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generate plugin clients via template

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Signed-off-by: Brian Goff <cpuguy83@gmail.com>
This commit is contained in:
Brian Goff 2015-06-08 11:33:06 -04:00
parent 6c2626b90e
commit f666eef0d4
5 changed files with 553 additions and 0 deletions
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168
plugins/pluginrpc-gen/parser_test.go Normal file
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package main
import (
"fmt"
"path/filepath"
"runtime"
"strings"
"testing"
)
const testFixture = "fixtures/foo.go"
func TestParseEmptyInterface(t *testing.T) {
pkg, err := Parse(testFixture, "Fooer")
if err != nil {
t.Fatal(err)
}
assertName(t, "foo", pkg.Name)
assertNum(t, 0, len(pkg.Functions))
}
func TestParseNonInterfaceType(t *testing.T) {
_, err := Parse(testFixture, "wobble")
if _, ok := err.(ErrUnexpectedType); !ok {
t.Fatal("expected type error when parsing non-interface type")
}
}
func TestParseWithOneFunction(t *testing.T) {
pkg, err := Parse(testFixture, "Fooer2")
if err != nil {
t.Fatal(err)
}
assertName(t, "foo", pkg.Name)
assertNum(t, 1, len(pkg.Functions))
assertName(t, "Foo", pkg.Functions[0].Name)
assertNum(t, 0, len(pkg.Functions[0].Args))
assertNum(t, 0, len(pkg.Functions[0].Returns))
}
func TestParseWithMultipleFuncs(t *testing.T) {
pkg, err := Parse(testFixture, "Fooer3")
if err != nil {
t.Fatal(err)
}
assertName(t, "foo", pkg.Name)
assertNum(t, 6, len(pkg.Functions))
f := pkg.Functions[0]
assertName(t, "Foo", f.Name)
assertNum(t, 0, len(f.Args))
assertNum(t, 0, len(f.Returns))
f = pkg.Functions[1]
assertName(t, "Bar", f.Name)
assertNum(t, 1, len(f.Args))
assertNum(t, 0, len(f.Returns))
arg := f.Args[0]
assertName(t, "a", arg.Name)
assertName(t, "string", arg.ArgType)
f = pkg.Functions[2]
assertName(t, "Baz", f.Name)
assertNum(t, 1, len(f.Args))
assertNum(t, 1, len(f.Returns))
arg = f.Args[0]
assertName(t, "a", arg.Name)
assertName(t, "string", arg.ArgType)
arg = f.Returns[0]
assertName(t, "err", arg.Name)
assertName(t, "error", arg.ArgType)
f = pkg.Functions[3]
assertName(t, "Qux", f.Name)
assertNum(t, 2, len(f.Args))
assertNum(t, 2, len(f.Returns))
arg = f.Args[0]
assertName(t, "a", f.Args[0].Name)
assertName(t, "string", f.Args[0].ArgType)
arg = f.Args[1]
assertName(t, "b", arg.Name)
assertName(t, "string", arg.ArgType)
arg = f.Returns[0]
assertName(t, "val", arg.Name)
assertName(t, "string", arg.ArgType)
arg = f.Returns[1]
assertName(t, "err", arg.Name)
assertName(t, "error", arg.ArgType)
f = pkg.Functions[4]
assertName(t, "Wobble", f.Name)
assertNum(t, 0, len(f.Args))
assertNum(t, 1, len(f.Returns))
arg = f.Returns[0]
assertName(t, "w", arg.Name)
assertName(t, "*wobble", arg.ArgType)
f = pkg.Functions[5]
assertName(t, "Wiggle", f.Name)
assertNum(t, 0, len(f.Args))
assertNum(t, 1, len(f.Returns))
arg = f.Returns[0]
assertName(t, "w", arg.Name)
assertName(t, "wobble", arg.ArgType)
}
func TestParseWithUnamedReturn(t *testing.T) {
_, err := Parse(testFixture, "Fooer4")
if !strings.HasSuffix(err.Error(), ErrBadReturn.Error()) {
t.Fatalf("expected ErrBadReturn, got %v", err)
}
}
func TestEmbeddedInterface(t *testing.T) {
pkg, err := Parse(testFixture, "Fooer5")
if err != nil {
t.Fatal(err)
}
assertName(t, "foo", pkg.Name)
assertNum(t, 2, len(pkg.Functions))
f := pkg.Functions[0]
assertName(t, "Foo", f.Name)
assertNum(t, 0, len(f.Args))
assertNum(t, 0, len(f.Returns))
f = pkg.Functions[1]
assertName(t, "Boo", f.Name)
assertNum(t, 2, len(f.Args))
assertNum(t, 2, len(f.Returns))
arg := f.Args[0]
assertName(t, "a", arg.Name)
assertName(t, "string", arg.ArgType)
arg = f.Args[1]
assertName(t, "b", arg.Name)
assertName(t, "string", arg.ArgType)
arg = f.Returns[0]
assertName(t, "s", arg.Name)
assertName(t, "string", arg.ArgType)
arg = f.Returns[1]
assertName(t, "err", arg.Name)
assertName(t, "error", arg.ArgType)
}
func assertName(t *testing.T, expected, actual string) {
if expected != actual {
fatalOut(t, fmt.Sprintf("expected name to be `%s`, got: %s", expected, actual))
}
}
func assertNum(t *testing.T, expected, actual int) {
if expected != actual {
fatalOut(t, fmt.Sprintf("expected number to be %d, got: %d", expected, actual))
}
}
func fatalOut(t *testing.T, msg string) {
_, file, ln, _ := runtime.Caller(2)
t.Fatalf("%s:%d: %s", filepath.Base(file), ln, msg)
}