Moved eval function to eval interface

pkg/yqlib/lib_test.go

@@ -1,39 +0,0 @@
-package yqlib
-
-import (
-	"testing"
-
-	"github.com/mikefarah/yq/v4/test"
-)
-
-var evaluateNodesScenario = []expressionScenario{
-	{
-		document:   `a: hello`,
-		expression: `.a`,
-		expected: []string{
-			"D0, P[a], (!!str)::hello\n",
-		},
-	},
-	{
-		document:   `a: hello`,
-		expression: `.`,
-		expected: []string{
-			"D0, P[], (doc)::a: hello\n",
-		},
-	},
-	{
-		document:   `- a: "yes"`,
-		expression: `.[] | has("a")`,
-		expected: []string{
-			"D0, P[0], (!!bool)::true\n",
-		},
-	},
-}
-
-func TestEvaluateNodesScenarios(t *testing.T) {
-	for _, tt := range evaluateNodesScenario {
-		node := test.ParseData(tt.document)
-		list, _ := EvaluateNodes(tt.expression, &node)
-		test.AssertResultComplex(t, tt.expected, resultsToString(list))
-	}
-}