clawbot
0501568203
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The test and format scripts regenerated mfer/mf.pb.go whenever mfer/mf.proto looked newer by mtime, which a fresh checkout often causes, so make check could rewrite a committed file and needed protoc. Nothing regenerates it any more except make generate (script/generate), which refuses to run unless protoc 33.4 and protoc-gen-go v1.36.11, the versions that wrote the committed file, are on PATH, and records the hash of mf.proto in mfer/mf.proto.sha256. A Go test compares that hash with mf.proto and fails, naming make generate, when they differ. The mtime rule, the unused protoc-gen-go v1.28.1 install rule, make clean's deletion of mf.pb.go and the Dockerfile's touch workarounds are removed. Model: opus-5-5
30 lines
754 B
Go
30 lines
754 B
Go
package mfer_test
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import (
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"crypto/sha256"
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"encoding/hex"
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"os"
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"strings"
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"testing"
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"github.com/stretchr/testify/require"
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)
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// mf.pb.go is generated from mf.proto and committed. `make generate`
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// records the hash of the mf.proto it generated from in mf.proto.sha256.
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func TestGeneratedCodeMatchesProto(t *testing.T) {
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t.Parallel()
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proto, err := os.ReadFile("mf.proto")
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require.NoError(t, err)
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recorded, err := os.ReadFile("mf.proto.sha256")
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require.NoError(t, err)
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recordedHash, _, _ := strings.Cut(string(recorded), " ")
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sum := sha256.Sum256(proto)
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require.Equal(t, recordedHash, hex.EncodeToString(sum[:]),
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"mfer/mf.proto has changed since mfer/mf.pb.go was generated "+
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"from it: run `make generate` and commit the result")
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}
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