integration: add tests for dir-based presenters

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

integration/dir_presenters_test.go

@@ -0,0 +1,77 @@
+// +build integration
+
+package integration
+
+import (
+	"bytes"
+	"flag"
+	"testing"
+
+	"github.com/anchore/go-testutils"
+	"github.com/anchore/imgbom/imgbom"
+	"github.com/anchore/imgbom/imgbom/presenter"
+	"github.com/anchore/imgbom/imgbom/scope"
+	"github.com/sergi/go-diff/diffmatchpatch"
+)
+
+var update = flag.Bool("update", false, "update the *.golden files for json presenters")
+
+func TestDirTextPresenter(t *testing.T) {
+	var buffer bytes.Buffer
+	protocol := imgbom.NewProtocol("dir://test-fixtures")
+	if protocol.Type != imgbom.DirProtocol {
+		t.Errorf("unexpected protocol returned: %v != %v", protocol.Type, imgbom.DirProtocol)
+	}
+
+	catalog, err := imgbom.CatalogDir(protocol.Value, scope.AllLayersScope)
+	if err != nil {
+		t.Errorf("could not produce catalog: %w", err)
+	}
+	presenterOpt := presenter.ParseOption("text")
+	dirPresenter := presenter.GetDirPresenter(presenterOpt, protocol.Value, catalog)
+
+	dirPresenter.Present(&buffer)
+	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))
+	}
+
+}
+
+func TestDirJsonPresenter(t *testing.T) {
+	var buffer bytes.Buffer
+	protocol := imgbom.NewProtocol("dir://test-fixtures")
+	if protocol.Type != imgbom.DirProtocol {
+		t.Errorf("unexpected protocol returned: %v != %v", protocol.Type, imgbom.DirProtocol)
+	}
+
+	catalog, err := imgbom.CatalogDir(protocol.Value, scope.AllLayersScope)
+	if err != nil {
+		t.Errorf("could not produce catalog: %w", err)
+	}
+	presenterOpt := presenter.ParseOption("json")
+	dirPresenter := presenter.GetDirPresenter(presenterOpt, protocol.Value, catalog)
+
+	dirPresenter.Present(&buffer)
+	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))
+	}
+
+}

integration/test-fixtures/snapshot/TestDirTextPresenter.golden

@@ -0,0 +1,256 @@
+[Path: test-fixtures]
+[actionmailer]
+ Version:	 4.1.1
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[actionpack]
+ Version:	 4.1.1
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[actionview]
+ Version:	 4.1.1
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[activemodel]
+ Version:	 4.1.1
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[activerecord]
+ Version:	 4.1.1
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[activesupport]
+ Version:	 4.1.1
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[arel]
+ Version:	 5.0.1.20140414130214
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[bootstrap-sass]
+ Version:	 3.1.1.1
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[builder]
+ Version:	 3.2.2
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[coffee-rails]
+ Version:	 4.0.1
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[coffee-script]
+ Version:	 2.2.0
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[coffee-script-source]
+ Version:	 1.7.0
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[erubis]
+ Version:	 2.7.0
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[execjs]
+ Version:	 2.0.2
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[hike]
+ Version:	 1.2.3
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[i18n]
+ Version:	 0.6.9
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[jbuilder]
+ Version:	 2.0.7
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[jquery-rails]
+ Version:	 3.1.0
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[json]
+ Version:	 1.8.1
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[kgio]
+ Version:	 2.9.2
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[libv8]
+ Version:	 3.16.14.3
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[mail]
+ Version:	 2.5.4
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[mime-types]
+ Version:	 1.25.1
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[minitest]
+ Version:	 5.3.4
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[multi_json]
+ Version:	 1.10.1
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[mysql2]
+ Version:	 0.3.16
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[polyglot]
+ Version:	 0.3.4
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[rack]
+ Version:	 1.5.2
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[rack-test]
+ Version:	 0.6.2
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[rails]
+ Version:	 4.1.1
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[railties]
+ Version:	 4.1.1
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[raindrops]
+ Version:	 0.13.0
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[rake]
+ Version:	 10.3.2
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[rdoc]
+ Version:	 4.1.1
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[ref]
+ Version:	 1.0.5
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[sass]
+ Version:	 3.2.19
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[sass-rails]
+ Version:	 4.0.3
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[sdoc]
+ Version:	 0.4.0
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[spring]
+ Version:	 1.1.3
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[sprockets]
+ Version:	 2.11.0
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[sprockets-rails]
+ Version:	 2.1.3
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[sqlite3]
+ Version:	 1.3.9
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[therubyracer]
+ Version:	 0.12.1
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[thor]
+ Version:	 0.19.1
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[thread_safe]
+ Version:	 0.3.3
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[tilt]
+ Version:	 1.4.1
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[treetop]
+ Version:	 1.4.15
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[turbolinks]
+ Version:	 2.2.2
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[tzinfo]
+ Version:	 1.2.0
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[uglifier]
+ Version:	 2.5.0
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+
+[unicorn]
+ Version:	 4.8.3
+ Type:		 bundle
+ Found by:	 bundler-cataloger
+