81 lines
1.8 KiB
Go
81 lines
1.8 KiB
Go
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package driver
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import (
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"encoding/json"
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"errors"
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"fmt"
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"testing"
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)
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func TestErrorFormat(t *testing.T) {
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drvName := "foo"
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errMsg := "unexpected error"
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e := Error{
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DriverName: drvName,
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Detail: errors.New(errMsg),
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}
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exp := fmt.Sprintf("%s: %s", drvName, errMsg)
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if e.Error() != exp {
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t.Errorf("expected: %s, got: %s", exp, e.Error())
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}
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b, err := json.Marshal(&e)
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if err != nil {
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t.Fatal(err)
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}
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expJson := `{"driver":"foo","detail":"unexpected error"}`
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if gotJson := string(b); gotJson != expJson {
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t.Fatalf("expected JSON: %s,\n got: %s", expJson, gotJson)
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}
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}
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func TestErrors(t *testing.T) {
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drvName := "foo"
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testCases := []struct {
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name string
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errs Errors
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exp string
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expJson string
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}{
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{
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name: "no details",
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errs: Errors{DriverName: drvName},
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exp: fmt.Sprintf("%s: <nil>", drvName),
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expJson: `{"driver":"foo","details":[]}`,
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},
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{
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name: "single detail",
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errs: Errors{DriverName: drvName, Errs: []error{errors.New("err msg")}},
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exp: fmt.Sprintf("%s: err msg", drvName),
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expJson: `{"driver":"foo","details":["err msg"]}`,
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},
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{
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name: "multiple details",
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errs: Errors{DriverName: drvName, Errs: []error{errors.New("err msg1"), errors.New("err msg2")}},
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exp: fmt.Sprintf("%s: errors:\nerr msg1\nerr msg2\n", drvName),
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expJson: `{"driver":"foo","details":["err msg1","err msg2"]}`,
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},
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}
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for _, tc := range testCases {
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tc := tc
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t.Run(tc.name, func(t *testing.T) {
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t.Parallel()
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if got := tc.errs.Error(); got != tc.exp {
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t.Errorf("got error: %s, expected: %s", got, tc.exp)
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}
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b, err := json.Marshal(&tc.errs)
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if err != nil {
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t.Fatal(err)
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}
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if gotJson := string(b); gotJson != tc.expJson {
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t.Errorf("expected JSON: %s,\n got: %s", tc.expJson, gotJson)
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}
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})
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}
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}
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