mirror of
https://github.com/tendermint/tendermint.git
synced 2026-01-08 14:21:14 +00:00
99 lines
2.8 KiB
Go
99 lines
2.8 KiB
Go
package main_test
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import (
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"bytes"
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"context"
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"strings"
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"testing"
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"github.com/creachadair/tomledit"
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"github.com/google/go-cmp/cmp"
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confix "github.com/tendermint/tendermint/scripts/confix"
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)
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func mustParseConfig(t *testing.T, path string) *tomledit.Document {
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doc, err := confix.LoadConfig(path)
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if err != nil {
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t.Fatalf("Loading config: %v", err)
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}
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return doc
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}
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func TestGuessConfigVersion(t *testing.T) {
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tests := []struct {
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path, want string
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}{
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{"testdata/non-config.toml", ""},
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{"testdata/v31-config.toml", ""},
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{"testdata/v32-config.toml", "v0.32"},
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{"testdata/v33-config.toml", "v0.33"},
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{"testdata/v34-config.toml", "v0.34"},
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{"testdata/v35-config.toml", "v0.35"},
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{"testdata/v36-config.toml", "v0.36"},
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}
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for _, test := range tests {
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t.Run(test.path, func(t *testing.T) {
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got := confix.GuessConfigVersion(mustParseConfig(t, test.path))
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if got != test.want {
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t.Errorf("Wrong version: got %q, want %q", got, test.want)
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}
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})
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}
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}
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func TestApplyFixes(t *testing.T) {
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ctx := context.Background()
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t.Run("Unknown", func(t *testing.T) {
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err := confix.ApplyFixes(ctx, mustParseConfig(t, "testdata/v31-config.toml"))
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if err == nil || !strings.Contains(err.Error(), "cannot tell what Tendermint version") {
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t.Error("ApplyFixes succeeded, but should have failed for an unknown version")
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}
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})
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t.Run("TooOld", func(t *testing.T) {
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err := confix.ApplyFixes(ctx, mustParseConfig(t, "testdata/v33-config.toml"))
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if err == nil || !strings.Contains(err.Error(), "unable to update version v0.33 config") {
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t.Errorf("ApplyFixes: got %v, want version error", err)
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}
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})
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t.Run("OK", func(t *testing.T) {
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doc := mustParseConfig(t, "testdata/v34-config.toml")
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if err := confix.ApplyFixes(ctx, doc); err != nil {
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t.Fatalf("ApplyFixes: unexpected error: %v", err)
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}
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t.Run("Fixpoint", func(t *testing.T) {
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// Verify that reapplying fixes to the same config succeeds, and does not
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// make any additional changes.
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var before bytes.Buffer
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if err := tomledit.Format(&before, doc); err != nil {
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t.Fatalf("Formatting document: %v", err)
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}
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if err := confix.CheckValid(before.Bytes()); err != nil {
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t.Fatalf("Validating output: %v", err)
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}
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want := before.String()
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// Re-parse the output from the first round of transformations.
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doc2, err := tomledit.Parse(&before)
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if err != nil {
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t.Fatalf("Parsing fixed output: %v", err)
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}
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if err := confix.ApplyFixes(ctx, doc2); err != nil {
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t.Fatalf("ApplyFixes: unexpected error: %v", err)
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}
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var after bytes.Buffer
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if err := tomledit.Format(&after, doc2); err != nil {
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t.Fatalf("Formatting document: %v", err)
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}
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got := after.String()
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if diff := cmp.Diff(want, got); diff != "" {
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t.Errorf("Reapplied fixes changed something: (-want, +got)\n%s", diff)
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}
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})
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})
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}
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