tests: reorganize text img files to match new layout

Signed-off-by: Alfredo Deza <adeza@anchore.com>

imgbom/presenter/text/imgs/presenter_test.go

@@ -0,0 +1,74 @@
+package imgs
+
+import (
+	"bytes"
+	"flag"
+	"testing"
+
+	"github.com/anchore/go-testutils"
+	"github.com/anchore/imgbom/imgbom/pkg"
+	"github.com/anchore/stereoscope/pkg/file"
+	"github.com/sergi/go-diff/diffmatchpatch"
+)
+
+var update = flag.Bool("update", false, "update the *.golden files for json presenters")
+
+type PackageInfo struct {
+	Name    string
+	Version string
+}
+
+func TestTextPresenter(t *testing.T) {
+	var buffer bytes.Buffer
+
+	catalog := pkg.NewCatalog()
+	img, cleanup := testutils.GetFixtureImage(t, "docker-archive", "image-simple")
+	defer cleanup()
+
+	// populate catalog with test data
+	catalog.Add(pkg.Package{
+		Name:    "package-1",
+		Version: "1.0.1",
+		Source: []file.Reference{
+			*img.SquashedTree().File("/somefile-1.txt"),
+		},
+		FoundBy: "dpkg",
+		Type:    pkg.DebPkg,
+	})
+	catalog.Add(pkg.Package{
+		Name:    "package-2",
+		Version: "2.0.1",
+		Source: []file.Reference{
+			*img.SquashedTree().File("/somefile-2.txt"),
+		},
+		FoundBy:  "dpkg",
+		Metadata: PackageInfo{Name: "package-2", Version: "1.0.2"},
+		Type:     pkg.DebPkg,
+	})
+
+	// stub out all the digests so that they don't affect tests comparisons
+	// TODO: update with go-testutils feature when issue #1 is resolved
+	for _, l := range img.Layers {
+		l.Metadata.Digest = "sha256:ad8ecdc058976c07e7e347cb89fa9ad86a294b5ceaae6d09713fb035f84115abf3c4a2388a4af3aa60f13b94f4c6846930bdf53"
+	}
+
+	pres := NewPresenter(img, catalog)
+	// run presenter
+	err := pres.Present(&buffer)
+	if err != nil {
+		t.Fatal(err)
+	}
+	actual := buffer.Bytes()
+	if *update {
+		testutils.UpdateGoldenFileContents(t, actual)
+	}
+
+	var expected = testutils.GetGoldenFileContents(t)
+
+	if !bytes.Equal(expected, actual) {
+		dmp := diffmatchpatch.New()
+		diffs := dmp.DiffMain(string(actual), string(expected), true)
+		t.Errorf("mismatched output:\n%s", dmp.DiffPrettyText(diffs))
+	}
+
+}

imgbom/presenter/text/imgs/test-fixtures/image-simple/Dockerfile

@@ -0,0 +1,4 @@
+# Note: changes to this file will result in updating several test values. Consider making a new image fixture instead of editing this one.
+FROM scratch
+ADD file-1.txt /somefile-1.txt
+ADD file-2.txt /somefile-2.txt

imgbom/presenter/text/imgs/test-fixtures/image-simple/file-1.txt

@@ -0,0 +1 @@
+this file has contents

imgbom/presenter/text/imgs/test-fixtures/image-simple/file-2.txt

@@ -0,0 +1 @@
+file-2 contents!

imgbom/presenter/text/imgs/test-fixtures/snapshot/TestTextPresenter.golden

@@ -0,0 +1,22 @@
+[Image]
+ Layer:		 0
+ Digest:	 sha256:ad8ecdc058976c07e7e347cb89fa9ad86a294b5ceaae6d09713fb035f84115abf3c4a2388a4af3aa60f13b94f4c6846930bdf53
+ Size:		 22
+ MediaType:	 application/vnd.docker.image.rootfs.diff.tar.gzip
+
+ Layer:		 1
+ Digest:	 sha256:ad8ecdc058976c07e7e347cb89fa9ad86a294b5ceaae6d09713fb035f84115abf3c4a2388a4af3aa60f13b94f4c6846930bdf53
+ Size:		 16
+ MediaType:	 application/vnd.docker.image.rootfs.diff.tar.gzip
+
+[package-1]
+ Version:	 1.0.1
+ Type:		 deb
+ Found by:	 dpkg
+
+[package-2]
+ Version:	 2.0.1
+ Type:		 deb
+ Metadata:	{Name:package-2 Version:1.0.2}
+ Found by:	 dpkg
+