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[feature] Added os.delEnv; add delEnv support to nimscript too (#11466)

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[feature] Fixes https://github.com/nim-lang/Nim/issues/11452.
This commit is contained in:
Kaushal Modi
2019-06-15 05:32:26 -04:00
committed by Andreas Rumpf
parent eadea343ef
commit 7182922622
6 changed files with 59 additions and 4 deletions
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5
tests/newconfig/tfoo.nims
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@@ -81,3 +81,8 @@ when false:
rmDir("tempXYZ")
assert dirExists("tempXYZ") == false
putEnv("dummy", "myval")
doAssert(existsEnv("dummy") == true)
delEnv("dummy")
doAssert(existsEnv("dummy") == false)

13
tests/stdlib/tos.nim
View File

@@ -342,6 +342,19 @@ block getTempDir:
let origTmpDir = getEnv("TMPDIR")
putEnv("TMPDIR", "/mytmp")
doAssert getTempDir() == "/mytmp/"
delEnv("TMPDIR")
doAssert getTempDir() == "/tmp/"
putEnv("TMPDIR", origTmpDir)
else:
doAssert getTempDir() == "/tmp/"
block osenv:
block delEnv:
const dummyEnvVar = "DUMMY_ENV_VAR" # This env var wouldn't be likely to exist to begin with
doAssert existsEnv(dummyEnvVar) == false
putEnv(dummyEnvVar, "1")
doAssert existsEnv(dummyEnvVar) == true
delEnv(dummyEnvVar)
doAssert existsEnv(dummyEnvVar) == false
delEnv(dummyEnvVar) # deleting an already deleted env var
doAssert existsEnv(dummyEnvVar) == false