62 lines
1.5 KiB
Go
62 lines
1.5 KiB
Go
package configs
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import (
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"strings"
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"testing"
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"github.com/hashicorp/hcl/v2"
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"github.com/hashicorp/hcl/v2/hclsyntax"
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)
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func TestWarnForDeprecatedInterpolationsInExpr(t *testing.T) {
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tests := []struct {
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Expr string
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WantSubstr string
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}{
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{
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`"${foo}"`,
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"leaving just the inner expression",
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},
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{
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`{"${foo}" = 1}`,
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// Special message for object key expressions, because just
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// removing the interpolation markers would change the meaning
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// in that context.
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"opening and closing parentheses respectively",
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},
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{
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`{upper("${foo}") = 1}`,
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// But no special message if the template is just descended from an
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// object key, because the special interpretation applies only to
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// a naked reference in te object key position.
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"leaving just the inner expression",
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},
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}
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for _, test := range tests {
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t.Run(test.Expr, func(t *testing.T) {
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expr, diags := hclsyntax.ParseExpression([]byte(test.Expr), "", hcl.InitialPos)
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if diags.HasErrors() {
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t.Fatalf("parse error: %s", diags.Error())
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}
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diags = warnForDeprecatedInterpolationsInExpr(expr)
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if !diagWarningsContainSubstring(diags, test.WantSubstr) {
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t.Errorf("wrong warning message\nwant detail substring: %s\ngot: %s", test.WantSubstr, diags.Error())
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}
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})
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}
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}
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func diagWarningsContainSubstring(diags hcl.Diagnostics, want string) bool {
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for _, diag := range diags {
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if diag.Severity != hcl.DiagWarning {
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continue
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}
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if strings.Contains(diag.Detail, want) {
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return true
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}
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}
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return false
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}
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