Ophestra
d3a8aed237
This is cleaner, and finally enables writing tests for the nix invoking functions.
38 lines
894 B
Go
38 lines
894 B
Go
package nixbuild_test
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import (
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"errors"
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"os"
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"os/exec"
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"slices"
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"syscall"
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"testing"
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"git.gensokyo.uk/yonah/nixbuild"
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)
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func TestNixWriteStdin(t *testing.T) {
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ctx := nixbuild.New(t.Context(), nil, os.Stdout, os.Stderr)
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t.Run("already set", func(t *testing.T) {
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cmd := exec.CommandContext(t.Context(), "/proc/nonexistent")
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cmd.Stdin = os.Stdin
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if _, err := ctx.WriteStdin(cmd, nil, nil); err == nil {
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t.Fatal("WriteStdinCommand unexpectedly succeeded")
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}
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})
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t.Run("f returns error", func(t *testing.T) {
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stubNixCommand(t)
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ctx := newStubContext(t.Context(), nil, os.Stdout, os.Stderr)
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cmd := ctx.Nix(t.Context(), "true")
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if _, err := ctx.WriteStdin(
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cmd,
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slices.Values(make([]string, 0)),
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func() error { return syscall.ENOSYS },
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); !errors.Is(err, syscall.ENOSYS) {
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t.Fatalf("WriteStdinCommand: error = %v, want %v", err, syscall.ENOSYS)
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}
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})
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}
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