// Copyright (C) 2017 Damon Revoe. All rights reserved.
// Use of this source code is governed by the MIT
// license, which can be found in the LICENSE file.

package main

import (
	"fmt"
	"strings"
	"testing"
)

func substTestCase(t *testing.T, node *verbatim, expected string) {
	var result string

	for {
		result += node.text
		if node.next == nil {
			break
		}

		result += "[" + strings.Join(node.next.paramValues, ", ") + "]"

		node = &node.next.continuation
	}

	if result != expected {
		t.Error("Error: \"" + result + "\" != \"" + expected + "\"")
	}
}

func TestSubst(t *testing.T) {
	v := verbatim{"{Greetings}, {Who}!", nil}
	v.subst("Who", "Human")
	v.subst("Greetings", []string{"Hello", "Hi"})

	substTestCase(t, &v, "[Hello, Hi], Human!")

	v = verbatim{"{What}, {What} {Where}", nil}
	v.subst("What", "Mirror")
	v.subst("Where", "on the Wall")

	substTestCase(t, &v, "Mirror, Mirror on the Wall")
}

func TestExpandPathnameTemplate(t *testing.T) {
	fmt.Println(expandPathnameTemplate("{nil}{dir}/{name}.{ext}",
		map[string]interface{}{
			"nil":  []string{},
			"dir":  []string{"red", "blue", "yellow", "green"},
			"name": []string{"foo", "bar"},
			"ext":  []string{"js", "go", "rs"}}))
}

// Copyright (C) 2017 Damon Revoe. All rights reserved.
// Use of this source code is governed by the MIT
// license, which can be found in the LICENSE file.

package main

import (
	"strings"
	"testing"
)

func substTestCase(t *testing.T, node *verbatim, expected string) {
	var result string

	for {
		result += node.text
		if node.next == nil {
			break
		}

		result += "[" + strings.Join(node.next.paramValues, ", ") + "]"

		node = &node.next.continuation
	}

	if result != expected {
		t.Error("Error: \"" + result + "\" != \"" + expected + "\"")
	}
}

func TestSubst(t *testing.T) {
	v := verbatim{"{Greetings}, {Who}!", nil}
	v.subst("Who", "Human")
	v.subst("Greetings", []string{"Hello", "Hi"})

	substTestCase(t, &v, "[Hello, Hi], Human!")

	v = verbatim{"{What}, {What} {Where}", nil}
	v.subst("What", "Mirror")
	v.subst("Where", "on the Wall")

	substTestCase(t, &v, "Mirror, Mirror on the Wall")
}

--- 
+++ 
@@ -5,6 +5,7 @@
 package main
 
 import (
+	"fmt"
 	"strings"
 	"testing"
 )
@@ -41,3 +42,12 @@
 
 	substTestCase(t, &v, "Mirror, Mirror on the Wall")
 }
+
+func TestExpandPathnameTemplate(t *testing.T) {
+	fmt.Println(expandPathnameTemplate("{nil}{dir}/{name}.{ext}",
+		map[string]interface{}{
+			"nil":  []string{},
+			"dir":  []string{"red", "blue", "yellow", "green"},
+			"name": []string{"foo", "bar"},
+			"ext":  []string{"js", "go", "rs"}}))
+}
Add a Println-based test of expandPathnameTemplate
