77 lines
1.3 KiB
Go
77 lines
1.3 KiB
Go
package statefile
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import (
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"bytes"
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"io/ioutil"
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"os"
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"path/filepath"
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"sort"
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"strings"
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"testing"
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"github.com/go-test/deep"
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)
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func TestRoundtrip(t *testing.T) {
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const dir = "testdata/roundtrip"
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entries, err := ioutil.ReadDir(dir)
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if err != nil {
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t.Fatal(err)
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}
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for _, info := range entries {
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const inSuffix = ".in.tfstate"
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const outSuffix = ".out.tfstate"
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if info.IsDir() {
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continue
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}
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inName := info.Name()
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if !strings.HasSuffix(inName, inSuffix) {
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continue
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}
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name := inName[:len(inName)-len(inSuffix)]
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outName := name + outSuffix
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t.Run(name, func(t *testing.T) {
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oSrcWant, err := ioutil.ReadFile(filepath.Join(dir, outName))
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if err != nil {
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t.Fatal(err)
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}
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oWant, diags := readStateV4(oSrcWant)
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if diags.HasErrors() {
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t.Fatal(diags.Err())
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}
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ir, err := os.Open(filepath.Join(dir, inName))
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if err != nil {
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t.Fatal(err)
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}
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defer ir.Close()
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f, err := Read(ir)
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if err != nil {
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t.Fatalf("unexpected error: %s", err)
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}
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var buf bytes.Buffer
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err = Write(f, &buf)
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if err != nil {
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t.Fatal(err)
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}
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oSrcWritten := buf.Bytes()
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oGot, diags := readStateV4(oSrcWritten)
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if diags.HasErrors() {
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t.Fatal(diags.Err())
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}
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problems := deep.Equal(oGot, oWant)
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sort.Strings(problems)
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for _, problem := range problems {
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t.Error(problem)
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}
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})
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}
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}
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