replace table presenter with format object (#586)

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

internal/presenter/packages/table_presenter.go

@@ -1,89 +0,0 @@
-package packages
-
-import (
-	"fmt"
-	"io"
-	"sort"
-	"strings"
-
-	"github.com/olekukonko/tablewriter"
-
-	"github.com/anchore/syft/syft/pkg"
-)
-
-type TablePresenter struct {
-	catalog *pkg.Catalog
-}
-
-func NewTablePresenter(catalog *pkg.Catalog) *TablePresenter {
-	return &TablePresenter{
-		catalog: catalog,
-	}
-}
-
-func (pres *TablePresenter) Present(output io.Writer) error {
-	rows := make([][]string, 0)
-
-	columns := []string{"Name", "Version", "Type"}
-	for _, p := range pres.catalog.Sorted() {
-		row := []string{
-			p.Name,
-			p.Version,
-			string(p.Type),
-		}
-		rows = append(rows, row)
-	}
-
-	if len(rows) == 0 {
-		fmt.Fprintln(output, "No packages discovered")
-		return nil
-	}
-
-	// sort by name, version, then type
-	sort.SliceStable(rows, func(i, j int) bool {
-		for col := 0; col < len(columns); col++ {
-			if rows[i][col] != rows[j][col] {
-				return rows[i][col] < rows[j][col]
-			}
-		}
-		return false
-	})
-	rows = removeDuplicateRows(rows)
-
-	table := tablewriter.NewWriter(output)
-
-	table.SetHeader(columns)
-	table.SetHeaderLine(false)
-	table.SetBorder(false)
-	table.SetAutoWrapText(false)
-	table.SetAutoFormatHeaders(true)
-	table.SetHeaderAlignment(tablewriter.ALIGN_LEFT)
-	table.SetAlignment(tablewriter.ALIGN_LEFT)
-	table.SetCenterSeparator("")
-	table.SetColumnSeparator("")
-	table.SetRowSeparator("")
-	table.SetTablePadding("  ")
-	table.SetNoWhiteSpace(true)
-
-	table.AppendBulk(rows)
-	table.Render()
-
-	return nil
-}
-
-func removeDuplicateRows(items [][]string) [][]string {
-	seen := map[string][]string{}
-	var result [][]string
-
-	for _, v := range items {
-		key := strings.Join(v, "|")
-		if seen[key] != nil {
-			// dup!
-			continue
-		}
-
-		seen[key] = v
-		result = append(result, v)
-	}
-	return result
-}

internal/presenter/packages/table_presenter_test.go

@@ -1,51 +0,0 @@
-package packages
-
-import (
-	"flag"
-	"testing"
-
-	"github.com/anchore/syft/internal/formats/common/testutils"
-
-	"github.com/go-test/deep"
-)
-
-var updateTablePresenterGoldenFiles = flag.Bool("update-table", false, "update the *.golden files for table presenters")
-
-func TestTablePresenter(t *testing.T) {
-	testImage := "image-simple"
-	catalog, _, _ := testutils.ImageInput(t, testImage)
-	testutils.AssertPresenterAgainstGoldenImageSnapshot(t,
-		NewTablePresenter(catalog),
-		testImage,
-		*updateTablePresenterGoldenFiles,
-	)
-}
-
-func TestRemoveDuplicateRows(t *testing.T) {
-	data := [][]string{
-		{"1", "2", "3"},
-		{"a", "b", "c"},
-		{"1", "2", "3"},
-		{"a", "b", "c"},
-		{"1", "2", "3"},
-		{"4", "5", "6"},
-		{"1", "2", "1"},
-	}
-
-	expected := [][]string{
-		{"1", "2", "3"},
-		{"a", "b", "c"},
-		{"4", "5", "6"},
-		{"1", "2", "1"},
-	}
-
-	actual := removeDuplicateRows(data)
-
-	if diffs := deep.Equal(expected, actual); len(diffs) > 0 {
-		t.Errorf("found diffs!")
-		for _, d := range diffs {
-			t.Errorf("   diff: %+v", d)
-		}
-	}
-
-}

internal/presenter/packages/test-fixtures/snapshot/TestTablePresenter.golden

@@ -1,3 +0,0 @@
-NAME       VERSION  TYPE   
-package-1  1.0.1    python  
-package-2  2.0.1    deb