complete/gocomplete/tests.go

57 lines
1.2 KiB
Go

package main
import (
"go/ast"
"go/parser"
"go/token"
"os"
"path/filepath"
"strings"
"github.com/posener/complete"
"github.com/posener/complete/match"
)
func predictTest(testType string) complete.Predicate {
return func(last string) []match.Matcher {
tests := testNames(testType)
options := make([]match.Matcher, len(tests))
for i := range tests {
options[i] = match.Prefix(tests[i])
}
return options
}
}
// get all test names in current directory
func testNames(testType string) (tests []string) {
filepath.Walk("./", func(path string, info os.FileInfo, err error) error {
// if not a test file, skip
if !strings.HasSuffix(path, "_test.go") {
return nil
}
// inspect test file and append all the test names
tests = append(tests, testsInFile(testType, path)...)
return nil
})
return
}
func testsInFile(testType, path string) (tests []string) {
fset := token.NewFileSet()
f, err := parser.ParseFile(fset, path, nil, 0)
if err != nil {
complete.Log("Failed parsing %s: %s", path, err)
return nil
}
for _, d := range f.Decls {
if f, ok := d.(*ast.FuncDecl); ok {
name := f.Name.String()
if strings.HasPrefix(name, testType) {
tests = append(tests, name)
}
}
}
return
}