gojs: backfills errno tests and updates links (#1110)

Signed-off-by: Adrian Cole <adrian@tetrate.io>
2023-02-09 12:38:22 -05:00
parent addd312dda
commit f18bb221c4
17 changed files with 338 additions and 144 deletions
--- a/internal/gojs/errno_test.go
+++ b/internal/gojs/errno_test.go
@@ -0,0 +1,139 @@
+package gojs
+
+import (
+	"errors"
+	"fmt"
+	"io/fs"
+	"os"
+	"syscall"
+	"testing"
+
+	"github.com/tetratelabs/wazero/internal/testing/require"
+)
+
+func TestToErrno(t *testing.T) {
+	tests := []struct {
+		name     string
+		input    error
+		expected *Errno
+	}{
+		{
+			name:     "syscall.EBADF",
+			input:    syscall.EBADF,
+			expected: ErrnoBadf,
+		},
+		{
+			name:     "syscall.EEXIST",
+			input:    syscall.EEXIST,
+			expected: ErrnoExist,
+		},
+		{
+			name:     "syscall.EINVAL",
+			input:    syscall.EINVAL,
+			expected: ErrnoInval,
+		},
+		{
+			name:     "syscall.EIO",
+			input:    syscall.EIO,
+			expected: ErrnoIo,
+		},
+		{
+			name:     "syscall.EISDIR",
+			input:    syscall.EISDIR,
+			expected: ErrnoIsdir,
+		},
+		{
+			name:     "syscall.ELOOP",
+			input:    syscall.ELOOP,
+			expected: ErrnoLoop,
+		},
+		{
+			name:     "syscall.ENAMETOOLONG",
+			input:    syscall.ENAMETOOLONG,
+			expected: ErrnoNametoolong,
+		},
+		{
+			name:     "syscall.ENOENT",
+			input:    syscall.ENOENT,
+			expected: ErrnoNoent,
+		},
+		{
+			name:     "syscall.ENOSYS",
+			input:    syscall.ENOSYS,
+			expected: ErrnoNosys,
+		},
+		{
+			name:     "syscall.ENOTDIR",
+			input:    syscall.ENOTDIR,
+			expected: ErrnoNotdir,
+		},
+		{
+			name:     "syscall.ENOTEMPTY",
+			input:    syscall.ENOTEMPTY,
+			expected: ErrnoNotempty,
+		},
+		{
+			name:     "syscall.ENOTSUP",
+			input:    syscall.ENOTSUP,
+			expected: ErrnoNotsup,
+		},
+		{
+			name:     "syscall.EPERM",
+			input:    syscall.EPERM,
+			expected: ErrnoPerm,
+		},
+		{
+			name:     "syscall.Errno unexpected == ErrnoIo",
+			input:    syscall.Errno(0xfe),
+			expected: ErrnoIo,
+		},
+		{
+			name:     "PathError ErrInvalid",
+			input:    &os.PathError{Err: fs.ErrInvalid},
+			expected: ErrnoInval,
+		},
+		{
+			name:     "PathError ErrPermission",
+			input:    &os.PathError{Err: fs.ErrPermission},
+			expected: ErrnoPerm,
+		},
+		{
+			name:     "PathError ErrExist",
+			input:    &os.PathError{Err: fs.ErrExist},
+			expected: ErrnoExist,
+		},
+		{
+			name:     "PathError ErrNotExist",
+			input:    &os.PathError{Err: fs.ErrNotExist},
+			expected: ErrnoNoent,
+		},
+		{
+			name:     "PathError ErrClosed",
+			input:    &os.PathError{Err: fs.ErrClosed},
+			expected: ErrnoBadf,
+		},
+		{
+			name:     "PathError unknown == ErrnoIo",
+			input:    &os.PathError{Err: errors.New("ice cream")},
+			expected: ErrnoIo,
+		},
+		{
+			name:     "unknown == ErrnoIo",
+			input:    errors.New("ice cream"),
+			expected: ErrnoIo,
+		},
+		{
+			name:     "very wrapped unknown == ErrnoIo",
+			input:    fmt.Errorf("%w", fmt.Errorf("%w", fmt.Errorf("%w", errors.New("ice cream")))),
+			expected: ErrnoIo,
+		},
+	}
+
+	for _, tt := range tests {
+		tc := tt
+		t.Run(tc.name, func(t *testing.T) {
+			errno := ToErrno(tc.input)
+			require.Equal(t, tc.expected, errno)
+		})
+	}
+}