chore(test): replace unit-style specs with e2e integration tests#498

s1n7ax

Summary

Removes the old specs (lsp/capabilities/jdtls_extensions) that only verified LSP attach against an empty buffer
Adds tests/specs/integration_spec.lua: launches real Neovim + JDTLS against a Maven fixture project (tests/fixtures/demo, copied to a temp dir at runtime so root markers resolve to the fixture instead of this repo) and exercises plugin features end-to-end: jdtls/spring-boot attach, extension bundling, project import, dap config registration, diagnostics publish/clear, built-in runner (run/toggle logs/stop), test runner (class/method/all), report viewer, profile UI and runtime switching
Test infra fixes: absolute rtp paths in test-config.lua (specs :cd away from repo root), explicit plugin/java.lua sourcing (plenary child runs --noplugin), 10 min plenary timeout, fail-fast: false + job timeout in CI

Built-in runner tests are skipped on Windows (runner joins classpath with :, which is broken on Windows — pre-existing issue, out of scope here).

Closes #497

Test plan

make tests green locally (14/14)
CI green on ubuntu/macos/windows × stable/nightly

s1n7ax mentioned this pull request Jun 12, 2026

Replace unit-style specs with end-to-end integration tests #497

Closed

fix(pkgm): downloads and extractions fail on Windows when 'shell' is … …

e6f5a2d

…pwsh vim.fn.system() with a command string is parsed by &shell; nvim nightly on Windows defaults &shell to pwsh, breaking cmd.exe-style quoting. Pass argv lists so no shell is involved.

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chore(test): replace unit-style specs with e2e integration tests#498