Files
Cameron Moore 62acca2b68 tomltestgen: add toml-test unit test generation command (#610)
Tests are hidden behind a "testsuite" build tag for now since many tests
are failing.  Use `go test -tags testsuite` to activate.

Use `go generate` to regenerate toml_testgen_test.go.

Co-authored-by: Thomas Pelletier <thomas@pelletier.codes>
2021-10-03 22:15:30 -04:00

75 lines
1.9 KiB
Go

package testsuite
import (
"fmt"
"math"
"time"
"github.com/pelletier/go-toml/v2"
)
// addTag adds JSON tags to a data structure as expected by toml-test.
func addTag(key string, tomlData interface{}) interface{} {
// Switch on the data type.
switch orig := tomlData.(type) {
default:
//return map[string]interface{}{}
panic(fmt.Sprintf("Unknown type: %T", tomlData))
// A table: we don't need to add any tags, just recurse for every table
// entry.
case map[string]interface{}:
typed := make(map[string]interface{}, len(orig))
for k, v := range orig {
typed[k] = addTag(k, v)
}
return typed
// An array: we don't need to add any tags, just recurse for every table
// entry.
case []map[string]interface{}:
typed := make([]map[string]interface{}, len(orig))
for i, v := range orig {
typed[i] = addTag("", v).(map[string]interface{})
}
return typed
case []interface{}:
typed := make([]interface{}, len(orig))
for i, v := range orig {
typed[i] = addTag("", v)
}
return typed
// Datetime: tag as datetime.
case toml.LocalTime:
return tag("time-local", orig.String())
case toml.LocalDate:
return tag("date-local", orig.String())
case toml.LocalDateTime:
return tag("datetime-local", orig.String())
case time.Time:
return tag("datetime", orig.Format("2006-01-02T15:04:05.999999999Z07:00"))
// Tag primitive values: bool, string, int, and float64.
case bool:
return tag("bool", fmt.Sprintf("%v", orig))
case string:
return tag("string", orig)
case int64:
return tag("integer", fmt.Sprintf("%d", orig))
case float64:
// Special case for nan since NaN == NaN is false.
if math.IsNaN(orig) {
return tag("float", "nan")
}
return tag("float", fmt.Sprintf("%v", orig))
}
}
func tag(typeName string, data interface{}) map[string]interface{} {
return map[string]interface{}{
"type": typeName,
"value": data,
}
}