create tests/message/slack.bats (fixes #2110)

tests/message/slack.bats

@@ -0,0 +1,34 @@
+#!/usr/bin/env bats
+load ../test-helper
+
+@test "$clinom message slack apitoken" {
+  run "${clicmd}" message slack apitoken
+  assert_success
+}
+
+@test "$clinom message slack apitoken (create invalid token)" {
+  run "${clicmd}" message slack apitoken fake-token
+  assert_output --partial 'invalid token'
+}
+
+@test "$clinom message slack apitoken (no token)" {
+  run "${clicmd}" message slack apitoken
+  assert_output --partial 'api.slack.com/apps'
+}
+
+@test "$clinom message slack apitoken (create token)" {
+  run "${clicmd}" message slack apitoken xoxp-fake-token
+  assert_output --partial 'Your slack apitoken'
+}
+
+@test "$clinom message slack apitoken (overrite token)" {
+  run "${clicmd}" message slack apitoken xoxp-fake-token
+  run "${clicmd}" message slack apitoken xoxp-another-fake-token
+  assert_output --partial 'Your slack apitoken (xoxp-another-fake-token)'
+}
+
+@test "$clinom message slack apitoken (with token)" {
+  run "${clicmd}" message slack apitoken xoxp-fake-token
+  run "${clicmd}" message slack apitoken
+  assert_output --partial 'Your API access token is'
+}