chore: add unit tests (#1798)

Signed-off-by: Charles-Edouard Brétéché <[email protected]>

Author: eddycharly

pkg/engine/outputs/outputs_test.go

@@ -0,0 +1,99 @@
+package outputs
+
+import (
+	"context"
+	"testing"
+
+	"github.com/jmespath-community/go-jmespath/pkg/binding"
+	"github.com/kyverno/chainsaw/pkg/apis/v1alpha1"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestProcess(t *testing.T) {
+	tests := []struct {
+		name    string
+		tc      binding.Bindings
+		input   any
+		outputs []v1alpha1.Output
+		want    Outputs
+		wantErr bool
+	}{{
+		name:    "empty",
+		tc:      binding.NewBindings(),
+		input:   nil,
+		outputs: nil,
+		want:    nil,
+		wantErr: false,
+	}, {
+		name:  "simple",
+		tc:    binding.NewBindings(),
+		input: nil,
+		outputs: []v1alpha1.Output{{
+			Binding: v1alpha1.Binding{
+				Name:  "foo",
+				Value: v1alpha1.Any{Value: "bar"},
+			},
+		}},
+		want: Outputs{
+			"foo": "bar",
+		},
+		wantErr: false,
+	}, {
+		name:  "match",
+		tc:    binding.NewBindings(),
+		input: map[string]any{},
+		outputs: []v1alpha1.Output{{
+			Match: &v1alpha1.Any{
+				Value: map[string]any{
+					"bar": "baz",
+				},
+			},
+			Binding: v1alpha1.Binding{
+				Name:  "foo",
+				Value: v1alpha1.Any{Value: "bar"},
+			},
+		}},
+		want:    nil,
+		wantErr: false,
+	}, {
+		name:  "match error",
+		tc:    binding.NewBindings(),
+		input: nil,
+		outputs: []v1alpha1.Output{{
+			Match: &v1alpha1.Any{
+				Value: map[string]any{
+					"($bar)": "baz",
+				},
+			},
+			Binding: v1alpha1.Binding{
+				Name:  "foo",
+				Value: v1alpha1.Any{Value: "bar"},
+			},
+		}},
+		want:    nil,
+		wantErr: true,
+	}, {
+		name:  "error",
+		tc:    binding.NewBindings(),
+		input: nil,
+		outputs: []v1alpha1.Output{{
+			Binding: v1alpha1.Binding{
+				Name:  "($foo)",
+				Value: v1alpha1.Any{Value: "bar"},
+			},
+		}},
+		want:    nil,
+		wantErr: true,
+	}}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := Process(context.TODO(), tt.tc, tt.input, tt.outputs...)
+			if tt.wantErr {
+				assert.Error(t, err)
+			} else {
+				assert.NoError(t, err)
+			}
+			assert.Equal(t, tt.want, got)
+		})
+	}
+}