func TestFilterDuplicates(t *testing.T) {
// parse input
fset := token.NewFileSet()
file, err := parser.ParseFile(fset, "", input, 0)
if err != nil {
t.Fatal(err)
}
// create package
files := map[string]*ast.File{"": file}
pkg, err := ast.NewPackage(fset, files, nil, nil)
if err != nil {
t.Fatal(err)
}
// filter
merged := ast.MergePackageFiles(pkg, ast.FilterFuncDuplicates)
// pretty-print
var buf bytes.Buffer
if err := format.Node(&buf, fset, merged); err != nil {
t.Fatal(err)
}
output := buf.String()
if output != golden {
t.Errorf("incorrect output:\n%s", output)
}
}
func TestExamples(t *testing.T) {
fs := token.NewFileSet()
file, err := parser.ParseFile(fs, "test.go", strings.NewReader(exampleTestFile), parser.ParseComments)
if err != nil {
t.Fatal(err)
}
for i, e := range doc.Examples(file) {
c := exampleTestCases[i]
if e.Name != c.Name {
t.Errorf("got Name == %q, want %q", e.Name, c.Name)
}
if w := c.Play; w != "" {
var g string // hah
if e.Play == nil {
g = "<nil>"
} else {
b := new(bytes.Buffer)
if err := format.Node(b, fs, e.Play); err != nil {
t.Fatal(err)
}
g = b.String()
}
if g != w {
t.Errorf("%s: got Play == %q, want %q", c.Name, g, w)
}
}
if g, w := e.Output, c.Output; g != w {
t.Errorf("%s: got Output == %q, want %q", c.Name, g, w)
}
}
}