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api: Nvim version, API level #5386

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The API level is disconnected from the NVIM version. The API metadata
holds the current API level, and the lowest backwards-compatible level
supported by this instance.

Release 0.1.6 will be the first release reporting the Nvim version and
API level.

    metadata['version'] = {
      major: 0,
      minor: 1,
      patch: 6,
      prerelease: true,
      api_level: 1,
      api_compatible: 0,
    }

The API level may remain unchanged across Neovim releases if the API has
not changed.

When changing the API the CMake variable NVIM_API_PRERELEASE is set to
true, and  NVIM_API_CURRENT/NVIM_API_COMPATIBILITY are incremented
accordingly.

The functional tests check the API table against fixtures of past
versions of Neovim. It compares all the functions in the old table with
the new one, it does ignore some metadata attributes that do not alter
the function signature or were removed since 0.1.5.  Currently the only
fixture is 0.mpack, generated from Neovim 0.1.5 with nvim --api-info.
This commit is contained in:
Rui Abreu Ferreira
2016-09-25 18:46:37 +01:00
committed by Justin M. Keyes
parent 90bf31c742
commit f25797f869
10 changed files with 96 additions and 3 deletions
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3
test/functional/eval/api_functions_spec.lua
View File

@@ -106,7 +106,7 @@ describe('api functions', function()
it('have metadata accessible with api_info()', function()
local api_keys = eval("sort(keys(api_info()))")
eq({'error_types', 'functions', 'types'}, api_keys)
eq({'api_level', 'error_types', 'functions', 'types'}, api_keys)
end)
it('are highlighted by vim.vim syntax file', function()
@@ -144,5 +144,4 @@ describe('api functions', function()
]])
screen:detach()
end)
end)