| // 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)) |
| } |
| }) |
| } |
| } |