add dynamic package.json parsing of author field

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

syft/cataloger/javascript/parse_package_json_test.go

@@ -9,35 +9,61 @@ import (
 )
 
 func TestParsePackageJSON(t *testing.T) {
-	expected := pkg.Package{
-		Name:     "npm",
-		Version:  "6.14.6",
-		Type:     pkg.NpmPkg,
-		Licenses: []string{"Artistic-2.0"},
-		Language: pkg.JavaScript,
-		Metadata: pkg.NpmMetadata{
-			Author:   "Isaac Z. Schlueter <i@izs.me> (http://blog.izs.me)",
-			Homepage: "https://docs.npmjs.com/",
+	tests := []struct {
+		Fixture     string
+		ExpectedPkg pkg.Package
+	}{
+		{
+			Fixture: "test-fixtures/pkg-json/package.json",
+			ExpectedPkg: pkg.Package{
+				Name:     "npm",
+				Version:  "6.14.6",
+				Type:     pkg.NpmPkg,
+				Licenses: []string{"Artistic-2.0"},
+				Language: pkg.JavaScript,
+				Metadata: pkg.NpmMetadata{
+					Author:   "Isaac Z. Schlueter <i@izs.me> (http://blog.izs.me)",
+					Homepage: "https://docs.npmjs.com/",
+				},
+			},
+		},
+		{
+			Fixture: "test-fixtures/pkg-json/package-nested-author.json",
+			ExpectedPkg: pkg.Package{
+				Name:     "npm",
+				Version:  "6.14.6",
+				Type:     pkg.NpmPkg,
+				Licenses: []string{"Artistic-2.0"},
+				Language: pkg.JavaScript,
+				Metadata: pkg.NpmMetadata{
+					Author:   "Isaac Z. Schlueter <i@izs.me> (http://blog.izs.me)",
+					Homepage: "https://docs.npmjs.com/",
+				},
+			},
 		},
 	}
-	fixture, err := os.Open("test-fixtures/pkg-json/package.json")
-	if err != nil {
-		t.Fatalf("failed to open fixture: %+v", err)
-	}
 
-	actual, err := parsePackageJSON(fixture.Name(), fixture)
-	if err != nil {
-		t.Fatalf("failed to parse package-lock.json: %+v", err)
-	}
-	if len(actual) != 1 {
-		for _, a := range actual {
-			t.Log("   ", a)
-		}
-		t.Fatalf("unexpected package count: %d!=1", len(actual))
-	}
+	for _, test := range tests {
+		t.Run(test.Fixture, func(t *testing.T) {
+			fixture, err := os.Open(test.Fixture)
+			if err != nil {
+				t.Fatalf("failed to open fixture: %+v", err)
+			}
 
-	for _, d := range deep.Equal(actual[0], expected) {
-		t.Errorf("diff: %+v", d)
-	}
+			actual, err := parsePackageJSON(fixture.Name(), fixture)
+			if err != nil {
+				t.Fatalf("failed to parse package-lock.json: %+v", err)
+			}
+			if len(actual) != 1 {
+				for _, a := range actual {
+					t.Log("   ", a)
+				}
+				t.Fatalf("unexpected package count: %d!=1", len(actual))
+			}
 
+			for _, d := range deep.Equal(actual[0], test.ExpectedPkg) {
+				t.Errorf("diff: %+v", d)
+			}
+		})
+	}
 }