terraform/configs/experiments_test.go

114 lines
4.0 KiB
Go

package configs
import (
"testing"
"github.com/google/go-cmp/cmp"
"github.com/hashicorp/hcl/v2"
"github.com/hashicorp/terraform/experiments"
)
func TestExperimentsConfig(t *testing.T) {
// The experiment registrations are global, so we need to do some special
// patching in order to get a predictable set for our tests.
current := experiments.Experiment("current")
concluded := experiments.Experiment("concluded")
currentExperiments := experiments.NewSet(current)
concludedExperiments := map[experiments.Experiment]string{
concluded: "Reticulate your splines.",
}
defer experiments.OverrideForTesting(t, currentExperiments, concludedExperiments)()
t.Run("current", func(t *testing.T) {
parser := NewParser(nil)
mod, diags := parser.LoadConfigDir("testdata/experiments/current")
if got, want := len(diags), 1; got != want {
t.Fatalf("wrong number of diagnostics %d; want %d", got, want)
}
got := diags[0]
want := &hcl.Diagnostic{
Severity: hcl.DiagWarning,
Summary: `Experimental feature "current" is active`,
Detail: "Experimental features are subject to breaking changes in future minor or patch releases, based on feedback.\n\nIf you have feedback on the design of this feature, please open a GitHub issue to discuss it.",
Subject: &hcl.Range{
Filename: "testdata/experiments/current/current_experiment.tf",
Start: hcl.Pos{Line: 2, Column: 18, Byte: 29},
End: hcl.Pos{Line: 2, Column: 25, Byte: 36},
},
}
if diff := cmp.Diff(want, got); diff != "" {
t.Errorf("wrong warning\n%s", diff)
}
if got, want := len(mod.ActiveExperiments), 1; got != want {
t.Errorf("wrong number of experiments %d; want %d", got, want)
}
if !mod.ActiveExperiments.Has(current) {
t.Errorf("module does not indicate current experiment as active")
}
})
t.Run("concluded", func(t *testing.T) {
parser := NewParser(nil)
_, diags := parser.LoadConfigDir("testdata/experiments/concluded")
if got, want := len(diags), 1; got != want {
t.Fatalf("wrong number of diagnostics %d; want %d", got, want)
}
got := diags[0]
want := &hcl.Diagnostic{
Severity: hcl.DiagError,
Summary: `Experiment has concluded`,
Detail: `Experiment "concluded" is no longer available. Reticulate your splines.`,
Subject: &hcl.Range{
Filename: "testdata/experiments/concluded/concluded_experiment.tf",
Start: hcl.Pos{Line: 2, Column: 18, Byte: 29},
End: hcl.Pos{Line: 2, Column: 27, Byte: 38},
},
}
if diff := cmp.Diff(want, got); diff != "" {
t.Errorf("wrong error\n%s", diff)
}
})
t.Run("concluded", func(t *testing.T) {
parser := NewParser(nil)
_, diags := parser.LoadConfigDir("testdata/experiments/unknown")
if got, want := len(diags), 1; got != want {
t.Fatalf("wrong number of diagnostics %d; want %d", got, want)
}
got := diags[0]
want := &hcl.Diagnostic{
Severity: hcl.DiagError,
Summary: `Unknown experiment keyword`,
Detail: `There is no current experiment with the keyword "unknown".`,
Subject: &hcl.Range{
Filename: "testdata/experiments/unknown/unknown_experiment.tf",
Start: hcl.Pos{Line: 2, Column: 18, Byte: 29},
End: hcl.Pos{Line: 2, Column: 25, Byte: 36},
},
}
if diff := cmp.Diff(want, got); diff != "" {
t.Errorf("wrong error\n%s", diff)
}
})
t.Run("invalid", func(t *testing.T) {
parser := NewParser(nil)
_, diags := parser.LoadConfigDir("testdata/experiments/invalid")
if got, want := len(diags), 1; got != want {
t.Fatalf("wrong number of diagnostics %d; want %d", got, want)
}
got := diags[0]
want := &hcl.Diagnostic{
Severity: hcl.DiagError,
Summary: `Invalid expression`,
Detail: `A static list expression is required.`,
Subject: &hcl.Range{
Filename: "testdata/experiments/invalid/invalid_experiments.tf",
Start: hcl.Pos{Line: 2, Column: 17, Byte: 28},
End: hcl.Pos{Line: 2, Column: 24, Byte: 35},
},
}
if diff := cmp.Diff(want, got); diff != "" {
t.Errorf("wrong error\n%s", diff)
}
})
}