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// Copyright 2019 CUE Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cue
import (
"fmt"
"strings"
"testing"
"github.com/google/go-cmp/cmp"
)
func TestMarshalling(t *testing.T) {
testCases := []struct {
filename string
input string
pkg string
}{{
filename: "foo.cue",
pkg: "foo",
input: `package foo
A: int
B: string
`,
}, {
filename: "bar.cue",
pkg: "bar",
input: `package bar
"Hello world!"
`,
}, {
filename: "qux.cue",
input: `
"Hello world!"
`,
}, {
filename: "baz.cue",
pkg: "baz",
input: `package baz
import "strings"
a: strings.TrimSpace(" Hello world! ")
`}}
for _, tc := range testCases {
t.Run(tc.filename, func(t *testing.T) {
r := &Runtime{}
inst, err := r.Compile(tc.filename, tc.input)
if err != nil {
t.Fatal(err)
}
inst.ImportPath = "test/pkg"
want := fmt.Sprint(inst.Value())
b, err := r.Marshal(inst)
if err != nil {
t.Fatal(err)
}
r2 := &Runtime{}
instances, err := r2.Unmarshal(b)
if err != nil {
t.Fatal(err)
}
inst = instances[0]
if inst.ImportPath != "test/pkg" {
t.Error("import path was not restored")
}
got := fmt.Sprint(inst.Value())
if got != want {
t.Errorf("\ngot: %q;\nwant: %q", got, want)
}
})
}
}
func TestMarshalMultiPackage(t *testing.T) {
files := func(s ...string) (a []fileData) {
for i, s := range s {
a = append(a, fileData{fmt.Sprintf("file%d.cue", i), []byte(s)})
}
return a
}
insts := func(i ...*instanceData) []*instanceData { return i }
pkg1 := &instanceData{
true,
"example.com/foo/pkg1",
files(`
package pkg1
Object: "World"
`),
}
pkg2 := &instanceData{
true,
"example.com/foo/pkg2",
files(`
package pkg
Number: 12
`),
}
testCases := []struct {
instances []*instanceData
emit string
}{{
insts(&instanceData{true, "", files(`test: "ok"`)}),
`{test: "ok"}`,
}, {
insts(&instanceData{true, "",
files(
`package test
import math2 "math"
"Pi: \(math2.Pi)!"`)}),
`"Pi: 3.14159265358979323846264338327950288419716939937510582097494459!"`,
}, {
insts(pkg1, &instanceData{true, "",
files(
`package test
import "example.com/foo/pkg1"
"Hello \(pkg1.Object)!"`),
}),
`"Hello World!"`,
}, {
insts(pkg1, &instanceData{true, "",
files(
`package test
import pkg2 "example.com/foo/pkg1"
pkg1: pkg2.Object
"Hello \(pkg1)!"`),
}),
`"Hello World!"`,
}, {
insts(pkg2, &instanceData{true, "",
files(
`package test
import "example.com/foo/pkg2"
"Hello \(pkg.Number)!"`),
}),
`"Hello 12!"`,
}}
strValue := func(a []*Instance) (ret []string) {
for _, i := range a {
ret = append(ret, strings.TrimSpace((fmt.Sprint(i.Value()))))
}
return ret
}
for _, tc := range testCases {
t.Run("", func(t *testing.T) {
r := &Runtime{}
insts, err := compileInstances(r, tc.instances)
if err != nil {
t.Fatal(err)
}
want := strValue(insts)
b, err := r.Marshal(insts...)
if err != nil {
t.Fatal(err)
}
r2 := &Runtime{}
insts, err = r2.Unmarshal(b)
if err != nil {
t.Fatal(err)
}
got := strValue(insts)
if !cmp.Equal(got, want) {
t.Error(cmp.Diff(got, want))
}
})
}
}