122 lines
3.2 KiB
Go
122 lines
3.2 KiB
Go
// Copyright (c) 2026 Probo Inc <hello@getprobo.com>.
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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// PERFORMANCE OF THIS SOFTWARE.
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package agent
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import (
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"strings"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestBuildSystemPrompt(t *testing.T) {
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t.Run(
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"empty data returns empty string",
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func(t *testing.T) {
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got := buildSystemPrompt(systemPromptData{})
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assert.Equal(t, "", got)
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},
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)
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t.Run(
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"instructions only",
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func(t *testing.T) {
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got := buildSystemPrompt(systemPromptData{
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Instructions: "You are a helpful assistant.",
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})
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assert.Equal(t, "You are a helpful assistant.", got)
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},
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)
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t.Run(
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"handoffs only",
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func(t *testing.T) {
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got := buildSystemPrompt(systemPromptData{
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Handoffs: []systemPromptHandoff{
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{Name: "billing-agent", Description: "Handles billing questions."},
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},
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})
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assert.Contains(t, got, "## Handoffs")
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assert.Contains(t, got, "- billing-agent: Handles billing questions.")
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},
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)
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t.Run(
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"instructions with handoffs",
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func(t *testing.T) {
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got := buildSystemPrompt(systemPromptData{
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Instructions: "You are a triage agent.",
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Handoffs: []systemPromptHandoff{
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{Name: "billing-agent", Description: "Handles billing."},
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{Name: "support-agent", Description: "Handles support."},
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},
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})
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assert.True(t, strings.HasPrefix(got, "You are a triage agent."))
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assert.Contains(t, got, "## Handoffs")
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assert.Contains(t, got, "- billing-agent: Handles billing.")
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assert.Contains(t, got, "- support-agent: Handles support.")
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},
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)
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t.Run(
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"handoff without description",
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func(t *testing.T) {
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got := buildSystemPrompt(systemPromptData{
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Handoffs: []systemPromptHandoff{
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{Name: "silent-agent"},
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},
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})
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assert.Contains(t, got, "- silent-agent\n")
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assert.NotContains(t, got, "- silent-agent:")
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},
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)
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t.Run(
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"multiple handoffs preserve order",
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func(t *testing.T) {
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got := buildSystemPrompt(systemPromptData{
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Handoffs: []systemPromptHandoff{
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{Name: "alpha"},
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{Name: "beta"},
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{Name: "gamma"},
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},
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})
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idxAlpha := strings.Index(got, "- alpha")
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idxBeta := strings.Index(got, "- beta")
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idxGamma := strings.Index(got, "- gamma")
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assert.Greater(t, idxBeta, idxAlpha)
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assert.Greater(t, idxGamma, idxBeta)
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},
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)
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t.Run(
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"no trailing newline after last handoff",
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func(t *testing.T) {
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got := buildSystemPrompt(systemPromptData{
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Handoffs: []systemPromptHandoff{
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{Name: "agent-a", Description: "Does A."},
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},
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})
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assert.False(t, strings.HasSuffix(got, "\n\n"), "should not end with double newline")
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},
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)
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}
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