kn source-list types: adding column to specify built-in source (#1246)

* # This is a combination of 9 commits.
# This is the 1st commit message:
adding BUILT-IN SOURCE column for kn source list-types

# The commit message #2 will be skipped:

#	changing list test to check for BUILT-IN SOURCE column

# The commit message #3 will be skipped:

#	changing e2e source list test to check for BUILT-IN SOURCE column

# The commit message #4 will be skipped:

#	adding CHANGELOG entry

# The commit message #5 will be skipped:

#	kn source list-types: changing BUILT-IN SOURCE to BUILT-IN and moving DESCRIPTION column to the end

# The commit message #6 will be skipped:

#	changing BUILT-IN SOURCE to BUILT-IN in changelog

# The commit message #7 will be skipped:

#	Update CHANGELOG.adoc
#
#	Co-authored-by: David Simansky <dsimansk@redhat.com>

# The commit message #8 will be skipped:

#	kn source list-types: changing column header to S, values to X, and moving to second column

# The commit message #9 will be skipped:

#	fixing CHANGELOG merge conflict

* adding BUILT-IN SOURCE column for kn source list-types

CHANGELOG.adoc

@@ -25,6 +25,9 @@
 | Fix kn export to always honor mode irrespective of revisions flag and have Export as the default mode
 | https://github.com/knative/client/pull/1212[#1212]
 
+| 🎁
+| Add S column to specify built-in sources in kn source list-types
+| https://github.com/knative/client/pull/1246[#1246]
 |===
 
 ## v0.21.0 (2021-02-23)

pkg/kn/commands/source/human_readable_flags.go

@@ -37,10 +37,19 @@ var sourceTypeDescription = map[string]string{
 	"KafkaSource": "Route events from Apache Kafka Server to addressable",
 }
 
+var sourceTypeSupported = map[string]string{
+	"ApiServerSource": "X",
+	"SinkBinding":     "X",
+	"PingSource":      "X",
+	"ContainerSource": "X",
+	"KafkaSource":     "",
+}
+
 // ListTypesHandlers handles printing human readable table for `kn source list-types`
 func ListTypesHandlers(h printers.PrintHandler) {
 	sourceTypesColumnDefinitions := []metav1beta1.TableColumnDefinition{
 		{Name: "Type", Type: "string", Description: "Kind / Type of the source type", Priority: 1},
+		{Name: "S", Type: "string", Description: "Supported source", Priority: 1},
 		{Name: "Name", Type: "string", Description: "Name of the source type", Priority: 1},
 		{Name: "Description", Type: "string", Description: "Description of the source type", Priority: 1},
 	}
@@ -78,7 +87,7 @@ func printSourceTypes(sourceType unstructured.Unstructured, options printers.Pri
 	row := metav1beta1.TableRow{
 		Object: runtime.RawExtension{Object: &sourceType},
 	}
-	row.Cells = append(row.Cells, kind, name, sourceTypeDescription[kind])
+	row.Cells = append(row.Cells, kind, sourceTypeSupported[kind], name, sourceTypeDescription[kind])
 	return []metav1beta1.TableRow{row}, nil
 }
 

pkg/kn/commands/source/list_test.go

@@ -64,9 +64,9 @@ func TestSourceListTypes(t *testing.T) {
 		newSourceCRDObjWithSpec("apiserversources", "sources.knative.dev", "v1alpha1", "ApiServerSource"),
 	)
 	assert.NilError(t, err)
-	assert.Check(t, util.ContainsAll(output[0], "TYPE", "NAME", "DESCRIPTION"))
+	assert.Check(t, util.ContainsAll(output[0], "TYPE", "S", "NAME", "DESCRIPTION"))
-	assert.Check(t, util.ContainsAll(output[1], "ApiServerSource", "apiserversources"))
+	assert.Check(t, util.ContainsAll(output[1], "ApiServerSource", "X", "apiserversources"))
-	assert.Check(t, util.ContainsAll(output[2], "PingSource", "pingsources"))
+	assert.Check(t, util.ContainsAll(output[2], "PingSource", "X", "pingsources"))
 }
 
 func TestSourceListTypesNoHeaders(t *testing.T) {

test/e2e/source_list_test.go

@@ -39,7 +39,7 @@ func TestSourceListTypes(t *testing.T) {
 
 	t.Log("List available source types")
 	output := sourceListTypes(r)
-	assert.Check(t, util.ContainsAll(output, "TYPE", "NAME", "DESCRIPTION", "Ping", "ApiServer"))
+	assert.Check(t, util.ContainsAll(output, "TYPE", "S", "NAME", "DESCRIPTION", "Ping", "ApiServer"))
 
 	t.Log("List available source types in YAML format")