hcl/diagnostic_text_test.go

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package hcl
import (
"bytes"
"fmt"
"testing"
"github.com/zclconf/go-cty/cty"
)
func TestDiagnosticTextWriter(t *testing.T) {
tests := []struct {
Input *Diagnostic
Want string
}{
{
&Diagnostic{
Severity: DiagError,
Summary: "Splines not reticulated",
Detail: "All splines must be pre-reticulated.",
Subject: &Range{
Start: Pos{
Byte: 0,
Column: 1,
Line: 1,
},
End: Pos{
Byte: 3,
Column: 4,
Line: 1,
},
},
},
`Error: Splines not reticulated
on line 1, in hardcoded-context:
1: foo = 1
All splines must be pre-reticulated.
`,
},
{
&Diagnostic{
Severity: DiagError,
Summary: "Unsupported attribute",
Detail: `"baz" is not a supported top-level attribute. Did you mean "bam"?`,
Subject: &Range{
Start: Pos{
Byte: 16,
Column: 1,
Line: 3,
},
End: Pos{
Byte: 19,
Column: 4,
Line: 3,
},
},
},
`Error: Unsupported attribute
on line 3, in hardcoded-context:
3: baz = 3
"baz" is not a supported top-level
attribute. Did you mean "bam"?
`,
},
{
&Diagnostic{
Severity: DiagError,
Summary: "Unsupported attribute",
Detail: `"pizza" is not a supported attribute. Did you mean "pizzetta"?`,
Subject: &Range{
Start: Pos{
Byte: 42,
Column: 3,
Line: 5,
},
End: Pos{
Byte: 47,
Column: 8,
Line: 5,
},
},
// This is actually not a great example of a context, but is here to test
// whether we're able to show a multi-line context when needed.
Context: &Range{
Start: Pos{
Byte: 24,
Column: 1,
Line: 4,
},
End: Pos{
Byte: 60,
Column: 2,
Line: 6,
},
},
},
`Error: Unsupported attribute
on line 5, in hardcoded-context:
4: block "party" {
5: pizza = "cheese"
6: }
"pizza" is not a supported attribute.
Did you mean "pizzetta"?
`,
},
{
&Diagnostic{
Severity: DiagError,
Summary: "Test of including relevant variable values",
Detail: `This diagnostic includes an expression and an evalcontext.`,
Subject: &Range{
Start: Pos{
Byte: 42,
Column: 3,
Line: 5,
},
End: Pos{
Byte: 47,
Column: 8,
Line: 5,
},
},
Expression: &diagnosticTestExpr{
vars: []Traversal{
{
TraverseRoot{
Name: "foo",
},
},
{
TraverseRoot{
Name: "bar",
},
TraverseAttr{
Name: "baz",
},
},
{
TraverseRoot{
Name: "missing",
},
},
{
TraverseRoot{
Name: "boz",
},
},
},
},
EvalContext: &EvalContext{
parent: &EvalContext{
Variables: map[string]cty.Value{
"foo": cty.StringVal("foo value"),
},
},
Variables: map[string]cty.Value{
"bar": cty.ObjectVal(map[string]cty.Value{
"baz": cty.ListValEmpty(cty.String),
}),
"boz": cty.NumberIntVal(5),
"unused": cty.True,
},
},
},
`Error: Test of including relevant variable values
on line 5, in hardcoded-context:
5: pizza = "cheese"
with bar.baz as empty list of string,
boz as 5,
foo as "foo value".
This diagnostic includes an expression
and an evalcontext.
`,
},
}
files := map[string]*File{
"": &File{
Bytes: []byte(testDiagnosticTextWriterSource),
Nav: &diagnosticTestNav{},
},
}
for i, test := range tests {
t.Run(fmt.Sprintf("%02d", i), func(t *testing.T) {
bwr := &bytes.Buffer{}
dwr := NewDiagnosticTextWriter(bwr, files, 40, false)
err := dwr.WriteDiagnostic(test.Input)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
got := bwr.String()
if got != test.Want {
t.Errorf("wrong result\n\ngot:\n%swant:\n%s", got, test.Want)
}
})
}
}
const testDiagnosticTextWriterSource = `foo = 1
bar = 2
baz = 3
block "party" {
pizza = "cheese"
}
`
type diagnosticTestNav struct {
}
func (tn *diagnosticTestNav) ContextString(offset int) string {
return "hardcoded-context"
}
type diagnosticTestExpr struct {
vars []Traversal
staticExpr
}
func (e *diagnosticTestExpr) Variables() []Traversal {
return e.vars
}