Included tests for internal/signalio/text

- Included test for `internal/signalio/text`

Signed-off-by: nathannaveen <[email protected]>

internal/signalio/text_test.go

@@ -0,0 +1,122 @@
+package signalio
+
+import (
+	"io"
+	"sync"
+	"testing"
+
+	"github.com/ossf/criticality_score/internal/collector/signal"
+)
+
+func Test_textWriter_writeRecord(t *testing.T) {
+	type fields struct {
+		w                  io.Writer
+		fields             []string
+		firstRecordWritten bool
+	}
+	tests := []struct { //nolint:govet
+		name    string
+		fields  fields
+		values  map[string]string
+		wantErr bool
+	}{
+		{
+			name: "regular",
+			fields: fields{
+				w: io.Writer(&mockWriter{
+					written: []byte{},
+				}),
+				fields:             []string{"test"},
+				firstRecordWritten: false,
+			},
+			values: map[string]string{
+				"test": "test",
+			},
+		},
+		{
+			name: "first record written and w is invalid",
+			fields: fields{
+				w:                  &mockWriter{},
+				fields:             []string{"test"},
+				firstRecordWritten: true,
+			},
+			values: map[string]string{},
+		},
+	}
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			w := &textWriter{
+				w:                  test.fields.w,
+				fields:             test.fields.fields,
+				firstRecordWritten: test.fields.firstRecordWritten,
+				mu:                 sync.Mutex{},
+			}
+
+			if err := w.writeRecord(test.values); (err != nil) != test.wantErr {
+				t.Errorf("writeRecord() error = %v, wantErr %v", err, test.wantErr)
+			}
+		})
+	}
+}
+
+type mockWriter struct {
+	written []byte
+}
+
+func (m *mockWriter) Write(p []byte) (n int, err error) {
+	return 0, nil
+}
+
+func Test_textWriter_WriteSignals(t *testing.T) {
+	type fields struct {
+		w                  io.Writer
+		fields             []string
+		firstRecordWritten bool
+	}
+	type args struct {
+		signals []signal.Set
+		extra   []Field
+	}
+	tests := []struct { //nolint:govet
+		name    string
+		fields  fields
+		args    args
+		wantErr bool
+	}{
+		{
+			name: "regular",
+			fields: fields{
+				w: io.Writer(&mockWriter{
+					written: []byte{},
+				}),
+				fields:             []string{"test"},
+				firstRecordWritten: true,
+			},
+			args: args{
+				signals: []signal.Set{},
+				extra:   []Field{},
+			},
+		},
+		{
+			name: "error while marshaling with extra",
+			args: args{
+				signals: []signal.Set{},
+				extra:   []Field{{"test", []string{"invalid"}}},
+			},
+			wantErr: true,
+		},
+	}
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			w := &textWriter{
+				w:                  test.fields.w,
+				fields:             test.fields.fields,
+				firstRecordWritten: test.fields.firstRecordWritten,
+				mu:                 sync.Mutex{},
+			}
+			if err := w.WriteSignals(test.args.signals, test.args.extra...); (err != nil) != test.wantErr {
+				t.Errorf("WriteSignals() error = %v, wantErr %v", err, test.wantErr)
+			}
+		})
+	}
+}