V2: WIP: Tests for Replacer

replacer_test.go

@@ -0,0 +1,219 @@
+// Copyright 2015 Matthew Holt and The Caddy Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package caddy
+
+import (
+	"testing"
+)
+
+// Tests the Set method by setting some variables and replacing them afterwards.
+func TestReplacerSet(t *testing.T) {
+	replacer := NewReplacer()
+	testInput := ""
+	expected := ""
+
+	// first add the variables
+	for _, tc := range []struct {
+		variable string
+		value    string
+	}{
+		{
+			variable: "test1",
+			value:    "val1",
+		},
+		{
+			variable: "asdf",
+			value:    "123",
+		},
+		{
+			variable: "äöü",
+			value:    "098765",
+		},
+		{
+			variable: "23456789",
+			value:    "öö_äü",
+		},
+		{
+			variable: "with space",
+			value:    "space value",
+		},
+		{
+			variable: "1",
+			value:    "test-123",
+		},
+		{
+			variable: "mySuper_IP",
+			value:    "1.2.3.4",
+		},
+		{
+			variable: "testEmpty",
+			value:    "",
+		},
+	} {
+		replacer.Set(tc.variable, tc.value)
+		testInput += string(phOpen) + tc.variable + string(phClose)
+		if tc.value == "" {
+			expected += "EMPTY"
+		} else {
+			expected += tc.value
+		}
+	}
+
+	testInput += string(phOpen) + "MyNotSetVariable" + string(phClose)
+	expected += string(phOpen) + "MyNotSetVariable" + string(phClose)
+
+	// then check if they are really replaced
+	actual := replacer.ReplaceAll(testInput, "EMPTY")
+
+	if actual != expected {
+		t.Errorf("Expectd '%s', got '%s' for input '%s'", expected, actual, testInput)
+	}
+}
+
+// Tests the Set method by setting some variables and replacing them afterwards.
+// This test adds spaces between the placeholder
+func TestReplacerSetWithSpaces(t *testing.T) {
+	replacer := NewReplacer()
+	testInput := ""
+	expected := ""
+
+	// first add the variables
+	for _, tc := range []struct {
+		variable string
+		value    string
+	}{
+		{
+			variable: "test1",
+			value:    "val1",
+		},
+		{
+			variable: "asdf",
+			value:    "123",
+		},
+		{
+			variable: "äöü",
+			value:    "098765",
+		},
+		{
+			variable: "23456789",
+			value:    "öö_äü",
+		},
+	} {
+		replacer.Set(tc.variable, tc.value)
+		testInput += " " + string(phOpen) + tc.variable + string(phClose) + " "
+		expected += " "
+		if tc.value == "" {
+			expected += "EMPTY"
+		} else {
+			expected += tc.value
+		}
+		expected += " "
+	}
+
+	testInput += " " + string(phOpen) + "MyNotSetVariable" + string(phClose) + " "
+	expected += " " + string(phOpen) + "MyNotSetVariable" + string(phClose) + " "
+
+	// then check if they are really replaced
+	actual := replacer.ReplaceAll(testInput, "EMPTY")
+
+	if actual != expected {
+		t.Errorf("Expectd '%s', got '%s' for input '%s'", expected, actual, testInput)
+	}
+}
+
+// Tests the Delete method by setting some variables, deleting some of them and replacing them afterwards.
+// The deleted ones should not be replaced.
+func TestReplacerDelete(t *testing.T) {
+	replacer := NewReplacer()
+	testInput := ""
+	expected := ""
+	toDeleteAfter := "toDeleteAfter"
+
+	// first add the variables
+	for _, tc := range []struct {
+		variable string
+		value    string
+		delete   bool
+	}{
+		{
+			variable: "test1",
+			value:    "val1",
+		},
+		{
+			variable: "asdf",
+			value:    "123",
+			delete:   true,
+		},
+		{
+			variable: "äöü",
+			value:    "098765",
+		},
+		{
+			variable: "23456789",
+			value:    "öö_äü",
+			delete:   true,
+		},
+		{
+			variable: "with space",
+			value:    "space value",
+			delete:   true,
+		},
+		{
+			variable: "1",
+			value:    "test-123",
+		},
+		{ // this one will be deleted after all were added and not instantly after adding
+			variable: toDeleteAfter,
+			value:    "test-123",
+		},
+		{
+			variable: "mySuper_IP",
+			value:    "1.2.3.4",
+		},
+		{
+			variable: "testEmpty",
+			value:    "",
+			delete:   true,
+		},
+		{
+			variable: "test2Empty",
+			value:    "",
+			delete:   true,
+		},
+	} {
+		replacer.Set(tc.variable, tc.value)
+		testInput += string(phOpen) + tc.variable + string(phClose)
+		if tc.delete {
+			expected += string(phOpen) + tc.variable + string(phClose)
+			replacer.Delete(tc.variable)
+		} else if tc.variable == toDeleteAfter {
+			expected += string(phOpen) + tc.variable + string(phClose)
+		} else if tc.value == "" {
+			expected += "EMPTY"
+		} else {
+			expected += tc.value
+		}
+	}
+
+	// Delete one key after all other ones to test if deleting it not directly after adding also workS
+	replacer.Delete(toDeleteAfter)
+
+	// then check if they are really replaced (except deleted ones)
+	actual := replacer.ReplaceAll(testInput, "EMPTY")
+
+	if actual != expected {
+		t.Errorf("Expectd '%s', got '%s' for input '%s'", expected, actual, testInput)
+	}
+}