// Copyright 2020 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

package build

import (
	"flag"
	"os"
	"path/filepath"
	"reflect"
	"testing"
)

func TestRepository(t *testing.T) {
	cfg := TestConfig()
	defer os.RemoveAll(filepath.Dir(cfg.TempDir))

	BuildTestPackage(cfg)

	// Read repository field in the manifest.
	manifestDir := filepath.Join(cfg.OutputDir, "package_manifest.json")
	packageManifest, err := LoadPackageManifest(manifestDir)
	if err != nil {
		t.Fatal(err)
	}

	if want := cfg.PkgRepository; packageManifest.Repository != cfg.PkgRepository {
		t.Errorf("got %q, want %q", packageManifest.Repository, want)
	}
}

func TestOrderedBlobInfo(t *testing.T) {
	cfg := TestConfig()
	defer os.RemoveAll(filepath.Dir(cfg.TempDir))

	BuildTestPackage(cfg)

	blobs, err := cfg.BlobInfo()
	if err != nil {
		t.Fatal(err)
	}

	// The meta far is always first, and all following content entries are
	// sorted by the path in the package.
	expectedPaths := []string{"meta/", "a", "b", "dir/c", "rand1", "rand2"}

	actualPaths := make([]string, 0, len(blobs))
	for _, blob := range blobs {
		actualPaths = append(actualPaths, blob.Path)
	}

	if !reflect.DeepEqual(actualPaths, expectedPaths) {
		t.Errorf("got %v, want %v", actualPaths, expectedPaths)
	}
}

func TestParseAPILevelIntoABIRevision(t *testing.T) {
	cfg := TestConfig()
	defer os.RemoveAll(filepath.Dir(cfg.TempDir))

	fs := flag.NewFlagSet("test", flag.ContinueOnError)
	cfg.InitFlags(fs)

	cfg.PkgABIRevision = 0

	if err := fs.Parse([]string{"--api-level", "6"}); err != nil {
		t.Fatal(err)
	}
	if cfg.PkgABIRevision != TestABIRevision {
		t.Fatalf("expected ABI revision %x, not %x", TestABIRevision, cfg.PkgABIRevision)
	}
}