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| 1 | package guards |
| 2 | |
| 3 | import ( |
| 4 | "testing" |
| 5 | ) |
| 6 | |
| 7 | // excelizeImport is the XLSX library's import path. |
| 8 | const excelizeImport = "github.com/xuri/excelize/v2" |
| 9 | |
| 10 | // excelizeHome is the package tree allowed to import it — xlsx itself |
| 11 | // and any subpackage of it. Matched as a tree, not by exact directory |
| 12 | // equality: equality would make a future xlsx subpackage look like it |
| 13 | // was outside home and wrongly forbid it from importing excelize (the |
| 14 | // over-strict direction — a false positive, not a leak — but still |
| 15 | // wrong). Confining excelize's quirks to this one tree keeps the XLSX |
| 16 | // format's weirdness from leaking into the rest of Sheets. |
| 17 | const excelizeHome = "internal/sheets/xlsx" |
| 18 | |
| 19 | // TestExcelizeConfinedToXLSXPackage fails on any excelize import outside |
| 20 | // the internal/sheets/xlsx tree. |
| 21 | func TestExcelizeConfinedToXLSXPackage(t *testing.T) { |
| 22 | root := repoRoot(t) |
| 23 | for _, path := range goFiles(t, root) { |
| 24 | rel := relPath(t, root, path) |
| 25 | if inTree(rel, excelizeHome) { |
| 26 | continue |
| 27 | } |
| 28 | for _, imp := range fileImports(t, path) { |
| 29 | if imp == excelizeImport { |
| 30 | t.Errorf("%s: imports %q, confined to %s (excelize confinement)", rel, excelizeImport, excelizeHome) |
| 31 | } |
| 32 | } |
| 33 | } |
| 34 | } |
| 35 | |
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