refactor: move formats from internal into syft module (#1172)

syft/formats/syftjson/to_format_model_test.go

@@ -0,0 +1,86 @@
+package syftjson
+
+import (
+	"testing"
+
+	"github.com/scylladb/go-set/strset"
+
+	"github.com/anchore/syft/syft/formats/syftjson/model"
+	"github.com/anchore/syft/syft/source"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func Test_toSourceModel(t *testing.T) {
+	allSchemes := strset.New()
+	for _, s := range source.AllSchemes {
+		allSchemes.Add(string(s))
+	}
+	testedSchemes := strset.New()
+
+	tests := []struct {
+		name     string
+		src      source.Metadata
+		expected model.Source
+	}{
+		{
+			name: "directory",
+			src: source.Metadata{
+				Scheme: source.DirectoryScheme,
+				Path:   "some/path",
+			},
+			expected: model.Source{
+				Type:   "directory",
+				Target: "some/path",
+			},
+		},
+		{
+			name: "file",
+			src: source.Metadata{
+				Scheme: source.FileScheme,
+				Path:   "some/path",
+			},
+			expected: model.Source{
+				Type:   "file",
+				Target: "some/path",
+			},
+		},
+		{
+			name: "image",
+			src: source.Metadata{
+				Scheme: source.ImageScheme,
+				ImageMetadata: source.ImageMetadata{
+					UserInput:      "user-input",
+					ID:             "id...",
+					ManifestDigest: "digest...",
+					MediaType:      "type...",
+				},
+			},
+			expected: model.Source{
+				Type: "image",
+				Target: source.ImageMetadata{
+					UserInput:      "user-input",
+					ID:             "id...",
+					ManifestDigest: "digest...",
+					MediaType:      "type...",
+					RepoDigests:    []string{},
+					Tags:           []string{},
+				},
+			},
+		},
+	}
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			// track each scheme tested (passed or not)
+			testedSchemes.Add(string(test.src.Scheme))
+
+			// assert the model transformation is correct
+			actual, err := toSourceModel(test.src)
+			require.NoError(t, err)
+			assert.Equal(t, test.expected, actual)
+		})
+	}
+
+	// assert all possible schemes were under test
+	assert.ElementsMatch(t, allSchemes.List(), testedSchemes.List(), "not all source.Schemes are under test")
+}