describe cataloger capabilities via test observations (#4318)

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

internal/capabilities/pkgtestobservation/model.go

@@ -0,0 +1,46 @@
+package pkgtestobservation
+
+import "time"
+
+// Observations represents capability observations during testing
+type Observations struct {
+	License       bool         `json:"license"`
+	Relationships Relationship `json:"relationships"`
+	FileListing   Count        `json:"file_listing"`
+	FileDigests   Count        `json:"file_digests"`
+	IntegrityHash Count        `json:"integrity_hash"`
+}
+
+// Relationship tracks dependency relationship observations
+type Relationship struct {
+	Found bool `json:"found"`
+	Count int  `json:"count"`
+}
+
+// Count tracks whether a capability was found and how many times
+type Count struct {
+	Found bool `json:"found"`
+	Count int  `json:"count"`
+}
+
+// Test is the root structure for test-observations.json
+type Test struct {
+	Package    string                `json:"package"`
+	UpdatedAt  time.Time             `json:"updated_at"`
+	Catalogers map[string]*Cataloger `json:"catalogers"`
+	Parsers    map[string]*Parser    `json:"parsers"`
+}
+
+// Parser captures all observations for a parser
+type Parser struct {
+	MetadataTypes []string     `json:"metadata_types"`
+	PackageTypes  []string     `json:"package_types"`
+	Observations  Observations `json:"observations"`
+}
+
+// Cataloger captures all observations for a cataloger
+type Cataloger struct {
+	MetadataTypes []string     `json:"metadata_types"`
+	PackageTypes  []string     `json:"package_types"`
+	Observations  Observations `json:"observations"`
+}