Replace expressions engine (#133)

internal/templateeval/evaluate_test.go

@@ -0,0 +1,94 @@
+package templateeval
+
+import (
+	"context"
+	"testing"
+
+	v2 "github.com/actions-oss/act-cli/internal/eval/v2"
+	"github.com/actions-oss/act-cli/pkg/schema"
+	"github.com/stretchr/testify/require"
+	"gopkg.in/yaml.v3"
+)
+
+func TestEval(t *testing.T) {
+	cases := []struct {
+		name      string
+		yamlInput string
+		restrict  bool
+		variables v2.CaseInsensitiveObject[any]
+		expectErr bool
+	}{
+		{
+			name: "NoError",
+			yamlInput: `on: push
+run-name: ${{ github.ref_name }}
+jobs:
+  _:
+    name: ${{ github.ref_name }}
+    steps:
+    - run: echo Hello World
+      env:
+        TAG: ${{ env.global }}`,
+			restrict:  false,
+			expectErr: false,
+		},
+		{
+			name: "Error",
+			yamlInput: `on: push
+run-name: ${{ fromjson('{}') }}
+jobs:
+  _:
+    name: ${{ github.ref_name }}
+    steps:
+    - run: echo Hello World
+      env:
+        TAG: ${{ env.global }}`,
+			restrict: true,
+			variables: v2.CaseInsensitiveObject[any]{
+				"github": v2.CaseInsensitiveObject[any]{
+					"ref_name": "self",
+				},
+				"vars":   v2.CaseInsensitiveObject[any]{},
+				"inputs": v2.CaseInsensitiveObject[any]{},
+			},
+			expectErr: true,
+		},
+	}
+
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			ee := &ExpressionEvaluator{
+				EvaluationContext: v2.EvaluationContext{
+					Variables: v2.CaseInsensitiveObject[any]{},
+					Functions: v2.GetFunctions(),
+				},
+			}
+			var node yaml.Node
+			err := yaml.Unmarshal([]byte(tc.yamlInput), &node)
+			require.NoError(t, err)
+
+			err = ee.EvaluateYamlNode(context.Background(), node.Content[0], &schema.Node{
+				Definition: "workflow-root",
+				Schema:     schema.GetWorkflowSchema(),
+			})
+			require.NoError(t, err)
+
+			if tc.restrict {
+				ee.RestrictEval = true
+			}
+			if tc.variables != nil {
+				ee.EvaluationContext.Variables = tc.variables
+			}
+
+			err = ee.EvaluateYamlNode(context.Background(), node.Content[0], &schema.Node{
+				Definition: "workflow-root",
+				Schema:     schema.GetWorkflowSchema(),
+			})
+			if tc.expectErr {
+				require.Error(t, err)
+			} else {
+				require.NoError(t, err)
+			}
+		})
+	}
+}