add sprig template to table content provider (#147)

internal/builtin/content_list.go

@@ -97,7 +97,7 @@ func renderListContent(format string, tmpl *template.Template, datactx plugin.Ma
 	var buf bytes.Buffer
 	for i, item := range items {
 		tmpbuf := bytes.Buffer{}
-		err := tmpl.Execute(&tmpbuf, item)
+		err := tmpl.Execute(&tmpbuf, item.Any())
 		if err != nil {
 			return "", err
 		}

internal/builtin/content_list_test.go

@@ -147,7 +147,7 @@ func (s *ListGeneratorTestSuite) TestBasic() {
 
 func (s *ListGeneratorTestSuite) TestAdvanced() {
 	args := cty.ObjectVal(map[string]cty.Value{
-		"item_template": cty.StringVal("foo {{.bar}} {{.baz}}"),
+		"item_template": cty.StringVal("foo {{.bar}} {{.baz | upper}}"),
 		"format":        cty.NullVal(cty.String),
 	})
 	ctx := context.Background()
@@ -166,7 +166,7 @@ func (s *ListGeneratorTestSuite) TestAdvanced() {
 			},
 		},
 	})
-	s.Equal("* foo bar1 baz1\n* foo bar2 baz2\n", result.Content.Print())
+	s.Equal("* foo bar1 BAZ1\n* foo bar2 BAZ2\n", result.Content.Print())
 	s.Empty(diags)
 }
 

internal/builtin/content_table.go

@@ -7,6 +7,7 @@ import (
 	"strings"
 	"text/template"
 
+	"github.com/Masterminds/sprig/v3"
 	"github.com/hashicorp/hcl/v2"
 	"github.com/hashicorp/hcl/v2/hcldec"
 	"github.com/zclconf/go-cty/cty"
@@ -78,11 +79,11 @@ func parseTableContentArgs(params *plugin.ProvideContentParams) (headers, values
 			return nil, nil, fmt.Errorf("missing value in table cell")
 		}
 
-		headerTmpl, err := template.New("header").Parse(header.AsString())
+		headerTmpl, err := template.New("header").Funcs(sprig.FuncMap()).Parse(header.AsString())
 		if err != nil {
 			return nil, nil, fmt.Errorf("failed to parse header template: %w", err)
 		}
-		valueTmpl, err := template.New("value").Parse(value.AsString())
+		valueTmpl, err := template.New("value").Funcs(sprig.FuncMap()).Parse(value.AsString())
 		if err != nil {
 			return nil, nil, fmt.Errorf("failed to parse value template: %w", err)
 		}
@@ -97,7 +98,7 @@ func renderTableContent(headers, values []tableCellTmpl, datactx plugin.MapData)
 	vstr := [][]string{}
 	for i, header := range headers {
 		var buf bytes.Buffer
-		err := header.Execute(&buf, datactx)
+		err := header.Execute(&buf, datactx.Any())
 		if err != nil {
 			return "", fmt.Errorf("failed to render header: %w", err)
 		}
@@ -117,7 +118,7 @@ func renderTableContent(headers, values []tableCellTmpl, datactx plugin.MapData)
 			rowstr := make([]string, len(values))
 			for i, value := range values {
 				var buf bytes.Buffer
-				err := value.Execute(&buf, row)
+				err := value.Execute(&buf, row.Any())
 				if err != nil {
 					return "", fmt.Errorf("failed to render value: %w", err)
 				}

internal/builtin/content_table_test.go

@@ -115,6 +115,40 @@ func (s *TableGeneratorTestSuite) TestBasic() {
 	s.Nil(diags)
 }
 
+func (s *TableGeneratorTestSuite) TestSprigTemplate() {
+	args := cty.ObjectVal(map[string]cty.Value{
+		"columns": cty.ListVal([]cty.Value{
+			cty.ObjectVal(map[string]cty.Value{
+				"header": cty.StringVal("{{.col_prefix | upper}} Name"),
+				"value":  cty.StringVal("{{.name | upper}}"),
+			}),
+			cty.ObjectVal(map[string]cty.Value{
+				"header": cty.StringVal("{{.col_prefix}} Age"),
+				"value":  cty.StringVal("{{.age}}"),
+			}),
+		}),
+	})
+	ctx := context.Background()
+	result, diags := s.schema.ContentFunc(ctx, &plugin.ProvideContentParams{
+		Args: args,
+		DataContext: plugin.MapData{
+			"col_prefix": plugin.StringData("User"),
+			"query_result": plugin.ListData{
+				plugin.MapData{
+					"name": plugin.StringData("John"),
+					"age":  plugin.NumberData(42),
+				},
+				plugin.MapData{
+					"name": plugin.StringData("Jane"),
+					"age":  plugin.NumberData(43),
+				},
+			},
+		},
+	})
+	s.Equal("|USER Name|User Age|\n|---|---|\n|JOHN|42|\n|JANE|43|\n", result.Content.Print())
+	s.Nil(diags)
+}
+
 func (s *TableGeneratorTestSuite) TestMissingHeader() {
 	args := cty.ObjectVal(map[string]cty.Value{
 		"columns": cty.ListVal([]cty.Value{