/
parse_test.go
1154 lines (868 loc) · 33.4 KB
/
parse_test.go
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package hclconfig
import (
"fmt"
"os"
"path/filepath"
"sync"
"testing"
"time"
"github.com/hashicorp/hcl/v2"
"github.com/jumppad-labs/hclconfig/errors"
"github.com/jumppad-labs/hclconfig/resources"
"github.com/jumppad-labs/hclconfig/test_fixtures/embedded"
"github.com/jumppad-labs/hclconfig/test_fixtures/structs"
"github.com/jumppad-labs/hclconfig/types"
"github.com/stretchr/testify/require"
"github.com/zclconf/go-cty/cty"
)
func setupParser(t *testing.T, options ...*ParserOptions) *Parser {
os.Setenv("SHIPYARD_CONFIG", "/User/yamcha/.shipyard")
t.Cleanup(func() {
os.Unsetenv("SHIPYARD_CONFIG")
})
o := DefaultOptions()
if len(options) > 0 {
o = options[0]
}
p := NewParser(o)
p.RegisterType("container", &structs.Container{})
p.RegisterType("network", &structs.Network{})
p.RegisterType("template", &structs.Template{})
p.RegisterType(structs.TypeParseError, &structs.ParseError{})
return p
}
func TestNewParserWithOptions(t *testing.T) {
options := ParserOptions{
Variables: map[string]string{"foo": "bar"},
VariablesFiles: []string{"./myfile.txt"},
ModuleCache: "./modules",
}
p := NewParser(&options)
require.NotNil(t, p)
require.Equal(t, p.options.Variables["foo"], "bar")
require.Equal(t, p.options.VariablesFiles[0], "./myfile.txt")
require.Equal(t, p.options.ModuleCache, "./modules")
}
func TestParseFileProcessesResources(t *testing.T) {
absoluteFolderPath, err := filepath.Abs("./test_fixtures/simple/container.hcl")
if err != nil {
t.Fatal(err)
}
p := setupParser(t)
c, err := p.ParseFile(absoluteFolderPath)
require.NoError(t, err)
// check variable has been interpolated
r, err := c.FindResource("resource.container.consul")
require.NoError(t, err)
require.NotNil(t, r)
v, err := c.FindResource("variable.cpu_resources")
require.NoError(t, err)
require.NotNil(t, v)
cont := r.(*structs.Container)
require.Equal(t, "resource.container.consul", cont.Metadata().ID)
require.Equal(t, "consul", cont.Metadata().Name)
require.Equal(t, absoluteFolderPath, cont.Metadata().File)
require.Equal(t, "consul", cont.Command[0], "consul")
require.Equal(t, "10.6.0.200", cont.Networks[0].IPAddress)
require.Equal(t, 2048, cont.Resources.CPU)
r, err = c.FindResource("resource.container.base")
require.NoError(t, err)
require.NotNil(t, r)
}
func TestParseFileCallsParseFunction(t *testing.T) {
absoluteFolderPath, err := filepath.Abs("./test_fixtures/simple/container.hcl")
if err != nil {
t.Fatal(err)
}
p := setupParser(t)
c, err := p.ParseFile(absoluteFolderPath)
require.NoError(t, err)
// check variable has been interpolated
r, err := c.FindResource("resource.container.consul")
require.NoError(t, err)
require.NotNil(t, r)
cont := r.(*structs.Container)
require.Equal(t, "something", cont.Meta.Properties["status"])
}
func TestParseFileSetsLinks(t *testing.T) {
absoluteFolderPath, err := filepath.Abs("./test_fixtures/simple/container.hcl")
if err != nil {
t.Fatal(err)
}
p := setupParser(t)
c, err := p.ParseFile(absoluteFolderPath)
require.NoError(t, err)
// check variable has been interpolated
r, err := c.FindResource("resource.container.consul")
require.NoError(t, err)
require.NotNil(t, r)
// parser should replace any resource links with an empty value and return a list
// of links and the field paths where they were originally set
// this enables us to build a graph of objects and later set these fields to the correct
// reference values
cont := r.(*structs.Container)
require.Len(t, cont.Meta.Links, 9)
require.Contains(t, cont.Meta.Links, "resource.network.onprem.meta.name")
require.Contains(t, cont.Meta.Links, "resource.container.base.dns")
require.Contains(t, cont.Meta.Links, "resource.container.base.resources.cpu_pin")
require.Contains(t, cont.Meta.Links, "resource.container.base.resources.memory")
require.Contains(t, cont.Meta.Links, "resource.container.base.resources.user")
require.Contains(t, cont.Meta.Links, "resource.container.base.network[0].id")
require.Contains(t, cont.Meta.Links, "resource.container.base.network[1].name")
require.Contains(t, cont.Meta.Links, "resource.template.consul_config.destination")
require.Contains(t, cont.Meta.Links, "resource.template.consul_config.meta.name")
}
func TestParseResolvesArrayReferences(t *testing.T) {
absoluteFolderPath, err := filepath.Abs("./test_fixtures/simple/container.hcl")
if err != nil {
t.Fatal(err)
}
p := setupParser(t)
c, err := p.ParseFile(absoluteFolderPath)
require.NoError(t, err)
// check variable has been interpolated
r, err := c.FindResource("output.ip_address_1")
require.NoError(t, err)
require.NotNil(t, r)
out := r.(*resources.Output)
require.Equal(t, "10.6.0.200", out.Value)
// check variable has been interpolated
r, err = c.FindResource("output.ip_address_2")
require.NoError(t, err)
require.NotNil(t, r)
out = r.(*resources.Output)
require.Equal(t, "10.7.0.201", out.Value)
r, err = c.FindResource("output.ip_addresses")
require.NoError(t, err)
require.NotNil(t, r)
out = r.(*resources.Output)
require.Equal(t, "10.6.0.200", out.Value.([]interface{})[0].(string))
require.Equal(t, "10.7.0.201", out.Value.([]interface{})[1].(string))
require.Equal(t, float64(12), out.Value.([]interface{})[2].(float64))
}
func TestLoadsVariableFilesInOptionsOverridingVariableDefaults(t *testing.T) {
absoluteFolderPath, err := filepath.Abs("./test_fixtures/simple")
require.NoError(t, err)
o := DefaultOptions()
o.VariablesFiles = []string{filepath.Join(absoluteFolderPath, "vars", "override.vars")}
p := setupParser(t, o)
c, err := p.ParseFile(filepath.Join(absoluteFolderPath, "container.hcl"))
require.NoError(t, err)
r, err := c.FindResource("resource.container.consul")
require.NoError(t, err)
// check variable has been interpolated using the override value
cont := r.(*structs.Container)
require.Equal(t, 4096, cont.Resources.CPU)
}
func TestLoadsVariablesInEnvVarOverridingVariableDefaults(t *testing.T) {
absoluteFolderPath, err := filepath.Abs("./test_fixtures/simple")
require.NoError(t, err)
p := setupParser(t)
os.Setenv("HCL_VAR_cpu_resources", "1000")
t.Cleanup(func() {
os.Unsetenv("HCL_VAR_cpu_resources")
})
c, err := p.ParseFile(filepath.Join(absoluteFolderPath, "container.hcl"))
require.NoError(t, err)
r, err := c.FindResource("resource.container.consul")
require.NoError(t, err)
// check variable has been interpolated using the override value
cont := r.(*structs.Container)
require.Equal(t, 1000, cont.Resources.CPU)
}
func TestLoadsVariableFilesInDirectoryOverridingVariableDefaults(t *testing.T) {
absoluteFolderPath, err := filepath.Abs("./test_fixtures/simple")
require.NoError(t, err)
p := setupParser(t)
c, err := p.ParseDirectory(absoluteFolderPath)
require.NoError(t, err)
r, err := c.FindResource("resource.container.consul")
require.NoError(t, err)
// check variable has been interpolated using the override value
cont := r.(*structs.Container)
require.Equal(t, 1024, cont.Resources.CPU)
}
func TestLoadsVariablesFilesOverridingVariableDefaults(t *testing.T) {
absoluteFolderPath, err := filepath.Abs("./test_fixtures/simple")
require.NoError(t, err)
p := setupParser(t)
c, err := p.ParseDirectory(absoluteFolderPath)
require.NoError(t, err)
r, err := c.FindResource("resource.container.consul")
require.NoError(t, err)
// check variable has been interpolated using the override value
cont := r.(*structs.Container)
require.Equal(t, 1024, cont.Resources.CPU)
}
func TestResourceReferencesInExpressionsAreEvaluated(t *testing.T) {
absoluteFolderPath, err := filepath.Abs("./test_fixtures/interpolation/interpolation.hcl")
if err != nil {
t.Fatal(err)
}
p := setupParser(t)
c, err := p.ParseFile(absoluteFolderPath)
require.NoError(t, err)
//require.Len(t, c.Resources, 5)
r, err := c.FindResource("resource.container.consul")
require.NoError(t, err)
con := r.(*structs.Container)
_ = con
r, err = c.FindResource("output.splat")
require.NoError(t, err)
cont := r.(*resources.Output)
require.Equal(t, "/cache", cont.Value.([]interface{})[0])
require.Equal(t, "/cache2", cont.Value.([]interface{})[1])
r, err = c.FindResource("output.splat_with_null")
require.NoError(t, err)
cont = r.(*resources.Output)
require.Equal(t, "test1", cont.Value.([]interface{})[0])
require.Equal(t, "test2", cont.Value.([]interface{})[1])
r, err = c.FindResource("output.function")
require.NoError(t, err)
cont = r.(*resources.Output)
require.Equal(t, float64(2), cont.Value)
r, err = c.FindResource("output.binary")
require.NoError(t, err)
cont = r.(*resources.Output)
require.Equal(t, false, cont.Value)
r, err = c.FindResource("output.condition")
require.NoError(t, err)
cont = r.(*resources.Output)
require.Equal(t, "/cache", cont.Value)
r, err = c.FindResource("output.template")
require.NoError(t, err)
cont = r.(*resources.Output)
require.Equal(t, "abc/2", cont.Value)
}
func TestLocalVariablesCanEvaluateResourceAttributes(t *testing.T) {
absoluteFolderPath, err := filepath.Abs("./test_fixtures/locals/locals.hcl")
if err != nil {
t.Fatal(err)
}
p := setupParser(t)
_, err = p.ParseFile(absoluteFolderPath)
require.NoError(t, err)
//require.Len(t, c.Resources, 4)
}
func TestParseModuleCreatesResources(t *testing.T) {
absoluteFolderPath, err := filepath.Abs("./test_fixtures/modules/modules.hcl")
if err != nil {
t.Fatal(err)
}
p := setupParser(t)
c, err := p.ParseFile(absoluteFolderPath)
require.NoError(t, err)
require.Len(t, c.Resources, 35)
// check resource has been created
cont, err := c.FindResource("module.consul_1.resource.container.consul")
require.NoError(t, err)
// check interpolation value
require.Equal(t, "onprem", cont.(*structs.Container).Networks[0].Name)
// check resource has been created
cont, err = c.FindResource("module.consul_2.resource.container.consul")
require.NoError(t, err)
require.Equal(t, "onprem", cont.(*structs.Container).Networks[0].Name)
// check resource has been created
cont, err = c.FindResource("module.consul_3.resource.container.consul")
require.NoError(t, err)
// check interpolation value
require.Equal(t, "onprem", cont.(*structs.Container).Networks[0].Name)
}
func TestParseModuleCreatesOutputs(t *testing.T) {
absoluteFolderPath, err := filepath.Abs("./test_fixtures/modules/modules.hcl")
if err != nil {
t.Fatal(err)
}
p := setupParser(t)
c, err := p.ParseFile(absoluteFolderPath)
require.NoError(t, err)
require.Len(t, c.Resources, 35)
cont, err := c.FindResource("output.module1_container_resources_cpu")
require.NoError(t, err)
// check output value from module is equal to the module variable
// which is set as an interpolated value of the container base
require.Equal(t, float64(4096), cont.(*resources.Output).Value)
cont, err = c.FindResource("output.module2_container_resources_cpu")
require.NoError(t, err)
// check output value from module is equal to the module variable
// which is set as the variable for the config
require.Equal(t, float64(512), cont.(*resources.Output).Value)
cont, err = c.FindResource("output.module3_container_resources_cpu")
require.NoError(t, err)
// check the output variable is set to the default value for the module
require.Equal(t, float64(2048), cont.(*resources.Output).Value)
cont, err = c.FindResource("output.module1_from_list_1")
require.NoError(t, err)
cont2, err := c.FindResource("output.module1_from_list_2")
require.NoError(t, err)
// check an element can be obtained from a list of values
// returned from a output
require.Equal(t, float64(0), cont.(*resources.Output).Value)
require.Equal(t, float64(4096), cont2.(*resources.Output).Value)
// check an element can be obtained from a map of values
// returned from a output
cont, err = c.FindResource("output.module1_from_map_1")
require.NoError(t, err)
cont2, err = c.FindResource("output.module1_from_map_2")
require.NoError(t, err)
// check element can be obtained from a map of values
// returned in the output
require.Equal(t, "consul", cont.(*resources.Output).Value)
require.Equal(t, float64(4096), cont2.(*resources.Output).Value)
cont, err = c.FindResource("output.object")
require.NoError(t, err)
// check element can be obtained from a map of values
// returned in the output
meta := cont.(*resources.Output).Value.(map[string]interface{})["meta"].(map[string]interface{})
require.Equal(t, "base", meta["name"])
}
func TestDoesNotLoadsVariablesFilesFromInsideModules(t *testing.T) {
absoluteFolderPath, err := filepath.Abs("./test_fixtures/modules/var_files.hcl")
if err != nil {
t.Fatal(err)
}
p := setupParser(t)
c, err := p.ParseFile(absoluteFolderPath)
require.NoError(t, err)
// check variable has been interpolated
r, err := c.FindResource("module.consul_1.resource.container.consul")
require.NoError(t, err)
cont := r.(*structs.Container)
require.Equal(t, 2048, cont.Resources.CPU)
}
func TestParseContainerWithNoNameReturnsError(t *testing.T) {
absoluteFolderPath, err := filepath.Abs("./test_fixtures/invalid/no_name.hcl")
if err != nil {
t.Fatal(err)
}
p := setupParser(t)
_, err = p.ParseFile(absoluteFolderPath)
require.Error(t, err)
}
func TestParseContainerWithNoTypeReturnsError(t *testing.T) {
absoluteFolderPath, err := filepath.Abs("./test_fixtures/invalid/no_type.hcl")
if err != nil {
t.Fatal(err)
}
p := setupParser(t)
_, err = p.ParseFile(absoluteFolderPath)
require.Error(t, err)
}
func TestParseContainerWithNoTLDReturnsError(t *testing.T) {
absoluteFolderPath, err := filepath.Abs("./test_fixtures/invalid/no_resource.hcl")
if err != nil {
t.Fatal(err)
}
p := setupParser(t)
_, err = p.ParseFile(absoluteFolderPath)
require.Error(t, err)
}
func TestParseDoesNotProcessDisabledResources(t *testing.T) {
absoluteFolderPath, err := filepath.Abs("./test_fixtures/disabled/disabled.hcl")
if err != nil {
t.Fatal(err)
}
o := DefaultOptions()
calls := []string{}
callSync := sync.Mutex{}
o.Callback = func(r types.Resource) error {
callSync.Lock()
calls = append(calls, r.Metadata().ID)
callSync.Unlock()
return nil
}
p := setupParser(t, o)
c, err := p.ParseFile(absoluteFolderPath)
require.NoError(t, err)
require.Equal(t, 3, c.ResourceCount())
r, err := c.FindResource("resource.container.disabled_value")
require.NoError(t, err)
require.True(t, r.GetDisabled())
r, err = c.FindResource("resource.container.disabled_variable")
require.NoError(t, err)
require.True(t, r.GetDisabled())
// should have only be called for the variable
require.Len(t, calls, 1)
}
func TestParseDoesNotProcessDisabledResourcesWhenModuleDisabled(t *testing.T) {
absoluteFolderPath, err := filepath.Abs("./test_fixtures/disabled/module.hcl")
if err != nil {
t.Fatal(err)
}
o := DefaultOptions()
calls := []string{}
callSync := sync.Mutex{}
o.Callback = func(r types.Resource) error {
callSync.Lock()
calls = append(calls, r.Metadata().ID)
callSync.Unlock()
return nil
}
p := setupParser(t, o)
c, err := p.ParseFile(absoluteFolderPath)
require.NoError(t, err)
r, err := c.FindResource("module.disabled.resource.container.enabled")
require.NoError(t, err)
require.True(t, r.GetDisabled())
r, err = c.FindResource("module.disabled.sub.resource.container.enabled")
require.NoError(t, err)
require.True(t, r.GetDisabled())
// should only called for the containing module and variables
require.Len(t, calls, 3)
}
func TestGetNameAndIndexReturnsCorrectDetails(t *testing.T) {
path := []string{"resource", "foo", "bar"}
n, i, rp, err := getNameAndIndex(path)
require.NoError(t, err)
require.Equal(t, "resource", n)
require.Equal(t, -1, i)
require.Equal(t, []string{"foo", "bar"}, rp)
path = []string{"resource", "foo[0]", "bar"}
n, i, rp, err = getNameAndIndex(path)
require.NoError(t, err)
require.Equal(t, "resource", n)
require.Equal(t, -1, i)
require.Equal(t, []string{"foo[0]", "bar"}, rp)
path = []string{"foo[0]", "bar"}
n, i, rp, err = getNameAndIndex(path)
require.NoError(t, err)
require.Equal(t, "foo", n)
require.Equal(t, 0, i)
require.Equal(t, []string{"bar"}, rp)
path = []string{"foo[nic]", "bar"}
_, _, _, err = getNameAndIndex(path)
require.Error(t, err)
path = []string{"foo", "0", "bar"}
n, i, rp, err = getNameAndIndex(path)
require.NoError(t, err)
require.Equal(t, "foo", n)
require.Equal(t, 0, i)
require.Equal(t, []string{"bar"}, rp)
path = []string{"bar[0]"}
n, i, rp, err = getNameAndIndex(path)
require.NoError(t, err)
require.Equal(t, "bar", n)
require.Equal(t, 0, i)
require.Equal(t, []string{}, rp)
}
func TestSetContextVariableFromPath(t *testing.T) {
ctx := &hcl.EvalContext{}
ctx.Variables = map[string]cty.Value{"resource": cty.ObjectVal(map[string]cty.Value{})}
err := setContextVariableFromPath(ctx, "resource.foo.bar", cty.BoolVal(true))
require.NoError(t, err)
err = setContextVariableFromPath(ctx, "resource.foo.biz", cty.StringVal("Hello World"))
require.NoError(t, err)
err = setContextVariableFromPath(ctx, "resource.foo.bear.grr", cty.StringVal("Grrrr"))
require.NoError(t, err)
err = setContextVariableFromPath(ctx, "resource.poo", cty.StringVal("Meh"))
require.NoError(t, err)
require.True(t, ctx.Variables["resource"].AsValueMap()["foo"].AsValueMap()["bar"].True())
require.Equal(t, "Hello World", ctx.Variables["resource"].AsValueMap()["foo"].AsValueMap()["biz"].AsString())
require.Equal(t, "Grrrr", ctx.Variables["resource"].AsValueMap()["foo"].AsValueMap()["bear"].AsValueMap()["grr"].AsString())
require.Equal(t, "Meh", ctx.Variables["resource"].AsValueMap()["poo"].AsString())
}
func TestSetContextVariableFromPathWithEndingIndex(t *testing.T) {
ctx := &hcl.EvalContext{}
ctx.Variables = map[string]cty.Value{"resource": cty.ObjectVal(map[string]cty.Value{})}
err := setContextVariableFromPath(ctx, "resource.foo.bar", cty.ListVal([]cty.Value{cty.BoolVal(false), cty.BoolVal(false)}))
require.NoError(t, err)
err = setContextVariableFromPath(ctx, "resource.foo.bar[0]", cty.BoolVal(true))
require.NoError(t, err)
err = setContextVariableFromPath(ctx, "resource.foo.bar[1]", cty.BoolVal(false))
require.NoError(t, err)
require.True(t, ctx.Variables["resource"].AsValueMap()["foo"].AsValueMap()["bar"].AsValueSlice()[0].True())
require.False(t, ctx.Variables["resource"].AsValueMap()["foo"].AsValueMap()["bar"].AsValueSlice()[1].True())
}
func TestSetContextVariableFromPathWithIndex(t *testing.T) {
ctx := &hcl.EvalContext{}
ctx.Variables = map[string]cty.Value{"resource": cty.ObjectVal(map[string]cty.Value{})}
err := setContextVariableFromPath(ctx, "resource.foo[0].bar", cty.BoolVal(true))
require.NoError(t, err)
err = setContextVariableFromPath(ctx, "resource.foo.1.biz", cty.StringVal("Hello World"))
require.NoError(t, err)
fmt.Println(ctx.Variables["resource"].AsValueMap()["foo"].Type().FriendlyName())
require.True(t, ctx.Variables["resource"].AsValueMap()["foo"].AsValueSlice()[0].AsValueMap()["bar"].True())
require.Equal(t, "Hello World", ctx.Variables["resource"].AsValueMap()["foo"].AsValueSlice()[1].AsValueMap()["biz"].AsString())
}
func TestParserProcessesResourcesInCorrectOrder(t *testing.T) {
absoluteFolderPath, err := filepath.Abs("./test_fixtures/modules/modules.hcl")
if err != nil {
t.Fatal(err)
}
o := DefaultOptions()
calls := []string{}
callSync := sync.Mutex{}
o.Callback = func(r types.Resource) error {
callSync.Lock()
calls = append(calls, r.Metadata().ID)
// add a fake delay
time.Sleep(10 * time.Millisecond)
callSync.Unlock()
return nil
}
p := setupParser(t, o)
_, err = p.ParseFile(absoluteFolderPath)
require.NoError(t, err)
// check the order, should be ...
// resource.container.base
// -- module.consul_1
// -- -- module.consul_1.resource.network.onprem
// -- -- -- module.consul_1.resource.container.consul
// -- -- -- -- module.consul_1.resource.output.container_name
// -- -- -- -- module.consul_1.resource.output.container_resources_cpu
// -- -- -- -- -- resource.output.module_1_container_resources_cpu
// -- -- -- -- -- -- resource.module.consul_3
// -- -- -- -- -- -- -- module.consul_3.resource.network.onprem
// -- -- -- -- -- -- -- -- module.consul_3.resource.container.consul
// -- -- -- -- -- -- -- -- -- module.consul_3.resource.output.container_name
// -- -- -- -- -- -- -- -- -- module.consul_3.resource.output.container_resources_cpu
// -- -- -- -- -- -- -- -- -- -- resource.output.module_1_container_resources_cpu
// module.consul_2
// -- module.consul_2.resource.network.onprem
// -- -- module.consul_2.resource.container.consul
// -- -- -- module.consul_2.resource.output.container_name
// -- -- -- module.consul_2.resource.output.container_resources_cpu
// -- -- -- -- resource.output.module_2_container_resources_cpu
// module1 depends on an attribute of resource.container.base, all resources in module1 should only
// be processed after container.base has been created
requireBefore(t, "resource.container.base", "module.consul_1.resource.network.onprem", calls)
// resource.network.onprem in module.consul_2 should be created after the top level module is created
requireBefore(t, "resource.module.consul_2", "module.consul_2.resource.network.onprem", calls)
// resource.container.consul in module consul_2 depends on resource.network.onprem in module2 it should always
// be created after the network
requireBefore(t, "module.consul_2.resource.network.onprem", "module.consul_2.resource.container.consul", calls)
// the output module_1_container_resources_cpu depends on an output defined in module consul_1, it should always be created
// after all resources in module consul_1
requireBefore(t, "module.consul_1.resource.container.consul", "output.module1_container_resources_cpu", calls)
// the module should always be created before its resources
requireBefore(t, "module.consul_1", "module.consul_1.resource.container.consul", calls)
// the output module_2_container_resources_cpu depends on an output defined in module consul_2, it should always be created
// after all resources in module consul_2
requireBefore(t, "module.consul_2.resource.container.consul", "output.module2_container_resources_cpu", calls)
// the module consul_3 has a hard coded dependency on module_1, it should only be created after all
// resources in module_1 have been created
requireBefore(t, "module.consul_1.resource.container.consul", "module.consul_3.resource.container.consul", calls)
requireBefore(t, "module.consul_1.resource.cotnainer.consul", "module.consul_1.output.container_resources_cpu", calls)
}
func TestParserStopsParseOnCallbackError(t *testing.T) {
absoluteFolderPath, err := filepath.Abs("./test_fixtures/modules/modules.hcl")
if err != nil {
t.Fatal(err)
}
o := DefaultOptions()
calls := []string{}
callSync := sync.Mutex{}
o.Callback = func(r types.Resource) error {
callSync.Lock()
calls = append(calls, resources.FQRN{
Module: r.Metadata().Module,
Resource: r.Metadata().Name,
Type: r.Metadata().Type,
}.String())
callSync.Unlock()
if r.Metadata().Name == "base" {
return fmt.Errorf("container base error")
}
return nil
}
p := setupParser(t, o)
_, err = p.ParseFile(absoluteFolderPath)
require.Error(t, err)
// only 13 of the resources and variables should be created, none of the descendants of base
require.Len(t, calls, 13)
require.NotContains(t, "resource.module.consul_1", calls)
}
func TestParserDeserializesJSONCorrectly(t *testing.T) {
absoluteFolderPath, err := filepath.Abs("./test_fixtures/simple/container.hcl")
if err != nil {
t.Fatal(err)
}
p := setupParser(t)
c, err := p.ParseFile(absoluteFolderPath)
require.NoError(t, err)
json, err := c.ToJSON()
require.NoError(t, err)
conf, err := p.UnmarshalJSON(json)
require.NoError(t, err)
require.NotNil(t, conf)
orig, err := c.FindResource("resource.container.base")
require.NoError(t, err)
parsed, err := conf.FindResource("resource.container.base")
require.NoError(t, err)
require.Equal(t, orig.Metadata().File, parsed.Metadata().File)
require.Equal(t, orig.(*structs.Container).Networks[0].Name, parsed.(*structs.Container).Networks[0].Name)
require.Equal(t, orig.(*structs.Container).Command, parsed.(*structs.Container).Command)
require.Equal(t, orig.(*structs.Container).Resources.CPUPin, parsed.(*structs.Container).Resources.CPUPin)
orig, err = c.FindResource("resource.container.consul")
require.NoError(t, err)
parsed, err = conf.FindResource("resource.container.consul")
require.NoError(t, err)
require.Equal(t, orig.(*structs.Container).Volumes[0].Destination, parsed.(*structs.Container).Volumes[0].Destination)
}
func requireBefore(t *testing.T, first, second string, list []string) {
// get the positions
pos1 := -1
pos2 := -1
for i, el := range list {
if first == el {
pos1 = i
}
if second == el {
pos2 = i
}
}
require.Greater(t, pos2, pos1, fmt.Sprintf("expected %s to be created before %s. calls: %v", first, second, list))
}
func TestParserRejectsInvalidResourceName(t *testing.T) {
// should reject names starting with a number
err := validateResourceName("0")
require.Error(t, err)
// should reject names containing invalid characters
err = validateResourceName("my resource")
require.Error(t, err)
err = validateResourceName("my*resource")
require.Error(t, err)
// should reject reserved names
err = validateResourceName("variable")
require.Error(t, err)
err = validateResourceName("output")
require.Error(t, err)
err = validateResourceName("resource")
require.Error(t, err)
err = validateResourceName("module")
require.Error(t, err)
// should be valid
err = validateResourceName("0232module")
require.NoError(t, err)
err = validateResourceName("0232m_od-ule")
require.NoError(t, err)
err = validateResourceName("my_Module")
require.NoError(t, err)
}
func TestParserGeneratesChecksums(t *testing.T) {
f, pathErr := filepath.Abs("./test_fixtures/simple/container.hcl")
if pathErr != nil {
t.Fatal(pathErr)
}
p := setupParser(t)
c, err := p.ParseFile(f)
require.NoError(t, err)
r1, err := c.FindResource("resource.network.onprem")
require.NoError(t, err)
require.NotEmpty(t, r1.Metadata().Checksum.Parsed)
r2, err := c.FindResource("variable.cpu_resources")
require.NoError(t, err)
require.NotEmpty(t, r2.Metadata().Checksum.Parsed)
r3, err := c.FindResource("output.ip_address_1")
require.NoError(t, err)
require.NotEmpty(t, r3.Metadata().Checksum.Parsed)
// parse a second time, the checksums should be equal
p = setupParser(t)
c, err = p.ParseFile(f)
require.NoError(t, err)
c1, err := c.FindResource("resource.network.onprem")
require.NoError(t, err)
require.Equal(t, r1.Metadata().Checksum.Parsed, c1.Metadata().Checksum.Parsed)
c2, err := c.FindResource("variable.cpu_resources")
require.NoError(t, err)
require.Equal(t, r2.Metadata().Checksum.Parsed, c2.Metadata().Checksum.Parsed)
c3, err := c.FindResource("output.ip_address_1")
require.NoError(t, err)
require.Equal(t, r3.Metadata().Checksum.Parsed, c3.Metadata().Checksum.Parsed)
}
func TestParserCyclicalReferenceReturnsError(t *testing.T) {
f, pathErr := filepath.Abs("./test_fixtures/cyclical/fail/cyclical.hcl")
if pathErr != nil {
t.Fatal(pathErr)
}
p := setupParser(t)
_, err := p.ParseFile(f)
require.Error(t, err)
require.ErrorContains(t, err, "'resource.container.one' depends on 'resource.network.two'")
}
func TestParserNoCyclicalReferenceReturns(t *testing.T) {
f, pathErr := filepath.Abs("./test_fixtures/cyclical/pass/cyclical.hcl")
if pathErr != nil {
t.Fatal(pathErr)
}
p := setupParser(t)
_, err := p.ParseFile(f)
require.NoError(t, err)
}
func TestParseDirectoryReturnsConfigErrorWhenParseDirectoryFails(t *testing.T) {
f, pathErr := filepath.Abs("./test_fixtures/invalid")
if pathErr != nil {
t.Fatal(pathErr)
}
p := setupParser(t)
_, err := p.ParseDirectory(f)
require.IsType(t, err, &errors.ConfigError{})
ce := err.(*errors.ConfigError)
require.Len(t, ce.Errors, 1)
}
func TestParseDirectoryReturnsConfigErrorWhenResourceParseError(t *testing.T) {
f, pathErr := filepath.Abs("./test_fixtures/parse_error")
if pathErr != nil {
t.Fatal(pathErr)
}
p := setupParser(t)
_, err := p.ParseDirectory(f)
require.IsType(t, err, &errors.ConfigError{})
ce := err.(*errors.ConfigError)
require.Len(t, ce.Errors, 1)
}
func TestParseDirectoryReturnsConfigErrorWhenResourceProcessError(t *testing.T) {
f, pathErr := filepath.Abs("./test_fixtures/process_error")
if pathErr != nil {
t.Fatal(pathErr)
}
p := setupParser(t)
_, err := p.ParseDirectory(f)
require.IsType(t, err, &errors.ConfigError{})
ce := err.(*errors.ConfigError)
require.Len(t, ce.Errors, 1)
}
func TestParseFileReturnsConfigErrorWhenParseDirectoryFails(t *testing.T) {
f, pathErr := filepath.Abs("./test_fixtures/invalid/no_name.hcl")
if pathErr != nil {
t.Fatal(pathErr)
}
p := setupParser(t)
_, err := p.ParseFile(f)
require.IsType(t, err, &errors.ConfigError{})
ce := err.(*errors.ConfigError)
require.Len(t, ce.Errors, 1)
}
func TestParseFileReturnsConfigErrorWhenResourceParseError(t *testing.T) {
f, pathErr := filepath.Abs("./test_fixtures/parse_error/resource_parse.hcl")
if pathErr != nil {
t.Fatal(pathErr)
}
p := setupParser(t)
_, err := p.ParseFile(f)
require.IsType(t, err, &errors.ConfigError{})
ce := err.(*errors.ConfigError)
require.Len(t, ce.Errors, 1)
}
func TestParseFileReturnsConfigErrorWhenResourceProcessError(t *testing.T) {
f, pathErr := filepath.Abs("./test_fixtures/process_error/bad_interpolation.hcl")
if pathErr != nil {
t.Fatal(pathErr)
}