1 files changed, 71 insertions, 0 deletions
diff --git a/test/dotnet/dotnet_helpers.sh b/test/dotnet/dotnet_helpers.sh
new file mode 100644
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+++ b/test/dotnet/dotnet_helpers.sh
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+#!/bin/bash
+
+# Prints the latest dotnet version in the specified channel
+# Usage: fetch_latest_version_in_channel <channel> [<runtime>]
+# Example: fetch_latest_version_in_channel "LTS"
+# Example: fetch_latest_version_in_channel "6.0" "dotnet"
+# Example: fetch_latest_version_in_channel "6.0" "aspnetcore"
+fetch_latest_version_in_channel() {
+    local channel="$1"
+    local runtime="$2"
+    if [ "$runtime" = "dotnet" ]; then
+        wget -qO- "https://dotnetcli.azureedge.net/dotnet/Runtime/$channel/latest.version"
+    elif [ "$runtime" = "aspnetcore" ]; then
+        wget -qO- "https://dotnetcli.azureedge.net/dotnet/aspnetcore/Runtime/$channel/latest.version"
+    else
+        wget -qO- "https://dotnetcli.azureedge.net/dotnet/Sdk/$channel/latest.version"
+    fi
+    
+}
+
+# Prints the latest dotnet version
+# Usage: fetch_latest_version [<runtime>]
+# Example: fetch_latest_version
+# Example: fetch_latest_version "dotnet"
+# Example: fetch_latest_version "aspnetcore"
+fetch_latest_version() {
+    local runtime="$1"
+    local sts_version
+    local lts_version
+    sts_version=$(fetch_latest_version_in_channel "STS" "$runtime")
+    lts_version=$(fetch_latest_version_in_channel "LTS" "$runtime")
+    if [[ "$sts_version" > "$lts_version" ]]; then
+        echo "$sts_version"
+    else
+        echo "$lts_version"
+    fi
+}
+
+# Asserts that the specified .NET SDK version is installed
+# Returns a non-zero exit code if the check fails
+# Usage: is_dotnet_sdk_version_installed <version>
+# Example: is_dotnet_sdk_version_installed "6.0"
+# Example: is_dotnet_sdk_version_installed "6.0.412"
+is_dotnet_sdk_version_installed() {
+    local expected="$1"
+    dotnet --list-sdks | grep --fixed-strings --silent "$expected"
+    return $?
+}
+
+
+# Asserts that the specified .NET Runtime version is installed
+# Returns a non-zero exit code if the check fails
+# Usage: is_dotnet_runtime_version_installed <version>
+# Example: is_dotnet_runtime_version_installed "6.0"
+# Example: is_dotnet_runtime_version_installed "6.0.412"
+is_dotnet_runtime_version_installed() {
+    local expected="$1"
+    dotnet --list-runtimes | grep --fixed-strings --silent "Microsoft.NETCore.App $expected"
+    return $?
+}
+
+# Asserts that the specified ASP.NET Core Runtime version is installed
+# Returns a non-zero exit code if the check fails
+# Usage: is_aspnetcore_runtime_version_installed <version>
+# Example: is_aspnetcore_runtime_version_installed "6.0"
+# Example: is_aspnetcore_runtime_version_installed "6.0.412"
+is_aspnetcore_runtime_version_installed() {
+    local expected="$1"
+    dotnet --list-runtimes | grep --fixed-strings --silent "Microsoft.AspNetCore.App $expected"
+    return $?
+}
+\ No newline at end of file