🌱 Unit tests for Vulnerabilities

- Unit tests for Vulnerabilities
- https://github.com/ossf/scorecard/issues/986

checks/evaluation/vulnerabilities_test.go

@@ -0,0 +1,89 @@
+// Copyright 2022 Security Scorecard 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 evaluation
+
+import (
+	"testing"
+
+	"github.com/ossf/scorecard/v4/checker"
+	scut "github.com/ossf/scorecard/v4/utests"
+)
+
+// TestVulnerabilities tests the vulnerabilities checker.
+func TestVulnerabilities(t *testing.T) {
+	t.Parallel()
+	//nolint
+	type args struct {
+		name string
+		r    *checker.VulnerabilitiesData
+	}
+	tests := []struct {
+		name     string
+		args     args
+		want     checker.CheckResult
+		expected []struct {
+			lineNumber uint
+		}
+	}{
+		{
+			name: "no vulnerabilities",
+			args: args{
+				name: "vulnerabilities_test.go",
+				r: &checker.VulnerabilitiesData{
+					Vulnerabilities: []checker.Vulnerability{},
+				},
+			},
+			want: checker.CheckResult{
+				Score: 10,
+			},
+		},
+		{
+			name: "one vulnerability",
+			args: args{
+				name: "vulnerabilities_test.go",
+				r: &checker.VulnerabilitiesData{
+					Vulnerabilities: []checker.Vulnerability{
+						{
+							ID: "CVE-2019-1234",
+						},
+					},
+				},
+			},
+			want: checker.CheckResult{
+				Score: 9,
+			},
+		},
+		{
+			name: "one vulnerability",
+			args: args{
+				name: "vulnerabilities_test.go",
+			},
+			want: checker.CheckResult{
+				Score: -1,
+			},
+		},
+	}
+	for _, tt := range tests {
+		tt := tt
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+			dl := scut.TestDetailLogger{}
+			res := Vulnerabilities(tt.args.name, &dl, tt.args.r)
+			if res.Score != tt.want.Score {
+				t.Errorf("Vulnerabilities() = %v, want %v", res.Score, tt.want.Score)
+			}
+		})
+	}
+}