Support defaults, add tests

tests/08_defaults_test.go

@@ -0,0 +1,51 @@
+package tests
+
+import (
+	"git.virtual.blue/tomgracey/template-nest-go"
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestRenderWithDefaults(t *testing.T) {
+	nest, err := templatenest.New(templatenest.Option{
+		TemplateDir: "templates",
+		Defaults: templatenest.Hash{
+			"variable": "Simple Variable",
+			"space": templatenest.Hash{
+				"inside": "A variable inside a space.",
+			},
+		},
+	})
+	if err != nil {
+		t.Fatalf("Failed to initialize TemplateNest: %+v", err)
+	}
+
+	page := templatenest.Hash{
+		"TEMPLATE": "00-simple-page",
+		"simple_component": []templatenest.Hash{
+			templatenest.Hash{
+				"TEMPLATE": "01-simple-component",
+				"variable": "Simple Variable in Simple Component",
+			},
+		},
+	}
+
+	outputPage := templatenest.Hash{"TEMPLATE": "output/01-simple-page"}
+
+	assert.Equal(
+		t,
+		nest.MustRender(outputPage),
+		nest.MustRender(page),
+		"Rendered output does not match expected output",
+	)
+
+	spacePage := templatenest.Hash{"TEMPLATE": "03-namespace-page"}
+	spaceOutputPage := templatenest.Hash{"TEMPLATE": "output/11-namespace-page"}
+
+	assert.Equal(
+		t,
+		nest.MustRender(spaceOutputPage),
+		nest.MustRender(spacePage),
+		"Rendered output does not match expected output",
+	)
+}