github.com/google/osv-scalibr@v0.4.1/semantic/parse_test.go

// Copyright 2025 Google LLC
//
// 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 semantic_test

import (
	"errors"
	"testing"

	"github.com/google/osv-scalibr/semantic"
)

var ecosystems = []string{
	"AlmaLinux",
	"Alpaquita",
	"Alpine",
	"BellSoft Hardened Containers",
	"Bioconductor",
	"Bitnami",
	"Chainguard",
	"ConanCenter",
	"CRAN",
	"crates.io",
	"Debian",
	"GHC",
	"Go",
	"Hex",
	"Julia",
	"Mageia",
	"Maven",
	"MinimOS",
	"npm",
	"NuGet",
	"openEuler",
	"openSUSE",
	"Packagist",
	"Pub",
	"PyPI",
	"Rocky Linux",
	"RubyGems",
	"SUSE",
	"SwiftURL",
	"Ubuntu",
	"Wolfi",
}

func TestParse(t *testing.T) {
	for _, ecosystem := range ecosystems {
		_, err := semantic.Parse("", ecosystem)

		if errors.Is(err, semantic.ErrUnsupportedEcosystem) {
			t.Errorf("'%s' is not a supported ecosystem", ecosystem)
		}
	}
}

func TestParse_EcosystemWithSuffix(t *testing.T) {
	ecosystems := []string{
		"Debian:13",
		"Alpine:v3.9",
		"Red Hat:ansible_automation_platform:2.0::el8",
		"Ubuntu:Pro:24.04:LTS",
	}
	for _, ecosystem := range ecosystems {
		_, err := semantic.Parse("", ecosystem)

		if errors.Is(err, semantic.ErrUnsupportedEcosystem) {
			t.Errorf("'%s' is not a supported ecosystem", ecosystem)
		}
	}
}

func TestParse_InvalidVersions(t *testing.T) {
	type args struct {
		versions  []string
		ecosystem string
	}
	tests := []struct {
		name string
		args args
	}{
		{
			name: "invalid_cran_versions",
			args: args{
				versions:  []string{"!", "?", "1.a.2", "z.c.3"},
				ecosystem: "CRAN",
			},
		},
		{
			name: "invalid_debian_versions",
			args: args{
				versions:  []string{"1.2.3-not-a-debian:version!@#$"},
				ecosystem: "Debian",
			},
		},
		{
			name: "invalid_hackage_versions",
			args: args{
				versions:  []string{"1.2.3.4.5-notallowed"},
				ecosystem: "Hackage",
			},
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			for _, version := range tt.args.versions {
				_, err := semantic.Parse(version, tt.args.ecosystem)

				if err == nil {
					t.Errorf("expected error for '%s', got nil", version)

					continue
				}

				if !errors.Is(err, semantic.ErrInvalidVersion) {
					t.Errorf("expected ErrInvalidVersion for '%s', got '%v'", version, err)
				}
			}
		})
	}
}

func TestMustParse(t *testing.T) {
	defer func() {
		if r := recover(); r != nil {
			t.Errorf("unexpected panic - '%s'", r)
		}
	}()

	for _, ecosystem := range ecosystems {
		semantic.MustParse("", ecosystem)
	}
}

func TestMustParse_InvalidVersions(t *testing.T) {
	type args struct {
		versions  []string
		ecosystem string
	}
	tests := []struct {
		name string
		args args
	}{
		{
			name: "invalid_ecosystem",
			args: args{
				versions:  []string{""},
				ecosystem: "<unknown>",
			},
		},
		{
			name: "invalid_cran_versions",
			args: args{
				versions:  []string{"!", "?", "1.a.2", "z.c.3"},
				ecosystem: "CRAN",
			},
		},
		{
			name: "invalid_debian_versions",
			args: args{
				versions:  []string{"1.2.3-not-a-debian:version!@#$"},
				ecosystem: "Debian",
			},
		},
		{
			name: "invalid_hackage_versions",
			args: args{
				versions:  []string{"1.2.3.4.5-notallowed"},
				ecosystem: "Hackage",
			},
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			defer func() {
				if r := recover(); r == nil {
					t.Errorf("expected panic, got nil")
				}
			}()

			for _, version := range tt.args.versions {
				semantic.MustParse(version, tt.args.ecosystem)

				// if we reached here, then we can't have panicked
				t.Errorf("function did not panic when given invalid version '%s'", version)
			}
		})
	}
}