terraform/vendor/github.com/jmespath/go-jmespath/compliance_test.go

124 lines
3.2 KiB
Go

package jmespath
import (
"encoding/json"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"testing"
"github.com/stretchr/testify/assert"
)
type TestSuite struct {
Given interface{}
TestCases []TestCase `json:"cases"`
Comment string
}
type TestCase struct {
Comment string
Expression string
Result interface{}
Error string
}
var whiteListed = []string{
"compliance/basic.json",
"compliance/current.json",
"compliance/escape.json",
"compliance/filters.json",
"compliance/functions.json",
"compliance/identifiers.json",
"compliance/indices.json",
"compliance/literal.json",
"compliance/multiselect.json",
"compliance/ormatch.json",
"compliance/pipe.json",
"compliance/slice.json",
"compliance/syntax.json",
"compliance/unicode.json",
"compliance/wildcard.json",
"compliance/boolean.json",
}
func allowed(path string) bool {
for _, el := range whiteListed {
if el == path {
return true
}
}
return false
}
func TestCompliance(t *testing.T) {
assert := assert.New(t)
var complianceFiles []string
err := filepath.Walk("compliance", func(path string, _ os.FileInfo, _ error) error {
//if strings.HasSuffix(path, ".json") {
if allowed(path) {
complianceFiles = append(complianceFiles, path)
}
return nil
})
if assert.Nil(err) {
for _, filename := range complianceFiles {
runComplianceTest(assert, filename)
}
}
}
func runComplianceTest(assert *assert.Assertions, filename string) {
var testSuites []TestSuite
data, err := ioutil.ReadFile(filename)
if assert.Nil(err) {
err := json.Unmarshal(data, &testSuites)
if assert.Nil(err) {
for _, testsuite := range testSuites {
runTestSuite(assert, testsuite, filename)
}
}
}
}
func runTestSuite(assert *assert.Assertions, testsuite TestSuite, filename string) {
for _, testcase := range testsuite.TestCases {
if testcase.Error != "" {
// This is a test case that verifies we error out properly.
runSyntaxTestCase(assert, testsuite.Given, testcase, filename)
} else {
runTestCase(assert, testsuite.Given, testcase, filename)
}
}
}
func runSyntaxTestCase(assert *assert.Assertions, given interface{}, testcase TestCase, filename string) {
// Anything with an .Error means that we expect that JMESPath should return
// an error when we try to evaluate the expression.
_, err := Search(testcase.Expression, given)
assert.NotNil(err, fmt.Sprintf("Expression: %s", testcase.Expression))
}
func runTestCase(assert *assert.Assertions, given interface{}, testcase TestCase, filename string) {
lexer := NewLexer()
var err error
_, err = lexer.tokenize(testcase.Expression)
if err != nil {
errMsg := fmt.Sprintf("(%s) Could not lex expression: %s -- %s", filename, testcase.Expression, err.Error())
assert.Fail(errMsg)
return
}
parser := NewParser()
_, err = parser.Parse(testcase.Expression)
if err != nil {
errMsg := fmt.Sprintf("(%s) Could not parse expression: %s -- %s", filename, testcase.Expression, err.Error())
assert.Fail(errMsg)
return
}
actual, err := Search(testcase.Expression, given)
if assert.Nil(err, fmt.Sprintf("Expression: %s", testcase.Expression)) {
assert.Equal(testcase.Result, actual, fmt.Sprintf("Expression: %s", testcase.Expression))
}
}