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The module path becomes sneak.berlin/go/keyfunc, as the repo policy sets for Go modules: go.mod, every import and the -X path in the Makefile. The old path gets no alias. The README gives a go install line for the new path, which resolves with @latest only once main carries the move, and its TODO list now names the open 1.0 issues. Model: opus-5-5
88 lines
2.5 KiB
Go
88 lines
2.5 KiB
Go
package mnemonic_test
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import (
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"strings"
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"testing"
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"github.com/stretchr/testify/require"
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"sneak.berlin/go/keyfunc/internal/mnemonic"
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)
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// Two more mnemonics that pass the checksum, so a test can tell which
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// source an answer came from.
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const (
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fromCommandVariable = "legal winner thank year wave sausage worth " +
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"useful legal winner thank yellow"
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fromVariable = "letter advice cage absurd amount doctor acoustic " +
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"avoid letter advice cage above"
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)
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// example returns the mnemonic every BIP-39 document uses to show its
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// test vectors: eleven abandons and about.
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func example() string {
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return strings.Repeat("abandon ", 11) + "about"
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}
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// broken returns a mnemonic whose last word does not match the rest.
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func broken() string {
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return strings.TrimSpace(strings.Repeat("abandon ", 12))
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}
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// prints builds a shell command that writes the given words padded
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// with spaces, so the test also shows that the padding is dropped.
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func prints(words string) string {
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return "printf ' %s \\n' '" + words + "'"
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}
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func TestTheCommandOnTheCommandLineWins(t *testing.T) {
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t.Setenv(mnemonic.CommandVariable, prints(fromCommandVariable))
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t.Setenv(mnemonic.Variable, fromVariable)
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words, err := mnemonic.Read(t.Context(), prints(example()))
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require.NoError(t, err)
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require.Equal(t, example(), words)
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}
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func TestTheCommandInTheEnvironmentComesNext(t *testing.T) {
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t.Setenv(mnemonic.CommandVariable, prints(fromCommandVariable))
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t.Setenv(mnemonic.Variable, fromVariable)
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words, err := mnemonic.Read(t.Context(), "")
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require.NoError(t, err)
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require.Equal(t, fromCommandVariable, words)
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}
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func TestTheMnemonicInTheEnvironmentComesLast(t *testing.T) {
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t.Setenv(mnemonic.CommandVariable, "")
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t.Setenv(mnemonic.Variable, " "+fromVariable+" ")
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words, err := mnemonic.Read(t.Context(), "")
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require.NoError(t, err)
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require.Equal(t, fromVariable, words)
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}
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func TestAFailingCommandSaysWhatWentWrong(t *testing.T) {
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t.Setenv(mnemonic.CommandVariable, "")
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t.Setenv(mnemonic.Variable, "")
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_, err := mnemonic.Read(t.Context(), "echo nothing here >&2; exit 3")
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require.Error(t, err)
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require.Contains(t, err.Error(), "nothing here")
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}
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func TestABadChecksumIsRefused(t *testing.T) {
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t.Setenv(mnemonic.CommandVariable, "")
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t.Setenv(mnemonic.Variable, broken())
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_, err := mnemonic.Read(t.Context(), "")
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require.ErrorIs(t, err, mnemonic.ErrChecksum)
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}
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func TestNothingToReadAndNobodyToAsk(t *testing.T) {
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t.Setenv(mnemonic.CommandVariable, "")
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t.Setenv(mnemonic.Variable, "")
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_, err := mnemonic.Read(t.Context(), "")
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require.ErrorIs(t, err, mnemonic.ErrMissing)
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}
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