terraform/internal/cloud/cloud_variables_test.go

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package cloud
import (
"testing"
"github.com/google/go-cmp/cmp"
"github.com/hashicorp/hcl/v2"
"github.com/hashicorp/terraform/internal/backend"
"github.com/hashicorp/terraform/internal/configs"
"github.com/hashicorp/terraform/internal/terraform"
"github.com/hashicorp/terraform/internal/tfdiags"
"github.com/zclconf/go-cty/cty"
)
func TestParseCloudRunVariables(t *testing.T) {
t.Run("populates variables from allowed sources", func(t *testing.T) {
vv := map[string]backend.UnparsedVariableValue{
"undeclared": testUnparsedVariableValue{source: terraform.ValueFromCLIArg, value: cty.StringVal("0")},
"declaredFromConfig": testUnparsedVariableValue{source: terraform.ValueFromConfig, value: cty.StringVal("1")},
"declaredFromNamedFileMapString": testUnparsedVariableValue{source: terraform.ValueFromNamedFile, value: cty.MapVal(map[string]cty.Value{"foo": cty.StringVal("bar")})},
"declaredFromNamedFileBool": testUnparsedVariableValue{source: terraform.ValueFromNamedFile, value: cty.BoolVal(true)},
"declaredFromNamedFileNumber": testUnparsedVariableValue{source: terraform.ValueFromNamedFile, value: cty.NumberIntVal(2)},
"declaredFromNamedFileListString": testUnparsedVariableValue{source: terraform.ValueFromNamedFile, value: cty.ListVal([]cty.Value{cty.StringVal("2a"), cty.StringVal("2b")})},
"declaredFromNamedFileNull": testUnparsedVariableValue{source: terraform.ValueFromNamedFile, value: cty.NullVal(cty.String)},
"declaredFromNamedMapComplex": testUnparsedVariableValue{source: terraform.ValueFromNamedFile, value: cty.MapVal(map[string]cty.Value{"foo": cty.ObjectVal(map[string]cty.Value{"qux": cty.ListVal([]cty.Value{cty.BoolVal(true), cty.BoolVal(false)})})})},
"declaredFromCLIArg": testUnparsedVariableValue{source: terraform.ValueFromCLIArg, value: cty.StringVal("3")},
"declaredFromEnvVar": testUnparsedVariableValue{source: terraform.ValueFromEnvVar, value: cty.StringVal("4")},
}
decls := map[string]*configs.Variable{
"declaredFromConfig": {
Name: "declaredFromConfig",
Type: cty.String,
ConstraintType: cty.String,
ParsingMode: configs.VariableParseLiteral,
DeclRange: hcl.Range{
Filename: "fake.tf",
Start: hcl.Pos{Line: 2, Column: 1, Byte: 0},
End: hcl.Pos{Line: 2, Column: 1, Byte: 0},
},
},
"declaredFromNamedFileMapString": {
Name: "declaredFromNamedFileMapString",
Type: cty.Map(cty.String),
ConstraintType: cty.Map(cty.String),
ParsingMode: configs.VariableParseHCL,
DeclRange: hcl.Range{
Filename: "fake.tf",
Start: hcl.Pos{Line: 2, Column: 1, Byte: 0},
End: hcl.Pos{Line: 2, Column: 1, Byte: 0},
},
},
"declaredFromNamedFileBool": {
Name: "declaredFromNamedFileBool",
Type: cty.Bool,
ConstraintType: cty.Bool,
ParsingMode: configs.VariableParseLiteral,
DeclRange: hcl.Range{
Filename: "fake.tf",
Start: hcl.Pos{Line: 2, Column: 1, Byte: 0},
End: hcl.Pos{Line: 2, Column: 1, Byte: 0},
},
},
"declaredFromNamedFileNumber": {
Name: "declaredFromNamedFileNumber",
Type: cty.Number,
ConstraintType: cty.Number,
ParsingMode: configs.VariableParseLiteral,
DeclRange: hcl.Range{
Filename: "fake.tf",
Start: hcl.Pos{Line: 2, Column: 1, Byte: 0},
End: hcl.Pos{Line: 2, Column: 1, Byte: 0},
},
},
"declaredFromNamedFileListString": {
Name: "declaredFromNamedFileListString",
Type: cty.List(cty.String),
ConstraintType: cty.List(cty.String),
ParsingMode: configs.VariableParseHCL,
DeclRange: hcl.Range{
Filename: "fake.tf",
Start: hcl.Pos{Line: 2, Column: 1, Byte: 0},
End: hcl.Pos{Line: 2, Column: 1, Byte: 0},
},
},
"declaredFromNamedFileNull": {
Name: "declaredFromNamedFileNull",
Type: cty.String,
ConstraintType: cty.String,
ParsingMode: configs.VariableParseHCL,
DeclRange: hcl.Range{
Filename: "fake.tf",
Start: hcl.Pos{Line: 2, Column: 1, Byte: 0},
End: hcl.Pos{Line: 2, Column: 1, Byte: 0},
},
},
"declaredFromNamedMapComplex": {
Name: "declaredFromNamedMapComplex",
Type: cty.DynamicPseudoType,
ConstraintType: cty.DynamicPseudoType,
ParsingMode: configs.VariableParseHCL,
DeclRange: hcl.Range{
Filename: "fake.tf",
Start: hcl.Pos{Line: 2, Column: 1, Byte: 0},
End: hcl.Pos{Line: 2, Column: 1, Byte: 0},
},
},
"declaredFromCLIArg": {
Name: "declaredFromCLIArg",
Type: cty.String,
ConstraintType: cty.String,
ParsingMode: configs.VariableParseLiteral,
DeclRange: hcl.Range{
Filename: "fake.tf",
Start: hcl.Pos{Line: 2, Column: 1, Byte: 0},
End: hcl.Pos{Line: 2, Column: 1, Byte: 0},
},
},
"declaredFromEnvVar": {
Name: "declaredFromEnvVar",
Type: cty.String,
ConstraintType: cty.String,
ParsingMode: configs.VariableParseLiteral,
DeclRange: hcl.Range{
Filename: "fake.tf",
Start: hcl.Pos{Line: 2, Column: 1, Byte: 0},
End: hcl.Pos{Line: 2, Column: 1, Byte: 0},
},
},
"missing": {
Name: "missing",
Type: cty.String,
ConstraintType: cty.String,
Default: cty.StringVal("2"),
ParsingMode: configs.VariableParseLiteral,
DeclRange: hcl.Range{
Filename: "fake.tf",
Start: hcl.Pos{Line: 2, Column: 1, Byte: 0},
End: hcl.Pos{Line: 2, Column: 1, Byte: 0},
},
},
}
wantVals := make(map[string]string)
wantVals["declaredFromNamedFileBool"] = "true"
wantVals["declaredFromNamedFileNumber"] = "2"
wantVals["declaredFromNamedFileListString"] = `["2a", "2b"]`
wantVals["declaredFromNamedFileNull"] = "null"
wantVals["declaredFromNamedFileMapString"] = "{\n foo = \"bar\"\n}"
wantVals["declaredFromNamedMapComplex"] = "{\n foo = {\n qux = [true, false]\n }\n}"
wantVals["declaredFromCLIArg"] = `"3"`
wantVals["declaredFromEnvVar"] = `"4"`
gotVals, diags := ParseCloudRunVariables(vv, decls)
if diff := cmp.Diff(wantVals, gotVals, cmp.Comparer(cty.Value.RawEquals)); diff != "" {
t.Errorf("wrong result\n%s", diff)
}
if got, want := len(diags), 1; got != want {
t.Fatalf("expected 1 variable error: %v, got %v", diags.Err(), want)
}
if got, want := diags[0].Description().Summary, "Value for undeclared variable"; got != want {
t.Errorf("wrong summary for diagnostic 0\ngot: %s\nwant: %s", got, want)
}
})
}
type testUnparsedVariableValue struct {
source terraform.ValueSourceType
value cty.Value
}
func (v testUnparsedVariableValue) ParseVariableValue(mode configs.VariableParsingMode) (*terraform.InputValue, tfdiags.Diagnostics) {
return &terraform.InputValue{
Value: v.value,
SourceType: v.source,
SourceRange: tfdiags.SourceRange{
Filename: "fake.tfvars",
Start: tfdiags.SourcePos{Line: 1, Column: 1, Byte: 0},
End: tfdiags.SourcePos{Line: 1, Column: 1, Byte: 0},
},
}, nil
}