Use correct long description from DSA long RDF

- use date and DSA number as version identifier
- add tests for Check and Get calls

internal/resource/dsa/dsa.go

@@ -81,8 +81,8 @@ func getRdfData(full bool) (*rdfData, error) {
 }
 
 type Version struct {
-	Date  string `json:"date"`
-	Title string `json:"title"`
+	Date      string `json:"date"`
+	DSANumber string `json:"dsa"`
 }
 
 func (v Version) String() string {
@@ -104,6 +104,7 @@ type getInput struct {
 
 type MetaData struct {
 	Link        string `json:"link"`
+	Package     string `json:"package"`
 	Description string `json:"description"`
 }
 
@@ -126,7 +127,7 @@ func (r *VersionRange) Len() int {
 }
 
 func (r *VersionRange) Less(i, j int) bool {
-	return r.versions[i].Date <= r.versions[j].Date && r.versions[i].Title < r.versions[j].Title
+	return r.versions[i].Date <= r.versions[j].Date && r.versions[i].DSANumber < r.versions[j].DSANumber
 }
 
 func (r *VersionRange) Swap(i, j int) {
@@ -161,7 +162,9 @@ func (r *Resource) Check() error {
 	dates := &VersionRange{}
 
 	for _, item := range dsaData.Items {
-		dates.addVersion(Version{Date: item.Date, Title: item.Title})
+		parts := strings.SplitN(item.Title, " ", 2)
+
+		dates.addVersion(Version{Date: item.Date, DSANumber: parts[0]})
 	}
 
 	sort.Sort(dates)
@@ -185,19 +188,26 @@ func (r *Resource) Get(_ string) error {
 		return fmt.Errorf("could not interpret version from Concourse as date: %w", err)
 	}
 
-	dsaData, err := getRdfData(false)
+	dsaData, err := getRdfData(true)
 	if err != nil {
 		log.Fatalf("could not get DSA RDF data: %v", err)
 	}
 
 	for _, item := range dsaData.Items {
-		if item.Date == input.Version.Date && item.Title == input.Version.Title {
+		if item.Date == input.Version.Date && strings.HasPrefix(item.Title, input.Version.DSANumber) {
+			parts := strings.SplitN(item.Title, " ", 3)
+
 			err = r.writeGetOutput(Version{
-				Date:  item.Date,
-				Title: item.Title,
+				Date:      item.Date,
+				DSANumber: parts[0],
 			}, MetaData{
-				Link:        item.Link,
-				Description: strings.TrimSpace(item.Description),
+				Link:    item.Link,
+				Package: parts[1],
+				Description: strings.TrimSpace(
+					strings.ReplaceAll(strings.ReplaceAll(
+						item.Description, "<p>", ""), "</p>", "\n",
+					),
+				),
 			})
 
 			if err != nil {

internal/resource/dsa/dsa_test.go

@@ -0,0 +1,51 @@
+package dsa
+
+import (
+	"bytes"
+	"fmt"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestResource_Check(t *testing.T) {
+	input := strings.NewReader("{}")
+	output := &bytes.Buffer{}
+
+	resource := NewResource(input, output)
+
+	err := resource.Check()
+
+	assert.NoError(t, err)
+
+	result := output.String()
+
+	assert.NotEmpty(t, result)
+}
+
+func TestResource_Get(t *testing.T) {
+	rdf, err := getRdfData(false)
+
+	item := rdf.Items[0]
+
+	parts := strings.SplitN(item.Title, " ", 2)
+
+	require.NoError(t, err)
+
+	input := strings.NewReader(fmt.Sprintf(
+		`{"source":{},"params":{},"version":{"date":"%s","dsa":"%s"}}`, item.Date, parts[0],
+	))
+	output := &bytes.Buffer{}
+
+	resource := NewResource(input, output)
+
+	err = resource.Get("/tmp")
+
+	assert.NoError(t, err)
+
+	result := output.String()
+
+	assert.NotEmpty(t, result)
+}