depot/third_party/tvl/ops/kontemplate/templater/templater_test.go

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// Copyright (C) 2016-2019 Vincent Ambo <mail@tazj.in>
//
// This file is part of Kontemplate.
//
// Kontemplate is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
package templater
import (
"github.com/tazjin/kontemplate/context"
"reflect"
"strings"
"testing"
)
func TestApplyNoLimits(t *testing.T) {
resources := []context.ResourceSet{
{
Name: "testResourceSet1",
},
{
Name: "testResourceSet2",
},
}
result := applyLimits(&resources, &[]string{}, &[]string{})
if !reflect.DeepEqual(resources, *result) {
t.Error("Resource set slice changed, but shouldn't have.")
t.Errorf("Expected: %v\nResult: %v\n", resources, *result)
t.Fail()
}
}
func TestApplyIncludeLimits(t *testing.T) {
resources := []context.ResourceSet{
{
Name: "testResourceSet1",
},
{
Name: "testResourceSet2",
},
{
Name: "testResourceSet3",
Parent: "included",
},
}
includes := []string{"testResourceSet1", "included"}
result := applyLimits(&resources, &includes, &[]string{})
expected := []context.ResourceSet{
{
Name: "testResourceSet1",
},
{
Name: "testResourceSet3",
Parent: "included",
},
}
if !reflect.DeepEqual(expected, *result) {
t.Error("Result does not contain expected resource sets.")
t.Errorf("Expected: %v\nResult: %v\n", expected, *result)
t.Fail()
}
}
func TestApplyExcludeLimits(t *testing.T) {
resources := []context.ResourceSet{
{
Name: "testResourceSet1",
},
{
Name: "testResourceSet2",
},
{
Name: "testResourceSet3",
Parent: "included",
},
}
exclude := []string{"testResourceSet2"}
result := applyLimits(&resources, &[]string{}, &exclude)
expected := []context.ResourceSet{
{
Name: "testResourceSet1",
},
{
Name: "testResourceSet3",
Parent: "included",
},
}
if !reflect.DeepEqual(expected, *result) {
t.Error("Result does not contain expected resource sets.")
t.Errorf("Expected: %v\nResult: %v\n", expected, *result)
t.Fail()
}
}
func TestApplyLimitsExcludeIncludePrecedence(t *testing.T) {
resources := []context.ResourceSet{
{
Name: "collection/nested1",
Parent: "collection",
},
{
Name: "collection/nested2",
Parent: "collection",
},
{
Name: "collection/nested3",
Parent: "collection",
},
{
Name: "something-else",
},
}
include := []string{"collection"}
exclude := []string{"collection/nested2"}
result := applyLimits(&resources, &include, &exclude)
expected := []context.ResourceSet{
{
Name: "collection/nested1",
Parent: "collection",
},
{
Name: "collection/nested3",
Parent: "collection",
},
}
if !reflect.DeepEqual(expected, *result) {
t.Error("Result does not contain expected resource sets.")
t.Errorf("Expected: %v\nResult: %v\n", expected, *result)
t.Fail()
}
}
func TestFailOnMissingKeys(t *testing.T) {
ctx := context.Context{}
resourceSet := context.ResourceSet{}
_, err := templateFile(&ctx, &resourceSet, "testdata/test-template.txt")
if err == nil {
t.Errorf("Template with missing keys should have failed.\n")
t.Fail()
}
if !strings.Contains(err.Error(), "map has no entry for key \"testName\"") {
t.Errorf("Templating failed with unexpected error: %v\n", err)
}
}
func TestDefaultTemplateFunction(t *testing.T) {
ctx := context.Context{}
resourceSet := context.ResourceSet{}
res, err := templateFile(&ctx, &resourceSet, "testdata/test-default.txt")
if err != nil {
t.Errorf("Templating with default values should have succeeded.\n")
t.Fail()
}
if res.Rendered != "defaultValue\n" {
t.Error("Result does not contain expected rendered default value.")
t.Fail()
}
}
func TestInsertTemplateFunction(t *testing.T) {
ctx := context.Context{}
resourceSet := context.ResourceSet{
Path: "testdata",
Values: map[string]interface{}{
"testName": "TestInsertTemplateFunction",
},
}
res, err := templateFile(&ctx, &resourceSet, "testdata/test-insertTemplate.txt")
if err != nil {
t.Error(err)
t.Errorf("Templating with an insertTemplate call should have succeeded.\n")
t.Fail()
}
if res.Rendered != "Inserting \"Template for test TestInsertTemplateFunction\".\n" {
t.Error("Result does not contain expected rendered template value.")
t.Error(res.Rendered)
t.Fail()
}
}