terraform/backend/unparsed_value_test.go

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package backend
import (
"strings"
"testing"
"github.com/google/go-cmp/cmp"
"github.com/hashicorp/hcl/v2"
"github.com/zclconf/go-cty/cty"
"github.com/hashicorp/terraform/configs"
"github.com/hashicorp/terraform/terraform"
"github.com/hashicorp/terraform/tfdiags"
)
func TestParseVariableValuesUndeclared(t *testing.T) {
vv := map[string]UnparsedVariableValue{
"undeclared0": testUnparsedVariableValue("0"),
"undeclared1": testUnparsedVariableValue("1"),
"undeclared2": testUnparsedVariableValue("2"),
"undeclared3": testUnparsedVariableValue("3"),
"undeclared4": testUnparsedVariableValue("4"),
"declared1": testUnparsedVariableValue("5"),
}
decls := map[string]*configs.Variable{
"declared1": {
Name: "declared1",
Type: 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},
},
},
"missing1": {
Name: "missing1",
Type: cty.String,
ParsingMode: configs.VariableParseLiteral,
DeclRange: hcl.Range{
Filename: "fake.tf",
Start: hcl.Pos{Line: 3, Column: 1, Byte: 0},
End: hcl.Pos{Line: 3, Column: 1, Byte: 0},
},
},
"missing2": {
Name: "missing1",
Type: cty.String,
ParsingMode: configs.VariableParseLiteral,
Default: cty.StringVal("default for missing2"),
DeclRange: hcl.Range{
Filename: "fake.tf",
Start: hcl.Pos{Line: 4, Column: 1, Byte: 0},
End: hcl.Pos{Line: 4, Column: 1, Byte: 0},
},
},
}
gotVals, diags := ParseVariableValues(vv, decls)
for _, diag := range diags {
t.Logf("%s: %s", diag.Description().Summary, diag.Description().Detail)
}
if got, want := len(diags), 4; got != want {
t.Fatalf("wrong number of diagnostics %d; want %d", got, want)
}
const undeclSingular = `Value for undeclared variable`
const undeclPlural = `Values for undeclared variables`
const missingRequired = `No value for required variable`
if got, want := diags[0].Description().Summary, undeclSingular; got != want {
t.Errorf("wrong summary for diagnostic 0\ngot: %s\nwant: %s", got, want)
}
if got, want := diags[1].Description().Summary, undeclSingular; got != want {
t.Errorf("wrong summary for diagnostic 1\ngot: %s\nwant: %s", got, want)
}
if got, want := diags[2].Description().Summary, undeclPlural; got != want {
t.Errorf("wrong summary for diagnostic 2\ngot: %s\nwant: %s", got, want)
}
if got, want := diags[2].Description().Detail, "3 other variable(s)"; !strings.Contains(got, want) {
t.Errorf("wrong detail for diagnostic 2\ngot: %s\nmust contain: %s", got, want)
}
if got, want := diags[3].Description().Summary, missingRequired; got != want {
t.Errorf("wrong summary for diagnostic 3\ngot: %s\nwant: %s", got, want)
}
wantVals := terraform.InputValues{
"declared1": {
Value: cty.StringVal("5"),
SourceType: terraform.ValueFromNamedFile,
SourceRange: tfdiags.SourceRange{
Filename: "fake.tfvars",
Start: tfdiags.SourcePos{Line: 1, Column: 1, Byte: 0},
End: tfdiags.SourcePos{Line: 1, Column: 1, Byte: 0},
},
},
"missing1": {
Value: cty.DynamicVal,
SourceType: terraform.ValueFromConfig,
SourceRange: tfdiags.SourceRange{
Filename: "fake.tf",
Start: tfdiags.SourcePos{Line: 3, Column: 1, Byte: 0},
End: tfdiags.SourcePos{Line: 3, Column: 1, Byte: 0},
},
},
"missing2": {
Value: cty.StringVal("default for missing2"),
SourceType: terraform.ValueFromConfig,
SourceRange: tfdiags.SourceRange{
Filename: "fake.tf",
Start: tfdiags.SourcePos{Line: 4, Column: 1, Byte: 0},
End: tfdiags.SourcePos{Line: 4, Column: 1, Byte: 0},
},
},
}
if diff := cmp.Diff(wantVals, gotVals, cmp.Comparer(cty.Value.RawEquals)); diff != "" {
t.Errorf("wrong result\n%s", diff)
}
}
type testUnparsedVariableValue string
func (v testUnparsedVariableValue) ParseVariableValue(mode configs.VariableParsingMode) (*terraform.InputValue, tfdiags.Diagnostics) {
return &terraform.InputValue{
Value: cty.StringVal(string(v)),
SourceType: terraform.ValueFromNamedFile,
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
}