Add basic unit testing

tests/id_rsa

@@ -0,0 +1,27 @@
+-----BEGIN RSA PRIVATE KEY-----
+MIIEpAIBAAKCAQEAxww0MPWvZohlgxFyxvZjEezrld7n5pIJuYbZ7bmZ8UcNbFH8
+kpoHmmOWQ7x8ObhDLpcWEv8ifoS8RYLI97VMCJcEc/ckcq82ZvoAROF4bG/jYXWj
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+QlpzxZk2m5i1TpyfRsxuqt3migcrUSJsCmMwkFylDNKYQVS4HRZAXZndq3o51ZF5
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+X391kZk9mXwucy8D0eM8lE/suWmdFK4vdtP+y62q4AFru0HslSCAnA==
+-----END RSA PRIVATE KEY-----

tests/id_rsa.pub

@@ -0,0 +1 @@
+ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDHDDQw9a9miGWDEXLG9mMR7OuV3ufmkgm5htntuZnxRw1sUfySmgeaY5ZDvHw5uEMulxYS/yJ+hLxFgsj3tUwIlwRz9yRyrzZm+gBE4Xhsb+NhdaMQdFnMSn3cUw8UHO8FmRd4FLiSx32x+pF83JnNR67+3fzSg2wKmvz5OdoQSELn4TpRuOt4fQI+22QPRpGOuzN6vWGQazY/LzRVlKeJ1kasVE1p/GKCNwtE2nhkk3B4VzuZy4sh8Fqklcgka6PZcDGu3zqkFCgRJ9oRODSbcNaXhnXDrBlnbpaciJU4d2JdyPdTS11nAKLE+KEfnJhjLLp8TXWQzD2xB2HH7gEd atmoz@arch-book

tests/run

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+#!/bin/bash
+# See: https://github.com/djui/bashunit
+
+scriptDir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+buildDir="$scriptDir/.."
+tmpDir="/tmp/atmoz_sftp_test"
+
+build=${1:-"build"}
+sftpImageName="atmoz/sftp_test"
+sftpContainerName="atmoz_sftp_test"
+
+function beforeTest() {
+    if [ "$build" == "build" ]; then
+        docker build --pull=true --tag "$sftpImageName" "$buildDir"
+    fi
+
+    rm -rf "$tmpDir" # clean state
+    mkdir "$tmpDir"
+
+    docker run \
+        -v "$scriptDir/id_rsa.pub":/home/test/.ssh/keys/id_rsa.pub:ro \
+        -v "$tmpDir":/home/test/share \
+        --name "$sftpContainerName" \
+        --expose 22 \
+        -d "$sftpImageName" \
+        test:123:$(id -u):$(id -g) \
+        > /dev/null
+    sleep 1 # wait for sftp server to get ready
+}
+
+function afterTest() {
+    docker rm -fv "$sftpContainerName" > /dev/null
+    rm -rf "$tmpDir"
+}
+
+function getSftpIp() {
+    docker inspect -f {{.NetworkSettings.IPAddress}} "$sftpContainerName"
+}
+
+function runSftpCommands() {
+    ip="$(getSftpIp)"
+    echo "$@" | sftp \
+        -i "$scriptDir/id_rsa" \
+        -oStrictHostKeyChecking=no \
+        -oUserKnownHostsFile=/dev/null \
+        -b - test@$ip \
+        > /dev/null 2>&1
+}
+
+function testContainerIsRunning() {
+    ps="$(docker ps -q -f name="$sftpContainerName")"
+    assertNotEqual "$ps" ""
+}
+
+function testLoginUsingSshKey() {
+    runSftpCommands "exit"
+    assertReturn $? 0
+}
+
+function testWritePermission() {
+    runSftpCommands $'cd share\nmkdir test'
+    test -d "$tmpDir/test"
+    assertReturn $? 0
+}
+
+# Run tests
+source "$scriptDir/bashunit.bash"
+# Nothing happens after this