decoder: Test hover for Any

decoder/expr_any_hover_test.go

@@ -0,0 +1,91 @@
+package decoder
+
+import (
+	"context"
+	"fmt"
+	"testing"
+
+	"github.com/google/go-cmp/cmp"
+	"github.com/hashicorp/hcl-lang/lang"
+	"github.com/hashicorp/hcl-lang/schema"
+	"github.com/hashicorp/hcl/v2"
+	"github.com/hashicorp/hcl/v2/hclsyntax"
+	"github.com/zclconf/go-cty/cty"
+)
+
+func TestHoverAtPos_exprAny_functions(t *testing.T) {
+	testCases := []struct {
+		testName     string
+		attrSchema   map[string]*schema.AttributeSchema
+		cfg          string
+		pos          hcl.Pos
+		expectedData *lang.HoverData
+	}{
+		{
+			"over unknown function",
+			map[string]*schema.AttributeSchema{
+				"attr": {
+					Constraint: schema.AnyExpression{
+						OfType: cty.String,
+					},
+				},
+			},
+			`attr = unknown()
+`,
+			hcl.Pos{Line: 1, Column: 10, Byte: 9},
+			nil,
+		},
+		{
+			"over name",
+			map[string]*schema.AttributeSchema{
+				"attr": {
+					Constraint: schema.AnyExpression{
+						OfType: cty.String,
+					},
+				},
+			},
+			`attr = lower("FOO")
+`,
+			hcl.Pos{Line: 1, Column: 10, Byte: 9},
+			&lang.HoverData{
+				Content: lang.MarkupContent{
+					Value: "`lower(str string) string`\n\n`lower` converts all cased letters in the given string to lowercase.",
+					Kind:  lang.MarkdownKind,
+				},
+				Range: hcl.Range{
+					Filename: "test.tf",
+					Start:    hcl.Pos{Line: 1, Column: 8, Byte: 7},
+					End:      hcl.Pos{Line: 1, Column: 20, Byte: 19},
+				},
+			},
+		},
+	}
+
+	for i, tc := range testCases {
+		t.Run(fmt.Sprintf("%d-%s", i, tc.testName), func(t *testing.T) {
+			bodySchema := &schema.BodySchema{
+				Attributes: tc.attrSchema,
+			}
+
+			f, _ := hclsyntax.ParseConfig([]byte(tc.cfg), "test.tf", hcl.InitialPos)
+			d := testPathDecoder(t, &PathContext{
+				Schema: bodySchema,
+				Files: map[string]*hcl.File{
+					"test.tf": f,
+				},
+				Functions: testFunctionSignatures(),
+			})
+
+			ctx := context.Background()
+			data, err := d.HoverAtPos(ctx, "test.tf", tc.pos)
+			if err != nil {
+				t.Fatal(err)
+			}
+
+			if diff := cmp.Diff(tc.expectedData, data); diff != "" {
+				t.Fatalf("unexpected data: %s", diff)
+			}
+		})
+	}
+
+}