Add test for init command with a specified stack file path

Author: erikd

test/cli/init-specific/data/init-specific.cabal

@@ -0,0 +1,32 @@
+name:                init-specific
+version:             0.0.0
+synopsis:            A test project for jenga
+
+description:         The simplest possible combination of a cabal file and a
+                     stack.yaml file. The stack file specifies the stack
+                     resolver version and nothing more.
+
+license:             MIT
+license-file:        LICENSE
+author:              Erik de Castro Lopo
+maintainer:          [email protected]
+category:            Test
+build-type:          Simple
+cabal-version:       >= 1.10
+
+library
+  ghc-options:         -Wall -fwarn-tabs
+  default-language:    Haskell2010
+  hs-source-dirs:      src
+
+  exposed-modules:     Test.Jenga.Init.Simple
+
+  build-depends:       base
+                     , binary
+                     , bytestring
+                     , containers
+                     , directory
+                     , exceptions
+                     , extra
+                     , filepath
+                     , time

test/cli/init-specific/data/stack-specific.yaml

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+resolver: lts-11.13
+
+extra-deps: []
+
+packages:
+ - '.'

test/cli/init-specific/data/stack.yaml

@@ -0,0 +1 @@
+This is not a valid stack.yaml file and should be ignored.

test/cli/init-specific/expected/init-specific.lock-8.2.2

@@ -0,0 +1,10 @@
+# mafia-lock-file-version: 0
+base == 4.10.1.0
+binary == 0.8.5.1
+bytestring == 0.10.8.2
+containers == 0.5.10.2
+directory == 1.3.0.2
+exceptions == 0.8.3
+extra == 1.6.8
+filepath == 1.4.1.2
+time == 1.8.0.2

test/cli/init-specific/expected/jenga.yaml

@@ -0,0 +1,6 @@
+{
+    "submodule-dir": "lib",
+    "mafia-lock": true,
+    "submodules": [],
+    "drop-deps": []
+}

test/cli/init-specific/run

@@ -0,0 +1,47 @@
+#!/bin/sh -eu
+
+# Create a repo using a known stack-specific.yaml file.
+# Run `jenga init` to initialize the submodule ('wide-word`).
+# Check that the local '.jenga' file is as expected.
+# Check that the mafia lock file is as expected.
+# Also make sure that cabal files in the 'dist-newstyle' and '.cabal-sandbox'
+# are ignored.
+
+. $(dirname $0)/../core/runner
+
+testname="init-specific"
+
+banner "${testname}"
+#----------
+
+INPUT_DIR=$(dirname $0)/data
+OUTPUT_DIR=${TEST}
+EXPECTED_DIR=$(dirname $0)/expected
+
+mkdir -p ${OUTPUT_DIR}
+
+cp -f ${INPUT_DIR}/* ${OUTPUT_DIR}/
+
+# Add some invalid cabal files to make sure they are ignored.
+mkdir ${OUTPUT_DIR}/dist-newstyle ${OUTPUT_DIR}/.cabal-sandbox/
+echo "Invalid cabal file" > ${OUTPUT_DIR}/dist-newstyle/invalid.cabal
+echo "Invalid cabal file" > ${OUTPUT_DIR}/.cabal-sandbox/invalid.cabal
+
+(cd ${OUTPUT_DIR} && \
+  git init && \
+  git add stack-specific.yaml ${testname}.cabal && \
+  git commit -m "Initial commit" -- . && \
+  ${JENGA} init --stack-file stack-specific.yaml)
+
+assert_file_exists ${OUTPUT_DIR}/${testname}.lock-8.2.2
+assert_file_exists ${OUTPUT_DIR}/.jenga
+
+error=0
+compare_files ${OUTPUT_DIR}/${testname}.lock-8.2.2 ${EXPECTED_DIR}/${testname}.lock-8.2.2
+compare_files ${OUTPUT_DIR}/.jenga ${EXPECTED_DIR}/jenga.yaml
+
+if test "${error}" = "0"; then
+	pass_test
+else
+	fail_test
+fi