mirror of
https://github.com/hashicorp/terraform.git
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d24fdce5b8
Previously when printing the relevant variables involved in a failed expression evaluation we would just skip over unknown values entirely. There are some errors, though, which are _caused by_ a value being unknown, in which case it's helpful to show which of the inputs to that expression were known vs. unknown so that the user can limit their further investigation only to the unknown ones. While here I also added a special case for sensitive values that overrides all other display, because we don't know what about a value is sensitive and so better to give nothing away at the expense of a slightly less helpful error message.
414 lines
11 KiB
Go
414 lines
11 KiB
Go
package format
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import (
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"strings"
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"testing"
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"github.com/google/go-cmp/cmp"
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"github.com/hashicorp/hcl/v2"
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"github.com/hashicorp/hcl/v2/hcltest"
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"github.com/mitchellh/colorstring"
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"github.com/zclconf/go-cty/cty"
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"github.com/hashicorp/terraform/tfdiags"
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)
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func TestDiagnostic(t *testing.T) {
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tests := map[string]struct {
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Diag interface{}
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Want string
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}{
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"sourceless error": {
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tfdiags.Sourceless(
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tfdiags.Error,
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"A sourceless error",
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"It has no source references but it does have a pretty long detail that should wrap over multiple lines.",
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),
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`
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[bold][red]Error: [reset][bold]A sourceless error[reset]
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It has no source references but it does
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have a pretty long detail that should
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wrap over multiple lines.
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`,
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},
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"sourceless warning": {
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tfdiags.Sourceless(
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tfdiags.Warning,
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"A sourceless warning",
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"It has no source references but it does have a pretty long detail that should wrap over multiple lines.",
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),
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`
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[bold][yellow]Warning: [reset][bold]A sourceless warning[reset]
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It has no source references but it does
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have a pretty long detail that should
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wrap over multiple lines.
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`,
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},
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"error with source code subject": {
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&hcl.Diagnostic{
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Severity: hcl.DiagError,
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Summary: "Bad bad bad",
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Detail: "Whatever shall we do?",
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Subject: &hcl.Range{
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Filename: "test.tf",
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Start: hcl.Pos{Line: 1, Column: 6, Byte: 5},
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End: hcl.Pos{Line: 1, Column: 12, Byte: 11},
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},
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},
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`
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[bold][red]Error: [reset][bold]Bad bad bad[reset]
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on test.tf line 1:
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1: test [underline]source[reset] code
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Whatever shall we do?
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`,
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},
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"error with source code subject and known expression": {
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&hcl.Diagnostic{
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Severity: hcl.DiagError,
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Summary: "Bad bad bad",
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Detail: "Whatever shall we do?",
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Subject: &hcl.Range{
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Filename: "test.tf",
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Start: hcl.Pos{Line: 1, Column: 6, Byte: 5},
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End: hcl.Pos{Line: 1, Column: 12, Byte: 11},
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},
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Expression: hcltest.MockExprTraversal(hcl.Traversal{
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hcl.TraverseRoot{Name: "boop"},
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hcl.TraverseAttr{Name: "beep"},
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}),
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EvalContext: &hcl.EvalContext{
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Variables: map[string]cty.Value{
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"boop": cty.ObjectVal(map[string]cty.Value{
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"beep": cty.StringVal("blah"),
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}),
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},
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},
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},
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`
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[bold][red]Error: [reset][bold]Bad bad bad[reset]
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on test.tf line 1:
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1: test [underline]source[reset] code
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[dark_gray]|----------------[reset]
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[dark_gray]|[reset] [bold]boop.beep[reset] is "blah"
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Whatever shall we do?
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`,
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},
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"error with source code subject and expression referring to sensitive value": {
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&hcl.Diagnostic{
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Severity: hcl.DiagError,
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Summary: "Bad bad bad",
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Detail: "Whatever shall we do?",
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Subject: &hcl.Range{
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Filename: "test.tf",
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Start: hcl.Pos{Line: 1, Column: 6, Byte: 5},
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End: hcl.Pos{Line: 1, Column: 12, Byte: 11},
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},
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Expression: hcltest.MockExprTraversal(hcl.Traversal{
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hcl.TraverseRoot{Name: "boop"},
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hcl.TraverseAttr{Name: "beep"},
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}),
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EvalContext: &hcl.EvalContext{
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Variables: map[string]cty.Value{
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"boop": cty.ObjectVal(map[string]cty.Value{
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"beep": cty.StringVal("blah").Mark("sensitive"),
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}),
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},
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},
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},
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`
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[bold][red]Error: [reset][bold]Bad bad bad[reset]
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on test.tf line 1:
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1: test [underline]source[reset] code
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[dark_gray]|----------------[reset]
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[dark_gray]|[reset] [bold]boop.beep[reset] has a sensitive value
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Whatever shall we do?
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`,
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},
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"error with source code subject and unknown string expression": {
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&hcl.Diagnostic{
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Severity: hcl.DiagError,
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Summary: "Bad bad bad",
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Detail: "Whatever shall we do?",
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Subject: &hcl.Range{
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Filename: "test.tf",
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Start: hcl.Pos{Line: 1, Column: 6, Byte: 5},
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End: hcl.Pos{Line: 1, Column: 12, Byte: 11},
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},
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Expression: hcltest.MockExprTraversal(hcl.Traversal{
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hcl.TraverseRoot{Name: "boop"},
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hcl.TraverseAttr{Name: "beep"},
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}),
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EvalContext: &hcl.EvalContext{
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Variables: map[string]cty.Value{
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"boop": cty.ObjectVal(map[string]cty.Value{
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"beep": cty.UnknownVal(cty.String),
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}),
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},
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},
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},
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`
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[bold][red]Error: [reset][bold]Bad bad bad[reset]
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on test.tf line 1:
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1: test [underline]source[reset] code
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[dark_gray]|----------------[reset]
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[dark_gray]|[reset] [bold]boop.beep[reset] is a string, known only after apply
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Whatever shall we do?
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`,
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},
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"error with source code subject and unknown expression of unknown type": {
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&hcl.Diagnostic{
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Severity: hcl.DiagError,
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Summary: "Bad bad bad",
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Detail: "Whatever shall we do?",
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Subject: &hcl.Range{
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Filename: "test.tf",
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Start: hcl.Pos{Line: 1, Column: 6, Byte: 5},
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End: hcl.Pos{Line: 1, Column: 12, Byte: 11},
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},
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Expression: hcltest.MockExprTraversal(hcl.Traversal{
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hcl.TraverseRoot{Name: "boop"},
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hcl.TraverseAttr{Name: "beep"},
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}),
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EvalContext: &hcl.EvalContext{
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Variables: map[string]cty.Value{
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"boop": cty.ObjectVal(map[string]cty.Value{
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"beep": cty.UnknownVal(cty.DynamicPseudoType),
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}),
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},
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},
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},
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`
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[bold][red]Error: [reset][bold]Bad bad bad[reset]
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on test.tf line 1:
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1: test [underline]source[reset] code
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[dark_gray]|----------------[reset]
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[dark_gray]|[reset] [bold]boop.beep[reset] will be known only after apply
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Whatever shall we do?
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`,
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},
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}
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sources := map[string][]byte{
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"test.tf": []byte(`test source code`),
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}
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// This empty Colorize just passes through all of the formatting codes
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// untouched, because it doesn't define any formatting keywords.
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colorize := &colorstring.Colorize{}
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for name, test := range tests {
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t.Run(name, func(t *testing.T) {
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var diags tfdiags.Diagnostics
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diags = diags.Append(test.Diag) // to normalize it into a tfdiag.Diagnostic
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diag := diags[0]
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got := strings.TrimSpace(Diagnostic(diag, sources, colorize, 40))
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want := strings.TrimSpace(test.Want)
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if got != want {
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t.Errorf("wrong result\ngot:\n%s\n\nwant:\n%s\n\n", got, want)
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}
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})
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}
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}
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func TestDiagnosticWarningsCompact(t *testing.T) {
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var diags tfdiags.Diagnostics
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diags = diags.Append(tfdiags.SimpleWarning("foo"))
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diags = diags.Append(tfdiags.SimpleWarning("foo"))
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diags = diags.Append(tfdiags.SimpleWarning("bar"))
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diags = diags.Append(&hcl.Diagnostic{
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Severity: hcl.DiagWarning,
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Summary: "source foo",
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Detail: "...",
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Subject: &hcl.Range{
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Filename: "source.tf",
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Start: hcl.Pos{Line: 2, Column: 1, Byte: 5},
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End: hcl.Pos{Line: 2, Column: 1, Byte: 5},
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},
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})
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diags = diags.Append(&hcl.Diagnostic{
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Severity: hcl.DiagWarning,
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Summary: "source foo",
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Detail: "...",
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Subject: &hcl.Range{
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Filename: "source.tf",
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Start: hcl.Pos{Line: 3, Column: 1, Byte: 7},
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End: hcl.Pos{Line: 3, Column: 1, Byte: 7},
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},
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})
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diags = diags.Append(&hcl.Diagnostic{
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Severity: hcl.DiagWarning,
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Summary: "source bar",
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Detail: "...",
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Subject: &hcl.Range{
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Filename: "source2.tf",
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Start: hcl.Pos{Line: 1, Column: 1, Byte: 1},
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End: hcl.Pos{Line: 1, Column: 1, Byte: 1},
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},
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})
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// ConsolidateWarnings groups together the ones
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// that have source location information and that
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// have the same summary text.
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diags = diags.ConsolidateWarnings(1)
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// A zero-value Colorize just passes all the formatting
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// codes back to us, so we can test them literally.
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got := DiagnosticWarningsCompact(diags, &colorstring.Colorize{})
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want := `[bold][yellow]Warnings:[reset]
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- foo
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- foo
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- bar
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- source foo
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on source.tf line 2 (and 1 more)
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- source bar
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on source2.tf line 1
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`
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if got != want {
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t.Errorf(
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"wrong result\ngot:\n%s\n\nwant:\n%s\n\ndiff:\n%s",
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got, want, cmp.Diff(want, got),
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)
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}
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}
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// Test case via https://github.com/hashicorp/terraform/issues/21359
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func TestDiagnostic_nonOverlappingHighlightContext(t *testing.T) {
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var diags tfdiags.Diagnostics
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diags = diags.Append(&hcl.Diagnostic{
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Severity: hcl.DiagError,
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Summary: "Some error",
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Detail: "...",
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Subject: &hcl.Range{
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Filename: "source.tf",
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Start: hcl.Pos{Line: 1, Column: 5, Byte: 5},
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End: hcl.Pos{Line: 1, Column: 5, Byte: 5},
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},
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Context: &hcl.Range{
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Filename: "source.tf",
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Start: hcl.Pos{Line: 1, Column: 5, Byte: 5},
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End: hcl.Pos{Line: 4, Column: 2, Byte: 60},
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},
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})
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sources := map[string][]byte{
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"source.tf": []byte(`x = somefunc("testing", {
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alpha = "foo"
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beta = "bar"
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})
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`),
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}
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color := &colorstring.Colorize{
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Colors: colorstring.DefaultColors,
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Reset: true,
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Disable: true,
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}
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expected := `
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Error: Some error
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on source.tf line 1:
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1: x = somefunc("testing", {
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2: alpha = "foo"
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3: beta = "bar"
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4: })
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...
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`
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output := Diagnostic(diags[0], sources, color, 80)
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if output != expected {
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t.Fatalf("unexpected output: got:\n%s\nwant\n%s\n", output, expected)
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}
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}
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func TestDiagnostic_emptyOverlapHighlightContext(t *testing.T) {
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var diags tfdiags.Diagnostics
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diags = diags.Append(&hcl.Diagnostic{
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Severity: hcl.DiagError,
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Summary: "Some error",
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Detail: "...",
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Subject: &hcl.Range{
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Filename: "source.tf",
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Start: hcl.Pos{Line: 3, Column: 10, Byte: 38},
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End: hcl.Pos{Line: 4, Column: 1, Byte: 39},
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},
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Context: &hcl.Range{
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Filename: "source.tf",
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Start: hcl.Pos{Line: 2, Column: 13, Byte: 27},
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End: hcl.Pos{Line: 4, Column: 1, Byte: 39},
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},
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})
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sources := map[string][]byte{
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"source.tf": []byte(`variable "x" {
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default = {
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"foo"
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}
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`),
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}
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color := &colorstring.Colorize{
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Colors: colorstring.DefaultColors,
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Reset: true,
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Disable: true,
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}
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expected := `
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Error: Some error
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on source.tf line 3, in variable "x":
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2: default = {
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3: "foo"
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4: }
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...
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`
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output := Diagnostic(diags[0], sources, color, 80)
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if output != expected {
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t.Fatalf("unexpected output: got:\n%s\nwant\n%s\n", output, expected)
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}
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}
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func TestDiagnostic_wrapDetailIncludingCommand(t *testing.T) {
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var diags tfdiags.Diagnostics
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diags = diags.Append(&hcl.Diagnostic{
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Severity: hcl.DiagError,
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Summary: "Everything went wrong",
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Detail: "This is a very long sentence about whatever went wrong which is supposed to wrap onto multiple lines. Thank-you very much for listening.\n\nTo fix this, run this very long command:\n terraform read-my-mind -please -thanks -but-do-not-wrap-this-line-because-it-is-prefixed-with-spaces\n\nHere is a coda which is also long enough to wrap and so it should eventually make it onto multiple lines. THE END",
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})
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color := &colorstring.Colorize{
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Colors: colorstring.DefaultColors,
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Reset: true,
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Disable: true,
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}
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expected := `
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Error: Everything went wrong
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This is a very long sentence about whatever went wrong which is supposed to
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wrap onto multiple lines. Thank-you very much for listening.
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To fix this, run this very long command:
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terraform read-my-mind -please -thanks -but-do-not-wrap-this-line-because-it-is-prefixed-with-spaces
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Here is a coda which is also long enough to wrap and so it should eventually
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make it onto multiple lines. THE END
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`
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output := Diagnostic(diags[0], nil, color, 76)
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if output != expected {
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t.Fatalf("unexpected output: got:\n%s\nwant\n%s\n", output, expected)
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}
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}
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