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: "0"},
"declaredFromConfig": testUnparsedVariableValue{source: terraform.ValueFromConfig, value: "1"},
"declaredFromNamedFile": testUnparsedVariableValue{source: terraform.ValueFromNamedFile, value: "2"},
"declaredFromCLIArg": testUnparsedVariableValue{source: terraform.ValueFromCLIArg, value: "3"},
"declaredFromEnvVar": testUnparsedVariableValue{source: terraform.ValueFromEnvVar, value: "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},
},
},
"declaredFromNamedFile": {
Name: "declaredFromNamedFile",
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},
},
},
"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["declaredFromNamedFile"] = "2"
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 string
}
func (v testUnparsedVariableValue) ParseVariableValue(mode configs.VariableParsingMode) (*terraform.InputValue, tfdiags.Diagnostics) {
return &terraform.InputValue{
Value: cty.StringVal(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
}