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|
package eval_test
import (
"testing"
"unicode/utf8"
"github.com/google/go-cmp/cmp"
"src.elv.sh/pkg/diag"
. "src.elv.sh/pkg/eval"
"src.elv.sh/pkg/parse"
)
var autofixTests = []struct {
Name string
Code string
WantAutofixes []string
}{
{
Name: "get variable from unimported builtin module",
Code: "echo $mod1:foo",
WantAutofixes: []string{"use mod1"},
},
{
Name: "set variable from unimported builtin module",
Code: "set mod1:foo = bar",
WantAutofixes: []string{"use mod1"},
},
{
Name: "tmp set variable from unimported builtin module",
Code: "tmp mod1:foo = bar",
WantAutofixes: []string{"use mod1"},
},
{
Name: "call command from unimported builtin module",
Code: "mod1:foo",
WantAutofixes: []string{"use mod1"},
},
{
Name: "no autofix for using variable from imported module",
Code: "use mod1; echo $mod1:foo",
WantAutofixes: nil,
},
{
Name: "no autofix for using variable from non-builtin module",
Code: "echo $mod-external:foo",
WantAutofixes: nil,
},
}
func TestAutofix(t *testing.T) {
ev := NewEvaler()
ev.AddModule("mod1", &Ns{})
for _, tc := range autofixTests {
t.Run(tc.Name, func(t *testing.T) {
_, autofixes, _ := ev.Check(parse.Source{Name: "[test]", Code: tc.Code}, nil)
if diff := cmp.Diff(tc.WantAutofixes, autofixes); diff != "" {
t.Errorf("autofixes (-want +got):\n%s", diff)
}
})
}
}
// TODO: Turn this into a fuzz test.
func TestPartialCompilationError(t *testing.T) {
for _, code := range transcriptCodes {
testPartialError(t, code, func(src parse.Source) []*CompilationError {
_, _, err := NewEvaler().Check(src, nil)
return UnpackCompilationErrors(err)
})
}
}
// TODO: Deduplicate this against a similar helper in pkg/parse/fuzz_test.go
func testPartialError[T diag.ErrorTag](t *testing.T, full string, fn func(src parse.Source) []*diag.Error[T]) {
if !utf8.ValidString(full) {
t.Skip("not valid UTF-8")
}
errs := fn(parse.Source{Name: "fuzz.elv", Code: full})
if len(errs) > 0 {
t.Skip("code itself has error")
}
// If code has no error, then every prefix of it (as long as it's valid
// UTF-8) should have either no errors or only partial errors.
for i := range full {
if i == 0 {
continue
}
prefix := full[:i]
errs := fn(parse.Source{Name: "fuzz.elv", Code: prefix})
for _, err := range errs {
if !err.Partial {
t.Errorf("\n%s\n===========\nnon-partial error: %v\nfull code:\n===========\n%s\n", prefix, err, full)
}
}
}
}
|
