| if file, err = os.Create("/tmp/testReadSymlinkToFile"); err != nil { |
| t.Fatalf("failed to create file: %s", err) |
| } |
| |
| file.Close() |
| |
| if err = os.Symlink("/tmp/testReadSymlinkToFile", "/tmp/fileLinkTest"); err != nil { |
| t.Errorf("failed to create symlink: %s", err) |
| } |
| |
| var path string |
| if path, err = ReadSymlinkedDirectory("/tmp/fileLinkTest"); err == nil { |
| t.Fatalf("ReadSymlinkedDirectory on a symlink to a file should've failed") |
| } |
| |
| if path != "" { |
| t.Fatalf("path should've been empty: %s", path) |
| } |
| |
| if err = os.Remove("/tmp/testReadSymlinkToFile"); err != nil { |
| t.Errorf("failed to remove file: %s", err) |
| } |
| |
| if err = os.Remove("/tmp/fileLinkTest"); err != nil { |
| t.Errorf("failed to remove symlink: %s", err) |
| } |
| } |