func TestJqSimpleProgram(t *testing.T) {
state, err := jq.New()
if err != nil {
t.Errorf("Error initializing state_state: %v", err)
}
defer state.Close()
input, err := jq.JvFromJSONString("{\"a\": 123}")
if err != nil {
t.Error(err)
}
cIn, cOut, cErrs := state.Start(".a", jq.JvArray())
outputs, errs := feedJq(input, cIn, cOut, cErrs)
if len(errs) > 0 {
t.Errorf("Expected no errors, but got %#v", errs)
}
if l := len(outputs); l != 1 {
t.Errorf("Got %d outputs (%#v), expected %d", l, outputs, 1)
} else if val := outputs[0].ToGoVal(); val != 123 {
t.Errorf("Got %#v, expected %#v", val, 123)
}
}
func TestJqCompileError(t *testing.T) {
state, err := jq.New()
if err != nil {
t.Errorf("Error initializing jq_state: %v", err)
}
defer state.Close()
const program = "a b"
cIn, cOut, cErr := state.Start(program, jq.JvArray())
_, errors := feedJq(nil, cIn, cOut, cErr)
// JQ might (and currently does) report multiple errors. One of them will
// contain our input program. Check for that but don't be overly-specific
// about the string or order of errors
gotErrors := false
for _, err := range errors {
gotErrors = true
if strings.Contains(err.Error(), program) {
// t.Pass("Found the error we expected: %#v\n",
return
}
}
if !gotErrors {
t.Fatal("Errors were expected but none seen")
}
t.Fatal("No error containing the program source found")
}
// New creates a nwq JqRepl
//
// If stdin is not a tty then it will re-open the controlling tty ("/dev/tty"
// on unix) to be able to run in interactive mode
func New() (*JqRepl, error) {
repl := JqRepl{
promptTemplate: promptTemplate,
}
cfg, err := repl.readlineReplConfig()
if err != nil {
return nil, err
}
repl.reader, err = readline.NewEx(cfg)
if err != nil {
return nil, err
}
repl.libJq, err = jq.New()
if err != nil {
repl.reader.Close()
return nil, err
}
repl.results = jq.JvArray()
return &repl, nil
}
func TestJqRuntimeError(t *testing.T) {
state, err := jq.New()
if err != nil {
t.Errorf("Error initializing state_state: %v", err)
}
defer state.Close()
input, err := jq.JvFromJSONString(`{"a": 123}`)
if err != nil {
t.Error(err)
}
cIn, cOut, cErrs := state.Start(".[0]", jq.JvArray())
_, errors := feedJq(input, cIn, cOut, cErrs)
if l := len(errors); l != 1 {
t.Errorf("Got %d errors (%#v), expected %d", l, errors, 1)
}
}
func makeProgramArgs(history *jq.Jv) *jq.Jv {
// Create this structure:
// programArgs = [
// {"name": "out", "value": history },
// {"name": "_", "value": history[-1] },
// {"name": "__", "value": history[-2] },
// ]
arg := jq.JvObject().ObjectSet(jvStringName.Copy(), jvStringOut.Copy()).ObjectSet(jvStringValue.Copy(), history.Copy())
res := jq.JvArray().ArrayAppend(arg)
len := history.Copy().ArrayLength()
if len >= 1 {
arg = jq.JvObject().ObjectSet(jvStringName.Copy(), jvStringUnderscore.Copy()).ObjectSet(jvStringValue.Copy(), history.Copy().ArrayGet(len-1))
res = res.ArrayAppend(arg)
}
if len >= 2 {
arg = jq.JvObject().ObjectSet(jvStringName.Copy(), jvStringDunderscore.Copy()).ObjectSet(jvStringValue.Copy(), history.Copy().ArrayGet(len-2))
res = res.ArrayAppend(arg)
}
return res
}