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testutil_test.go
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158 lines (130 loc) · 3.52 KB
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package gowarc
import (
"io"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
type cacheTest struct {
name string
data io.Reader
wantCacheErr bool
}
func validateCacheTest(t *testing.T, block Block, expectedContent string, expectedDigest string, wantCacheErr bool) {
t.Helper()
err := block.Cache()
if wantCacheErr {
assert.Error(t, err)
} else {
assert.NoError(t, err)
}
assert.True(t, block.IsCached())
// Reading content twice should be ok
got, err := block.RawBytes()
require.NoError(t, err)
content, err := io.ReadAll(got)
require.NoError(t, err)
assert.Equal(t, expectedContent, string(content))
got, err = block.RawBytes()
require.NoError(t, err)
content, err = io.ReadAll(got)
require.NoError(t, err)
assert.Equal(t, expectedContent, string(content))
// BlockDigest should be ok
gotDigest := block.BlockDigest()
assert.Equal(t, expectedDigest, gotDigest)
}
type blockDigestTest struct {
name string
data io.Reader
}
func validateBlockDigestTest(t *testing.T, block Block, expectedDigest string) {
t.Helper()
got := block.BlockDigest()
assert.Equal(t, expectedDigest, got)
// Repeated call to BlockDigest should be ok
got = block.BlockDigest()
assert.Equal(t, expectedDigest, got)
if block.IsCached() {
// Call to RawBytes after call to BlockDigest should be ok
_, err := block.RawBytes()
require.NoError(t, err)
} else {
// Call to RawBytes after call to BlockDigest should fail
_, err := block.RawBytes()
require.Error(t, err)
}
}
func validatePayloadDigestTest(t *testing.T, block Block, expectedDigest string) {
t.Helper()
payloadBlock, ok := block.(PayloadBlock)
if !ok {
t.Fatalf("block is not a PayloadBlock")
}
got := payloadBlock.PayloadDigest()
assert.Equal(t, expectedDigest, got)
// Repeated call to PayloadDigest should be ok
got = payloadBlock.PayloadDigest()
assert.Equal(t, expectedDigest, got)
if payloadBlock.IsCached() {
// Call to RawBytes after call to PayloadDigest should be ok
_, err := payloadBlock.RawBytes()
require.NoError(t, err)
} else {
// Call to RawBytes after call to PayloadDigest should fail
_, err := payloadBlock.RawBytes()
require.Error(t, err)
}
}
type isCachedTest struct {
name string
data io.Reader
want bool
}
type rawBytesTest struct {
name string
data io.Reader
wantErr bool
}
func validateRawBytesTest(t *testing.T, tt rawBytesTest, block Block, expectedContent string, expectedDigest string) {
t.Helper()
got, err := block.RawBytes()
if tt.wantErr {
require.Error(t, err)
} else {
require.NoError(t, err)
}
content, err := io.ReadAll(got)
require.NoError(t, err)
assert.Equal(t, expectedContent, string(content))
if block.IsCached() {
// Repeated call to RawBytes should be ok
got, err := block.RawBytes()
require.NoError(t, err)
content, err := io.ReadAll(got)
require.NoError(t, err)
assert.Equal(t, expectedContent, string(content))
} else {
// Repeated call to RawBytes should fail
_, err := block.RawBytes()
require.Error(t, err)
}
// Call to BlockDigest after call to RawBytes should be ok
gotDigest := block.BlockDigest()
assert.Equal(t, expectedDigest, gotDigest)
}
// ReplaceErrReader returns an io.Reader that returns err instead of io.EOF.
func ReplaceErrReader(r io.Reader, err error) io.Reader {
return &replaceErrReader{r: r, err: err}
}
type replaceErrReader struct {
r io.Reader
err error
}
func (r *replaceErrReader) Read(p []byte) (int, error) {
i, e := r.r.Read(p)
if e == io.EOF {
e = r.err
}
return i, e
}